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-rw-r--r--lib/dialyzer/src/dialyzer_analysis_callgraph.erl9
-rw-r--r--lib/dialyzer/src/dialyzer_cl.erl2
-rw-r--r--lib/dialyzer/src/dialyzer_typesig.erl57
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/bs_constraints.erl32
4 files changed, 73 insertions, 27 deletions
diff --git a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
index ca6b403ac9..affb89385e 100644
--- a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
+++ b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl
@@ -255,10 +255,13 @@ compile_and_store(Files, #analysis_state{codeserver = CServer,
CServer2 = dialyzer_codeserver:set_next_core_label(NextLabel, CServer),
case Failed =:= [] of
true ->
- NewFiles = lists:zip(lists:reverse(Modules), Files),
ModDict =
- lists:foldl(fun({Mod, F}, Dict) -> dict:append(Mod, F, Dict) end,
- dict:new(), NewFiles),
+ lists:foldl(fun(F, Dict) ->
+ ModFile = lists:last(filename:split(F)),
+ Mod = filename:basename(ModFile, ".beam"),
+ dict:append(Mod, F, Dict)
+ end,
+ dict:new(), Files),
check_for_duplicate_modules(ModDict);
false ->
Msg = io_lib:format("Could not scan the following file(s):~n~s",
diff --git a/lib/dialyzer/src/dialyzer_cl.erl b/lib/dialyzer/src/dialyzer_cl.erl
index 2456585bd0..365c0b36d4 100644
--- a/lib/dialyzer/src/dialyzer_cl.erl
+++ b/lib/dialyzer/src/dialyzer_cl.erl
@@ -509,7 +509,7 @@ hipe_compile(Files, #options{erlang_mode = ErlangMode} = Options) ->
dialyzer_codeserver, dialyzer_contracts,
dialyzer_coordinator, dialyzer_dataflow, dialyzer_dep,
dialyzer_plt, dialyzer_succ_typings, dialyzer_typesig,
- dialyzer_typesig, dialyzer_worker],
+ dialyzer_worker],
report_native_comp(Options),
{T1, _} = statistics(wall_clock),
native_compile(Mods),
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl
index 17a292a7d6..a418a11e65 100644
--- a/lib/dialyzer/src/dialyzer_typesig.erl
+++ b/lib/dialyzer/src/dialyzer_typesig.erl
@@ -246,18 +246,27 @@ traverse(Tree, DefinedVars, State) ->
Val = cerl:bitstr_val(Tree),
{State1, [SizeType, ValType]} =
traverse_list([Size, Val], DefinedVars, State),
- {State2, TypeConstr} =
+ {State2, TypeConstr, BinValTypeConstr} =
case cerl:bitstr_bitsize(Tree) of
- all -> {State1, t_bitstr(UnitVal, 0)};
- utf -> {State1, t_binary()}; % contains an integer number of bytes
- N when is_integer(N) -> {State1, t_bitstr(0, N)};
+ all ->
+ T = t_bitstr(UnitVal, 0),
+ {State1, T, T};
+ utf ->
+ %% contains an integer number of bytes
+ T = t_binary(),
+ {State1, T, T};
+ N when is_integer(N) ->
+ {State1, t_bitstr(0, N), t_bitstr(1, N)};
any -> % Size is not a literal
+ T1 = ?mk_fun_var(bitstr_constr(SizeType, UnitVal), [SizeType]),
+ T2 =
+ ?mk_fun_var(bitstr_constr(SizeType, UnitVal, match), [SizeType]),
{state__store_conj(SizeType, sub, t_non_neg_integer(), State1),
- ?mk_fun_var(bitstr_constr(SizeType, UnitVal), [SizeType])}
+ T1, T2}
end,
ValTypeConstr =
case cerl:concrete(cerl:bitstr_type(Tree)) of
- binary -> TypeConstr;
+ binary -> BinValTypeConstr;
float ->
case state__is_in_match(State1) of
true -> t_float();
@@ -947,12 +956,20 @@ get_type_test({erlang, is_tuple, 1}) -> {ok, t_tuple()};
get_type_test({M, F, A}) when is_atom(M), is_atom(F), is_integer(A) -> error.
bitstr_constr(SizeType, UnitVal) ->
+ bitstr_constr(SizeType, UnitVal, construct).
+
+bitstr_constr(SizeType, UnitVal, ConstructOrMatch) ->
+ Unit =
+ case ConstructOrMatch of
+ construct -> 0;
+ match -> 1
+ end,
fun(Map) ->
TmpSizeType = lookup_type(SizeType, Map),
case t_is_subtype(TmpSizeType, t_non_neg_integer()) of
true ->
case t_number_vals(TmpSizeType) of
- [OneSize] -> t_bitstr(0, OneSize * UnitVal);
+ [OneSize] -> t_bitstr(Unit, OneSize * UnitVal);
_ ->
MinSize = erl_types:number_min(TmpSizeType),
t_bitstr(UnitVal, MinSize * UnitVal)
@@ -1770,8 +1787,9 @@ minimize_state(#state{
opaques = Opaques,
solvers = Solvers
}) ->
- ETSCMap = ets:new(cmap,[{read_concurrency, true}]),
- ETSPropTypes = ets:new(prop_types,[{read_concurrency, true}]),
+ Opts = [{read_concurrency, true}],
+ ETSCMap = ets:new(cmap, Opts),
+ ETSPropTypes = ets:new(prop_types, Opts),
true = ets:insert(ETSCMap, dict:to_list(CMap)),
true = ets:insert(ETSPropTypes, dict:to_list(PropTypes)),
#state
@@ -2111,11 +2129,11 @@ restore_local_map(#v2_state{constr_data = ConData}, Id, Map0) ->
{ok, failed} -> Map0;
{ok, {[],_}} -> Map0;
{ok, {Part0,U}} ->
- Part = [{K,V} || {K,V} <- Part0, not lists:member(K, U)],
+ Part = [KV || {K,_V} = KV <- Part0, not lists:member(K, U)],
?debug("restore local map Id=~w U=~w\n", [Id, U]),
pp_map("Part", dict:from_list(Part)),
pp_map("Map0", Map0),
- Map = lists:foldl(fun({K,V}, D) -> dict:store(K, V, D)end, Map0, Part),
+ Map = lists:foldl(fun({K,V}, D) -> dict:store(K, V, D) end, Map0, Part),
pp_map("Map", Map),
Map
end.
@@ -3374,16 +3392,6 @@ pp_constraints([#constraint{}=C], Level, MaxDepth, _State) ->
pp_constraints([#constraint{}=C|Tail], Level, MaxDepth, State) ->
pp_op(C, Level),
pp_constraints(Tail, Level, MaxDepth, State);
-pp_constraints([#constraint_list{type = Type, list = List, id = Id}],
- Level, MaxDepth, State) ->
- pp_indent(Level),
- case Type of
- conj -> io:format("Conj ~w (", [Id]);
- disj -> io:format("Disj ~w (", [Id])
- end,
- NewMaxDepth = pp_constraints(List, Level + 1, MaxDepth, State),
- io:format(")", []),
- NewMaxDepth;
pp_constraints([#constraint_list{type = Type, list = List, id = Id}|Tail],
Level, MaxDepth, State) ->
pp_indent(Level),
@@ -3392,8 +3400,11 @@ pp_constraints([#constraint_list{type = Type, list = List, id = Id}|Tail],
disj -> io:format("Disj ~w (", [Id])
end,
NewMaxDepth = pp_constraints(List, Level+1, MaxDepth, State),
- io:format(")", []),
- pp_constraints(Tail, Level, NewMaxDepth, State).
+ io:format(")"),
+ case Tail =:= [] of
+ true -> NewMaxDepth + 1;
+ false -> pp_constraints(Tail, Level, NewMaxDepth, State)
+ end.
pp_op(#constraint{lhs = Lhs, op = Op, rhs = Rhs}, Level) ->
pp_indent(Level),
diff --git a/lib/dialyzer/test/small_SUITE_data/src/bs_constraints.erl b/lib/dialyzer/test/small_SUITE_data/src/bs_constraints.erl
new file mode 100644
index 0000000000..08dfb0808d
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/bs_constraints.erl
@@ -0,0 +1,32 @@
+%% Program which shows that the handling of binaries was not correct.
+%% The success typing inferred was:
+%% -spec bits1(<<_:3>>) -> <<_:3>>.
+%% while it should be:
+%% -spec bits1(<<_:3,_:_*1>>) -> <<_:3>>.
+%% because the only constraint which exists for the head variable is
+%% that it must be a bitstring of bit size at least 3, not a bitstring
+%% of bit size 3.
+-module(bs_constraints).
+
+-export([bits1/1, bits2/1, bits3/1, bins/1, test/0]).
+
+bits1(B) ->
+ <<B:3/bits>>.
+
+bits2(B) ->
+ <<B:4/bits>>.
+
+bits3(B) ->
+ {bits1(B), bits2(B)}.
+
+%% Same problem with the one below. The success typing should be:
+%% -spec bins(<<_:16,_:_*1>>) -> <<_:16>>.
+bins(B) ->
+ <<B:2/binary>>.
+
+%% Same problem, when unit size is a variable:
+test() ->
+ foo(8, 0, <<42>>).
+
+foo(N, S, A) ->
+ <<A:S/binary-unit:1, A:(N-S)/binary-unit:1>>.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-08 10:44:20 +0000