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-rw-r--r--lib/compiler/src/v3_core.erl51
-rw-r--r--lib/dialyzer/doc/src/dialyzer.xml7
-rw-r--r--lib/dialyzer/src/dialyzer_dataflow.erl250
-rw-r--r--lib/dialyzer/src/dialyzer_races.erl8
-rw-r--r--lib/dialyzer/src/dialyzer_typesig.erl22
-rw-r--r--lib/dialyzer/src/dialyzer_utils.erl2
-rw-r--r--lib/dialyzer/test/opaque_SUITE_data/results/simple19
-rw-r--r--lib/dialyzer/test/opaque_SUITE_data/results/timer2
-rw-r--r--lib/dialyzer/test/opaque_SUITE_data/src/simple/rec_api.erl60
-rw-r--r--lib/dialyzer/test/opaque_SUITE_data/src/simple/simple1_api.erl4
-rw-r--r--lib/dialyzer/test/options1_SUITE_data/results/compiler4
-rw-r--r--lib/dialyzer/test/r9c_SUITE_data/results/asn12
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/confusing_record_warning3
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/literals14
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/my_sofs4
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/record_pat2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/record_test2
-rw-r--r--lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning3
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/fun2ms.erl21
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/literals.erl33
-rw-r--r--lib/dialyzer/test/small_SUITE_data/src/relevant_record_warning.erl (renamed from lib/dialyzer/test/small_SUITE_data/src/confusing_record_warning.erl)6
-rw-r--r--lib/hipe/cerl/erl_types.erl61
-rw-r--r--lib/stdlib/src/erl_expand_records.erl26
23 files changed, 377 insertions, 229 deletions
diff --git a/lib/compiler/src/v3_core.erl b/lib/compiler/src/v3_core.erl
index 8c18f6a9f7..83cf76f241 100644
--- a/lib/compiler/src/v3_core.erl
+++ b/lib/compiler/src/v3_core.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2013. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -82,6 +82,8 @@
-include("core_parse.hrl").
+-define(REC_OFFSET, 100000000). % Also in erl_expand_records.
+
%% Internal core expressions and help functions.
%% N.B. annotations fields in place as normal Core expressions.
@@ -501,7 +503,7 @@ expr({cons,L,H0,T0}, St0) ->
{H1,Hps,St1} = safe(H0, St0),
{T1,Tps,St2} = safe(T0, St1),
A = lineno_anno(L, St2),
- {ann_c_cons(A, H1, T1),Hps ++ Tps,St2};
+ {annotate_cons(A, H1, T1, St2),Hps ++ Tps,St2};
expr({lc,L,E,Qs0}, St0) ->
{Qs1,St1} = preprocess_quals(L, Qs0, St0),
lc_tq(L, E, Qs1, #c_literal{anno=lineno_anno(L, St1),val=[]}, St1);
@@ -509,8 +511,8 @@ expr({bc,L,E,Qs}, St) ->
bc_tq(L, E, Qs, {nil,L}, St);
expr({tuple,L,Es0}, St0) ->
{Es1,Eps,St1} = safe_list(Es0, St0),
- A = lineno_anno(L, St1),
- {ann_c_tuple(A, Es1),Eps,St1};
+ A = record_anno(L, St1),
+ {annotate_tuple(A, Es1, St1),Eps,St1};
expr({map,L,Es0}, St0) ->
% erl_lint should make sure only #{ K => V } are allowed
% in map construction.
@@ -1557,9 +1559,9 @@ pattern({atom,L,A}, St) -> #c_literal{anno=lineno_anno(L, St),val=A};
pattern({string,L,S}, St) -> #c_literal{anno=lineno_anno(L, St),val=S};
pattern({nil,L}, St) -> #c_literal{anno=lineno_anno(L, St),val=[]};
pattern({cons,L,H,T}, St) ->
- ann_c_cons(lineno_anno(L, St), pattern(H, St), pattern(T, St));
+ annotate_cons(lineno_anno(L, St), pattern(H, St), pattern(T, St), St);
pattern({tuple,L,Ps}, St) ->
- ann_c_tuple(lineno_anno(L, St), pattern_list(Ps, St));
+ annotate_tuple(record_anno(L, St), pattern_list(Ps, St), St);
pattern({map,L,Ps}, St) ->
#c_map{anno=lineno_anno(L, St), es=pattern_map_pairs(Ps, St)};
pattern({bin,L,Ps}, St) ->
@@ -1721,6 +1723,26 @@ fail_clause(Pats, Anno, Arg) ->
body=[#iprimop{anno=#a{anno=Anno},name=#c_literal{val=match_fail},
args=[Arg]}]}.
+annotate_tuple(A, Es, St) ->
+ case member(dialyzer, St#core.opts) of
+ true ->
+ %% Do not coalesce constant tuple elements. A Hack.
+ Node = cerl:ann_c_tuple(A, [cerl:c_var(any)]),
+ cerl:update_c_tuple_skel(Node, Es);
+ false ->
+ ann_c_tuple(A, Es)
+ end.
+
+annotate_cons(A, H, T, St) ->
+ case member(dialyzer, St#core.opts) of
+ true ->
+ %% Do not coalesce constant conses. A Hack.
+ Node= cerl:ann_c_cons(A, cerl:c_var(any), cerl:c_var(any)),
+ cerl:update_c_cons_skel(Node, H, T);
+ false ->
+ ann_c_cons(A, H, T)
+ end.
+
ubody(B, St) -> uexpr(B, [], St).
%% uclauses([Lclause], [KnownVar], State) -> {[Lclause],State}.
@@ -2238,6 +2260,23 @@ bitstr_vars(Segs, Vs) ->
lit_vars(V, lit_vars(S, Vs0))
end, Vs, Segs).
+record_anno(L, St) when L >= ?REC_OFFSET ->
+ case member(dialyzer, St#core.opts) of
+ true ->
+ [record | lineno_anno(L - ?REC_OFFSET, St)];
+ false ->
+ lineno_anno(L, St)
+ end;
+record_anno(L, St) when L < -?REC_OFFSET ->
+ case member(dialyzer, St#core.opts) of
+ true ->
+ [record | lineno_anno(L + ?REC_OFFSET, St)];
+ false ->
+ lineno_anno(L, St)
+ end;
+record_anno(L, St) ->
+ lineno_anno(L, St).
+
lineno_anno(L, St) ->
{line, Line} = erl_parse:get_attribute(L, line),
if
diff --git a/lib/dialyzer/doc/src/dialyzer.xml b/lib/dialyzer/doc/src/dialyzer.xml
index 3de60b2f7a..4e26a9e95e 100644
--- a/lib/dialyzer/doc/src/dialyzer.xml
+++ b/lib/dialyzer/doc/src/dialyzer.xml
@@ -139,12 +139,7 @@
<tag><c><![CDATA[-Wwarn]]></c></tag>
<item>A family of options which selectively turn on/off warnings
(for help on the names of warnings use
- <c><![CDATA[dialyzer -Whelp]]></c>).
- Note that the options can also be given in the file with a
- <c>-dialyzer({nowarn_tag, WarningTags})</c> attribute.
- See <seealso
- marker="doc/reference_manual:typespec#suppression">Erlang Reference
- Manual</seealso> for details.</item>
+ <c><![CDATA[dialyzer -Whelp]]></c>).</item>
<tag><c><![CDATA[--shell]]></c></tag>
<item>Do not disable the Erlang shell while running the GUI.</item>
<tag><c><![CDATA[--version]]></c> (or <c><![CDATA[-v]]></c>)</tag>
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl
index e0873b17f8..92aab68ad6 100644
--- a/lib/dialyzer/src/dialyzer_dataflow.erl
+++ b/lib/dialyzer/src/dialyzer_dataflow.erl
@@ -53,7 +53,7 @@
t_bitstr/0, t_bitstr/2, t_bitstr_concat/1, t_bitstr_match/2,
t_cons/0, t_cons/2, t_cons_hd/2, t_cons_tl/2,
t_contains_opaque/2,
- t_find_opaque_mismatch/2, t_float/0, t_from_range/2, t_from_term/1,
+ t_find_opaque_mismatch/3, t_float/0, t_from_range/2, t_from_term/1,
t_fun/0, t_fun/2, t_fun_args/1, t_fun_args/2, t_fun_range/1,
t_fun_range/2, t_integer/0, t_integers/1,
t_is_any/1, t_is_atom/1, t_is_atom/2, t_is_any_atom/3,
@@ -136,11 +136,10 @@
get_warnings(Tree, Plt, Callgraph, Records, NoWarnUnused) ->
State1 = analyze_module(Tree, Plt, Callgraph, Records, true),
- State2 = find_mismatched_record_patterns(Tree, State1),
- State3 =
- state__renew_warnings(state__get_warnings(State2, NoWarnUnused), State2),
- State4 = state__get_race_warnings(State3),
- {State4#state.warnings, state__all_fun_types(State4)}.
+ State2 =
+ state__renew_warnings(state__get_warnings(State1, NoWarnUnused), State1),
+ State3 = state__get_race_warnings(State2),
+ {State3#state.warnings, state__all_fun_types(State3)}.
-spec get_fun_types(cerl:c_module(), dialyzer_plt:plt(),
dialyzer_callgraph:callgraph(),
@@ -277,13 +276,8 @@ traverse(Tree, Map, State) ->
{State1, Map1} = lists:foldl(FoldFun, {State, Map}, Defs),
traverse(Body, Map1, State1);
literal ->
- %% This is needed for finding records
- case cerl:unfold_literal(Tree) of
- Tree ->
- Type = literal_type(Tree),
- {State, Map, Type};
- NewTree -> traverse(NewTree, Map, State)
- end;
+ Type = literal_type(Tree),
+ {State, Map, Type};
module ->
handle_module(Tree, Map, State);
primop ->
@@ -1110,7 +1104,7 @@ handle_tuple(Tree, Map, State) ->
%% Let's find out if this is a record
case Elements of
[Tag|Left] ->
- case cerl:is_c_atom(Tag) of
+ case cerl:is_c_atom(Tag) andalso is_literal_record(Tree) of
true ->
TagVal = cerl:atom_val(Tag),
case state__lookup_record(TagVal, length(Left), State1) of
@@ -1240,15 +1234,10 @@ do_clause(C, Arg, ArgType0, OrigArgType, Map, State) ->
false ->
{State1, Map, t_none(), ArgType0};
true ->
- PatString =
- case ErrorType of
- bind -> format_patterns(Pats);
- record -> format_patterns(Pats);
- opaque -> format_patterns(NewPats)
- end,
{Msg, Force} =
case t_is_none(ArgType0) of
true ->
+ PatString = format_patterns(Pats),
PatTypes = [PatString, format_type(OrigArgType, State1)],
%% See if this is covered by an earlier clause or if it
%% simply cannot match
@@ -1298,6 +1287,12 @@ do_clause(C, Arg, ArgType0, OrigArgType, Map, State) ->
false ->
true
end,
+ PatString =
+ case ErrorType of
+ bind -> format_patterns(Pats);
+ record -> format_patterns(NewPats);
+ opaque -> format_patterns(NewPats)
+ end,
PatTypes = case ErrorType of
bind -> [PatString, format_type(ArgType0, State1)];
record -> [PatString, format_type(Type, State1)];
@@ -1444,7 +1439,7 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) ->
BinType = t_inf(t_bitstr(), Type, Opaques),
case t_is_none(BinType) of
true ->
- case t_find_opaque_mismatch(t_bitstr(), Type) of
+ case t_find_opaque_mismatch(t_bitstr(), Type, Opaques) of
{ok, T1, T2} ->
bind_error([Pat], T1, T2, opaque);
error ->
@@ -1460,7 +1455,7 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) ->
Cons = t_inf(Type, t_cons(), Opaques),
case t_is_none(Cons) of
true ->
- bind_opaque_pats(t_cons(), Type, Pat, Map, State, Rev);
+ bind_opaque_pats(t_cons(), Type, Pat, State);
false ->
{Map1, [HdType, TlType]} =
bind_pat_vars([cerl:cons_hd(Pat), cerl:cons_tl(Pat)],
@@ -1473,7 +1468,7 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) ->
Literal = literal_type(Pat),
case t_is_none(t_inf(Literal, Type, Opaques)) of
true ->
- bind_opaque_pats(Literal, Type, Pat, Map, State, Rev);
+ bind_opaque_pats(Literal, Type, Pat, State);
false -> {Map, Literal}
end;
map ->
@@ -1484,7 +1479,7 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) ->
case Es of
[] -> {false, t_tuple([])};
[Tag|Left] ->
- case cerl:is_c_atom(Tag) of
+ case cerl:is_c_atom(Tag) andalso is_literal_record(Pat) of
true ->
TagAtom = cerl:atom_val(Tag),
case state__lookup_record(TagAtom, length(Left), State) of
@@ -1500,7 +1495,7 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) ->
Tuple = t_inf(Prototype, Type, Opaques),
case t_is_none(Tuple) of
true ->
- bind_opaque_pats(Prototype, Type, Pat, Map, State, Rev);
+ bind_opaque_pats(Prototype, Type, Pat, State);
false ->
SubTuples = t_tuple_subtypes(Tuple, Opaques),
%% Need to call the top function to get the try-catch wrapper
@@ -1549,7 +1544,7 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) ->
VarType2 = t_inf(VarType1, Type, Opaques),
case t_is_none(VarType2) of
true ->
- case t_find_opaque_mismatch(VarType1, Type) of
+ case t_find_opaque_mismatch(VarType1, Type, Opaques) of
{ok, T1, T2} ->
bind_error([Pat], T1, T2, opaque);
error ->
@@ -1631,21 +1626,26 @@ bind_bin_segs([Seg|Segs], BinType, Acc, Map, State) ->
bind_bin_segs([], _BinType, Acc, Map, _State) ->
{Map, lists:reverse(Acc)}.
-bind_error(Pats, Type, OpaqueType, Error) ->
+bind_error(Pats, Type, OpaqueType, Error0) ->
+ Error = case {Error0, Pats} of
+ {bind, [Pat]} ->
+ case is_literal_record(Pat) of
+ true -> record;
+ false -> Error0
+ end;
+ _ -> Error0
+ end,
throw({error, Error, Pats, Type, OpaqueType}).
-bind_opaque_pats(GenType, Type, Pat, Map, State, Rev) ->
- case t_find_opaque_mismatch(GenType, Type) of
+-spec bind_opaque_pats(type(), type(), cerl:c_literal(), state()) ->
+ no_return().
+
+bind_opaque_pats(GenType, Type, Pat, State) ->
+ case t_find_opaque_mismatch(GenType, Type, State#state.opaques) of
{ok, T1, T2} ->
- case erl_types:is_opaque_type(T2, State#state.opaques) of
- true ->
- NewType = erl_types:t_struct_from_opaque(Type, [T2]),
- {Map1, _} =
- bind_pat_vars([Pat], [NewType], [], Map, State, Rev),
- {Map1, T2};
- false -> bind_error([Pat], T1, T2, opaque)
- end;
- error -> bind_error([Pat], Type, t_none(), bind)
+ bind_error([Pat], T1, T2, opaque);
+ error ->
+ bind_error([Pat], Type, t_none(), bind)
end.
%%----------------------------------------
@@ -1843,9 +1843,9 @@ handle_guard_comp(Guard, Comp, Map, Env, Eval, State) ->
[Type1, Type2] = ArgTypes,
IsInt1 = t_is_integer(Type1, Opaques),
IsInt2 = t_is_integer(Type2, Opaques),
- case {cerl:type(Arg1), cerl:type(Arg2)} of
- {literal, literal} ->
- case erlang:Comp(cerl:concrete(Arg1), cerl:concrete(Arg2)) of
+ case {type(Arg1), type(Arg2)} of
+ {{literal, Lit1}, {literal, Lit2}} ->
+ case erlang:Comp(cerl:concrete(Lit1), cerl:concrete(Lit2)) of
true when Eval =:= pos -> {Map, t_atom(true)};
true when Eval =:= dont_know -> {Map, t_atom(true)};
true when Eval =:= neg -> {Map, t_atom(true)};
@@ -1854,13 +1854,13 @@ handle_guard_comp(Guard, Comp, Map, Env, Eval, State) ->
false when Eval =:= dont_know -> {Map, t_atom(false)};
false when Eval =:= neg -> {Map, t_atom(false)}
end;
- {literal, var} when IsInt1 andalso IsInt2 andalso (Eval =:= pos) ->
- case bind_comp_literal_var(Arg1, Arg2, Type2, Comp, Map1, Opaques) of
+ {{literal, Lit1}, var} when IsInt1 andalso IsInt2 andalso (Eval =:= pos) ->
+ case bind_comp_literal_var(Lit1, Arg2, Type2, Comp, Map1, Opaques) of
error -> signal_guard_fail(Eval, Guard, ArgTypes, State);
{ok, NewMap} -> {NewMap, t_atom(true)}
end;
- {var, literal} when IsInt1 andalso IsInt2 andalso (Eval =:= pos) ->
- case bind_comp_literal_var(Arg2, Arg1, Type1, invert_comp(Comp),
+ {var, {literal, Lit2}} when IsInt1 andalso IsInt2 andalso (Eval =:= pos) ->
+ case bind_comp_literal_var(Lit2, Arg1, Type1, invert_comp(Comp),
Map1, Opaques) of
error -> signal_guard_fail(Eval, Guard, ArgTypes, State);
{ok, NewMap} -> {NewMap, t_atom(true)}
@@ -1980,15 +1980,15 @@ handle_guard_is_record(Guard, Map, Env, Eval, State) ->
handle_guard_eq(Guard, Map, Env, Eval, State) ->
[Arg1, Arg2] = cerl:call_args(Guard),
- case {cerl:type(Arg1), cerl:type(Arg2)} of
- {literal, literal} ->
- case cerl:concrete(Arg1) =:= cerl:concrete(Arg2) of
+ case {type(Arg1), type(Arg2)} of
+ {{literal, Lit1}, {literal, Lit2}} ->
+ case cerl:concrete(Lit1) =:= cerl:concrete(Lit2) of
true ->
if
Eval =:= pos -> {Map, t_atom(true)};
Eval =:= neg ->
- ArgTypes = [t_from_term(cerl:concrete(Arg1)),
- t_from_term(cerl:concrete(Arg2))],
+ ArgTypes = [t_from_term(cerl:concrete(Lit1)),
+ t_from_term(cerl:concrete(Lit2))],
signal_guard_fail(Eval, Guard, ArgTypes, State);
Eval =:= dont_know -> {Map, t_atom(true)}
end;
@@ -1997,28 +1997,28 @@ handle_guard_eq(Guard, Map, Env, Eval, State) ->
Eval =:= neg -> {Map, t_atom(false)};
Eval =:= dont_know -> {Map, t_atom(false)};
Eval =:= pos ->
- ArgTypes = [t_from_term(cerl:concrete(Arg1)),
- t_from_term(cerl:concrete(Arg2))],
+ ArgTypes = [t_from_term(cerl:concrete(Lit1)),
+ t_from_term(cerl:concrete(Lit2))],
signal_guard_fail(Eval, Guard, ArgTypes, State)
end
end;
- {literal, _} when Eval =:= pos ->
- case cerl:concrete(Arg1) of
+ {{literal, Lit1}, _} when Eval =:= pos ->
+ case cerl:concrete(Lit1) of
Atom when is_atom(Atom) ->
- bind_eqeq_guard_lit_other(Guard, Arg1, Arg2, Map, Env, State);
+ bind_eqeq_guard_lit_other(Guard, Lit1, Arg2, Map, Env, State);
[] ->
- bind_eqeq_guard_lit_other(Guard, Arg1, Arg2, Map, Env, State);
+ bind_eqeq_guard_lit_other(Guard, Lit1, Arg2, Map, Env, State);
_ ->
- bind_eq_guard(Guard, Arg1, Arg2, Map, Env, Eval, State)
+ bind_eq_guard(Guard, Lit1, Arg2, Map, Env, Eval, State)
end;
- {_, literal} when Eval =:= pos ->
- case cerl:concrete(Arg2) of
+ {_, {literal, Lit2}} when Eval =:= pos ->
+ case cerl:concrete(Lit2) of
Atom when is_atom(Atom) ->
- bind_eqeq_guard_lit_other(Guard, Arg2, Arg1, Map, Env, State);
+ bind_eqeq_guard_lit_other(Guard, Lit2, Arg1, Map, Env, State);
[] ->
- bind_eqeq_guard_lit_other(Guard, Arg2, Arg1, Map, Env, State);
+ bind_eqeq_guard_lit_other(Guard, Lit2, Arg1, Map, Env, State);
_ ->
- bind_eq_guard(Guard, Arg1, Arg2, Map, Env, Eval, State)
+ bind_eq_guard(Guard, Arg1, Lit2, Map, Env, Eval, State)
end;
{_, _} ->
bind_eq_guard(Guard, Arg1, Arg2, Map, Env, Eval, State)
@@ -2050,13 +2050,14 @@ bind_eq_guard(Guard, Arg1, Arg2, Map, Env, Eval, State) ->
handle_guard_eqeq(Guard, Map, Env, Eval, State) ->
[Arg1, Arg2] = cerl:call_args(Guard),
- case {cerl:type(Arg1), cerl:type(Arg2)} of
- {literal, literal} ->
- case cerl:concrete(Arg1) =:= cerl:concrete(Arg2) of
+ case {type(Arg1), type(Arg2)} of
+ {{literal, Lit1}, {literal, Lit2}} ->
+
+ case cerl:concrete(Lit1) =:= cerl:concrete(Lit2) of
true ->
if Eval =:= neg ->
- ArgTypes = [t_from_term(cerl:concrete(Arg1)),
- t_from_term(cerl:concrete(Arg2))],
+ ArgTypes = [t_from_term(cerl:concrete(Lit1)),
+ t_from_term(cerl:concrete(Lit2))],
signal_guard_fail(Eval, Guard, ArgTypes, State);
Eval =:= pos -> {Map, t_atom(true)};
Eval =:= dont_know -> {Map, t_atom(true)}
@@ -2065,15 +2066,15 @@ handle_guard_eqeq(Guard, Map, Env, Eval, State) ->
if Eval =:= neg -> {Map, t_atom(false)};
Eval =:= dont_know -> {Map, t_atom(false)};
Eval =:= pos ->
- ArgTypes = [t_from_term(cerl:concrete(Arg1)),
- t_from_term(cerl:concrete(Arg2))],
+ ArgTypes = [t_from_term(cerl:concrete(Lit1)),
+ t_from_term(cerl:concrete(Lit2))],
signal_guard_fail(Eval, Guard, ArgTypes, State)
end
end;
- {literal, _} when Eval =:= pos ->
- bind_eqeq_guard_lit_other(Guard, Arg1, Arg2, Map, Env, State);
- {_, literal} when Eval =:= pos ->
- bind_eqeq_guard_lit_other(Guard, Arg2, Arg1, Map, Env, State);
+ {{literal, Lit1}, _} when Eval =:= pos ->
+ bind_eqeq_guard_lit_other(Guard, Lit1, Arg2, Map, Env, State);
+ {_, {literal, Lit2}} when Eval =:= pos ->
+ bind_eqeq_guard_lit_other(Guard, Lit2, Arg1, Map, Env, State);
{_, _} ->
bind_eqeq_guard(Guard, Arg1, Arg2, Map, Env, Eval, State)
end.
@@ -3282,12 +3283,17 @@ get_file([_|Tail]) -> get_file(Tail).
is_compiler_generated(Ann) ->
lists:member(compiler_generated, Ann) orelse (get_line(Ann) < 1).
+is_literal_record(Tree) ->
+ Ann = cerl:get_ann(Tree),
+ lists:member(record, Ann).
+
-spec format_args([cerl:cerl()], [type()], state()) ->
nonempty_string().
format_args([], [], _State) ->
"()";
-format_args(ArgList, TypeList, State) ->
+format_args(ArgList0, TypeList, State) ->
+ ArgList = fold_literals(ArgList0),
"(" ++ format_args_1(ArgList, TypeList, State) ++ ")".
format_args_1([Arg], [Type], State) ->
@@ -3346,7 +3352,8 @@ format_cerl(Tree) ->
{ribbon, 100000} %% newlines.
]).
-format_patterns(Pats) ->
+format_patterns(Pats0) ->
+ Pats = fold_literals(Pats0),
NewPats = map_pats(cerl:c_values(Pats)),
String = format_cerl(NewPats),
case Pats of
@@ -3378,6 +3385,23 @@ map_pats(Pats) ->
end,
cerl_trees:map(Fun, Pats).
+fold_literals(TreeList) ->
+ [cerl:fold_literal(Tree) || Tree <- TreeList].
+
+type(Tree) ->
+ Folded = cerl:fold_literal(Tree),
+ case cerl:type(Folded) of
+ literal -> {literal, Folded};
+ Type -> Type
+ end.
+
+is_literal(Tree) ->
+ Folded = cerl:fold_literal(Tree),
+ case cerl:is_literal(Folded) of
+ true -> {yes, Folded};
+ false -> no
+ end.
+
parent_allows_this(FunLbl, #state{callgraph = Callgraph, plt = Plt} =State) ->
case state__is_escaping(FunLbl, State) of
false -> false; % if it isn't escaping it can't be a return value
@@ -3422,18 +3446,18 @@ find_terminals(Tree) ->
M0 = cerl:call_module(Tree),
F0 = cerl:call_name(Tree),
A = length(cerl:call_args(Tree)),
- case cerl:is_literal(M0) andalso cerl:is_literal(F0) of
- false ->
- %% We cannot make assumptions. Say that both are true.
- {true, true};
- true ->
- M = cerl:concrete(M0),
- F = cerl:concrete(F0),
+ case {is_literal(M0), is_literal(F0)} of
+ {{yes, LitM}, {yes, LitF}} ->
+ M = cerl:concrete(LitM),
+ F = cerl:concrete(LitF),
case (erl_bif_types:is_known(M, F, A)
andalso t_is_none(erl_bif_types:type(M, F, A))) of
true -> {true, false};
false -> {false, true}
- end
+ end;
+ _ ->
+ %% We cannot make assumptions. Say that both are true.
+ {true, true}
end;
'case' -> find_terminals_list(cerl:case_clauses(Tree));
'catch' -> find_terminals(cerl:catch_body(Tree));
@@ -3478,66 +3502,6 @@ find_terminals_list([], Explicit, Normal) ->
%%----------------------------------------------------------------------------
-%% If you write a record pattern in a matching that violates the
-%% definition it will never match. However, the warning is lost in the
-%% regular analysis. This after-pass catches it.
-
-find_mismatched_record_patterns(Tree, State) ->
- cerl_trees:fold(
- fun(SubTree, AccState) ->
- case cerl:is_c_clause(SubTree) of
- true -> lists:foldl(fun(P, AccState1) ->
- find_rec_warnings(P, AccState1)
- end, AccState, cerl:clause_pats(SubTree));
- false -> AccState
- end
- end, State, Tree).
-
-find_rec_warnings(Tree, State) ->
- cerl_trees:fold(
- fun(SubTree, AccState) ->
- case cerl:is_c_tuple(SubTree) of
- true -> find_rec_warnings_tuple(SubTree, AccState);
- false -> AccState
- end
- end, State, Tree).
-
-find_rec_warnings_tuple(Tree, State) ->
- Elements = cerl:tuple_es(Tree),
- {_, _, EsType} = traverse_list(Elements, map__new(), State),
- TupleType = t_tuple(EsType),
- case t_is_none(TupleType) of
- true -> State;
- false ->
- %% Let's find out if this is a record construction.
- case Elements of
- [Tag|Left] ->
- case cerl:is_c_atom(Tag) of
- true ->
- TagVal = cerl:atom_val(Tag),
- case state__lookup_record(TagVal, length(Left), State) of
- error -> State;
- {ok, Prototype} ->
- InfTupleType = t_inf(Prototype, TupleType),
- case t_is_none(InfTupleType) of
- true ->
- Msg = {record_matching,
- [format_patterns([Tree]), TagVal]},
- state__add_warning(State, ?WARN_MATCHING, Tree, Msg);
- false ->
- State
- end
- end;
- false ->
- State
- end;
- _ ->
- State
- end
- end.
-
-%%----------------------------------------------------------------------------
-
-ifdef(DEBUG_PP).
debug_pp(Tree, true) ->
io:put_chars(cerl_prettypr:format(Tree, [{hook, cerl_typean:pp_hook()}])),
diff --git a/lib/dialyzer/src/dialyzer_races.erl b/lib/dialyzer/src/dialyzer_races.erl
index 28c2ad2c0b..2a8aba5d8f 100644
--- a/lib/dialyzer/src/dialyzer_races.erl
+++ b/lib/dialyzer/src/dialyzer_races.erl
@@ -1848,7 +1848,8 @@ 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)]);
@@ -1878,7 +1879,7 @@ 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
@@ -2148,7 +2149,8 @@ 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),
diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl
index 31ceaf5ac5..3d03ed3ab3 100644
--- a/lib/dialyzer/src/dialyzer_typesig.erl
+++ b/lib/dialyzer/src/dialyzer_typesig.erl
@@ -389,13 +389,8 @@ traverse(Tree, DefinedVars, State) ->
{State2, _} = traverse_list(Funs, DefinedVars1, State1),
traverse(Body, DefinedVars1, State2);
literal ->
- %% This is needed for finding records
- case cerl:unfold_literal(Tree) of
- Tree ->
- Type = t_from_term(cerl:concrete(Tree)),
- {State, Type};
- NewTree -> traverse(NewTree, DefinedVars, State)
- end;
+ Type = t_from_term(cerl:concrete(Tree)),
+ {State, Type};
module ->
Defs = cerl:module_defs(Tree),
Funs = [Fun || {_Var, Fun} <- Defs],
@@ -462,7 +457,7 @@ traverse(Tree, DefinedVars, State) ->
end,
case Elements of
[Tag|Fields] ->
- case cerl:is_c_atom(Tag) of
+ case cerl:is_c_atom(Tag) andalso is_literal_record(Tree) of
true ->
%% Check if a record is constructed.
Arity = length(Fields),
@@ -874,7 +869,8 @@ get_underapprox_from_guard(Tree, Map) ->
MFA ->
case get_type_test(MFA) of
{ok, Type} ->
- [Arg] = cerl:call_args(Tree),
+ [Arg0] = cerl:call_args(Tree),
+ Arg = cerl:fold_literal(Arg0),
{ArgType, Map1} = get_underapprox_from_guard(Arg, Map),
Inf = t_inf(Type, ArgType),
case t_is_none(Inf) of
@@ -891,7 +887,9 @@ get_underapprox_from_guard(Tree, Map) ->
{erlang, '=:=', 2} -> throw(dont_know);
{erlang, '==', 2} -> throw(dont_know);
{erlang, 'and', 2} ->
- [Arg1, Arg2] = cerl:call_args(Tree),
+ [Arg1_0, Arg2_0] = cerl:call_args(Tree),
+ Arg1 = cerl:fold_literal(Arg1_0),
+ Arg2 = cerl:fold_literal(Arg2_0),
case ((cerl:is_c_var(Arg1) orelse cerl:is_literal(Arg1))
andalso
(cerl:is_c_var(Arg2) orelse cerl:is_literal(Arg2))) of
@@ -3272,6 +3270,10 @@ lookup_record(Records, Tag, Arity) ->
error
end.
+is_literal_record(Tree) ->
+ Ann = cerl:get_ann(Tree),
+ lists:member(record, Ann).
+
family(L) ->
sofs:to_external(sofs:rel2fam(sofs:relation(L))).
diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl
index 21183e3459..e1bcd72c0b 100644
--- a/lib/dialyzer/src/dialyzer_utils.erl
+++ b/lib/dialyzer/src/dialyzer_utils.erl
@@ -402,7 +402,7 @@ sets_filter([Mod|Mods], ExpTypes) ->
src_compiler_opts() ->
[no_copt, to_core, binary, return_errors,
no_inline, strict_record_tests, strict_record_updates,
- no_is_record_optimization].
+ dialyzer].
-spec get_module(abstract_code()) -> module().
diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/simple b/lib/dialyzer/test/opaque_SUITE_data/results/simple
index 072ac9be8f..29864d6065 100644
--- a/lib/dialyzer/test/opaque_SUITE_data/results/simple
+++ b/lib/dialyzer/test/opaque_SUITE_data/results/simple
@@ -14,12 +14,17 @@ is_rec.erl:53: The call erlang:is_record(A::simple1_adt:d1(),A::simple1_adt:d1()
is_rec.erl:57: Guard test is_record(A::simple1_adt:d1(),'r',2) breaks the opaqueness of its argument
is_rec.erl:61: The record #r{f1::simple1_adt:d1()} violates the declared type for #r{}
is_rec.erl:65: The call erlang:is_record({simple1_adt:d1(),1},'r',2) contains an opaque term as 1st argument when terms of different types are expected in these positions
-rec_api.erl:22: Record construction #r1{f1::10} violates the declared type of field f1::'undefined' | rec_api:a()
-rec_api.erl:23: The pattern {'r1', 10} violates the declared type for #r1{}
-rec_api.erl:27: The attempt to match a term of type rec_adt:r1() against the pattern {'r1', 'a'} breaks the opaqueness of the term
-rec_api.erl:29: Invalid type specification for function rec_api:adt_t1/1. The success typing is (#r1{f1::'a'}) -> #r1{f1::'a'}
-rec_api.erl:34: Invalid type specification for function rec_api:adt_r1/0. The success typing is () -> #r1{f1::'a'}
-rec_api.erl:77: The attempt to match a term of type rec_api:f() against the variable _ breaks the opaqueness of the term
+rec_api.erl:104: Matching of pattern {'r2', 10} tagged with a record name violates the declared type of #r2{f1::10}
+rec_api.erl:113: The attempt to match a term of type #r3{f1::queue:queue(_)} against the pattern {'r3', 'a'} breaks the opaqueness of queue:queue(_)
+rec_api.erl:118: Record construction #r3{f1::10} violates the declared type of field f1::queue:queue(_)
+rec_api.erl:123: The attempt to match a term of type #r3{f1::10} against the pattern {'r3', 10} breaks the opaqueness of queue:queue(_)
+rec_api.erl:24: Record construction #r1{f1::10} violates the declared type of field f1::'undefined' | rec_api:a()
+rec_api.erl:29: Matching of pattern {'r1', 10} tagged with a record name violates the declared type of #r1{f1::10}
+rec_api.erl:33: The attempt to match a term of type rec_adt:r1() against the pattern {'r1', 'a'} breaks the opaqueness of the term
+rec_api.erl:35: Invalid type specification for function rec_api:adt_t1/1. The success typing is (#r1{f1::'a'}) -> #r1{f1::'a'}
+rec_api.erl:40: Invalid type specification for function rec_api:adt_r1/0. The success typing is () -> #r1{f1::'a'}
+rec_api.erl:85: The attempt to match a term of type rec_api:f() against the variable _ breaks the opaqueness of rec_adt:f()
+rec_api.erl:99: Record construction #r2{f1::10} violates the declared type of field f1::rec_api:a()
simple1_api.erl:113: The test simple1_api:d1() =:= simple1_api:d2() can never evaluate to 'true'
simple1_api.erl:118: Guard test simple1_api:d2() =:= A::simple1_api:d1() can never succeed
simple1_api.erl:142: Attempt to test for equality between a term of type simple1_adt:o2() and a term of opaque type simple1_adt:o1()
@@ -58,7 +63,7 @@ simple1_api.erl:381: Invalid type specification for function simple1_api:bool_ad
simple1_api.erl:407: The size simple1_adt:i1() breaks the opaqueness of A
simple1_api.erl:418: The attempt to match a term of type non_neg_integer() against the variable A breaks the opaqueness of simple1_adt:i1()
simple1_api.erl:425: The attempt to match a term of type non_neg_integer() against the variable B breaks the opaqueness of simple1_adt:i1()
-simple1_api.erl:432: The attempt to match a term of type non_neg_integer() against the variable B breaks the opaqueness of simple1_api:o1()
+simple1_api.erl:432: The pattern <<_:B/integer-unit:1>> can never match the type any()
simple1_api.erl:448: The attempt to match a term of type non_neg_integer() against the variable Sz breaks the opaqueness of simple1_adt:i1()
simple1_api.erl:460: The attempt to match a term of type simple1_adt:bit1() against the pattern <<_/binary-unit:8>> breaks the opaqueness of the term
simple1_api.erl:478: The call 'foo':A(A::simple1_adt:a()) breaks the opaqueness of the term A :: simple1_adt:a()
diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/timer b/lib/dialyzer/test/opaque_SUITE_data/results/timer
index e917b76b08..b1cfcd4e9f 100644
--- a/lib/dialyzer/test/opaque_SUITE_data/results/timer
+++ b/lib/dialyzer/test/opaque_SUITE_data/results/timer
@@ -1,4 +1,4 @@
timer_use.erl:16: The pattern 'gazonk' can never match the type {'error',_} | {'ok',timer:tref()}
-timer_use.erl:17: The attempt to match a term of type {'ok',timer:tref()} against the pattern {'ok', 42} breaks the opaqueness of timer:tref()
+timer_use.erl:17: The attempt to match a term of type {'error',_} | {'ok',timer:tref()} against the pattern {'ok', 42} breaks the opaqueness of timer:tref()
timer_use.erl:18: The attempt to match a term of type {'error',_} | {'ok',timer:tref()} against the pattern {Tag, 'gazonk'} breaks the opaqueness of timer:tref()
diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/simple/rec_api.erl b/lib/dialyzer/test/opaque_SUITE_data/src/simple/rec_api.erl
index d9b1d59f0c..fb6d59d263 100644
--- a/lib/dialyzer/test/opaque_SUITE_data/src/simple/rec_api.erl
+++ b/lib/dialyzer/test/opaque_SUITE_data/src/simple/rec_api.erl
@@ -1,9 +1,9 @@
-module(rec_api).
--export([t1/0, t2/0, adt_t1/0, adt_t1/1, adt_r1/0,
- t/1, t_adt/0, r/0, r_adt/0]).
+-export([t1/0, t2/0, t3/0, adt_t1/0, adt_t1/1, adt_r1/0,
+ t/1, t_adt/0, r/0, r_adt/0, u1/0, u2/0, u3/0, v1/0, v2/0, v3/0]).
--export_type([{a,0},{r1,0}]).
+-export_type([{a,0},{r1,0}, r2/0, r3/0]).
-export_type([f/0, op_t/0, r/0, tup/0]).
@@ -19,8 +19,14 @@ t1() ->
{r1, a} = A.
t2() ->
- A = {r1, 10}, % violates the type of #r1{}
- {r1, 10} = A. % violates the type of #r1{}
+ A = {r1, 10},
+ {r1, 10} = A,
+ A = #r1{f1 = 10}, % violates the type of field f1
+ #r1{f1 = 10} = A.
+
+t3() ->
+ A = {r1, 10},
+ #r1{f1 = 10} = A. % violates the type of #r1{}
adt_t1() ->
R = rec_adt:r1(),
@@ -66,7 +72,8 @@ t_adt() ->
-spec r() -> _.
r() ->
- {r, f(), 2}. % OK, f() is a local opaque type
+ {{r, f(), 2},
+ #r{f = f(), o = 2}}. % OK, f() is a local opaque type
-spec f() -> f().
@@ -74,4 +81,43 @@ f() ->
fun(_) -> 3 end.
r_adt() ->
- {r, rec_adt:f(), 2}. % breaks the opaqueness
+ {{r, rec_adt:f(), 2},
+ #r{f = rec_adt:f(), o = 2}}. % breaks the opaqueness
+
+-record(r2, % like #r1{}, but with initial value
+ {f1 = a :: a()}).
+
+-opaque r2() :: #r2{}.
+
+u1() ->
+ A = #r2{f1 = a},
+ {r2, a} = A.
+
+u2() ->
+ A = {r2, 10},
+ {r2, 10} = A,
+ A = #r2{f1 = 10}, % violates the type of field f1
+ #r2{f1 = 10} = A.
+
+u3() ->
+ A = {r2, 10},
+ #r2{f1 = 10} = A. % violates the type of #r2{}
+
+-record(r3, % like #r1{}, but an opaque type
+ {f1 = queue:new():: queue:queue()}).
+
+-opaque r3() :: #r3{}.
+
+v1() ->
+ A = #r3{f1 = queue:new()},
+ {r3, a} = A. % breaks the opaqueness
+
+v2() ->
+ A = {r3, 10},
+ {r3, 10} = A,
+ A = #r3{f1 = 10}, % violates the type of field f1
+ #r3{f1 = 10} = A.
+
+v3() ->
+ A = {r3, 10},
+ #r3{f1 = 10} = A. % breaks the opaqueness
diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/simple/simple1_api.erl b/lib/dialyzer/test/opaque_SUITE_data/src/simple/simple1_api.erl
index 5135eb8e59..eef2074e0c 100644
--- a/lib/dialyzer/test/opaque_SUITE_data/src/simple/simple1_api.erl
+++ b/lib/dialyzer/test/opaque_SUITE_data/src/simple/simple1_api.erl
@@ -428,8 +428,8 @@ bit_adt_t3(A) ->
bit_t5(A) ->
B = o1(),
- case none:none() of
- <<A:B>> -> 1 % breaks the opaqueness
+ case none:none() of % the type is any(); should fix that XXX
+ <<A:B>> -> 1 % can never match (local opaque type is OK)
end.
-spec bit_t4(<<_:1>>) -> integer().
diff --git a/lib/dialyzer/test/options1_SUITE_data/results/compiler b/lib/dialyzer/test/options1_SUITE_data/results/compiler
index 6399e3e36b..30b6f4814a 100644
--- a/lib/dialyzer/test/options1_SUITE_data/results/compiler
+++ b/lib/dialyzer/test/options1_SUITE_data/results/compiler
@@ -4,7 +4,7 @@ beam_bool.erl:193: The pattern {[], _} can never match the type {[{_,_,_,_},...]
beam_bool.erl:510: The pattern [{'set', [Dst], _, _}, {'%live', _}] can never match the type [{_,_,_,_}]
beam_disasm.erl:537: The variable X can never match since previous clauses completely covered the type 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7
beam_type.erl:284: The pattern <'pi', 0> can never match the type <_,1 | 2>
-beam_validator.erl:396: The pattern <{'jump', {'f', _}}, Vst = {'vst', 'none', _}> can never match the type <_,#vst{current::#st{ct::[]}}>
+beam_validator.erl:396: Matching of pattern {'vst', 'none', _} tagged with a record name violates the declared type of #vst{current::#st{ct::[]}}
beam_validator.erl:690: The pattern <'term', OldT> can never match the type <{'tuple',[any(),...]},_>
beam_validator.erl:693: Guard test 'or'('false','false') can never succeed
beam_validator.erl:700: Guard test 'or'('false','false') can never succeed
@@ -33,4 +33,4 @@ core_lint.erl:473: The pattern <{'c_atom', _, 'all'}, 'binary', _Def, St> can ne
core_lint.erl:505: The pattern <_Req, 'unknown', St> can never match the type <non_neg_integer(),non_neg_integer(),_>
v3_codegen.erl:1569: The call v3_codegen:load_reg_1(V::any(),I::0,Rs::any(),pos_integer()) will never return since it differs in the 4th argument from the success typing arguments: (any(),0,maybe_improper_list(),0)
v3_codegen.erl:1571: The call v3_codegen:load_reg_1(V::any(),I::0,[],pos_integer()) will never return since it differs in the 4th argument from the success typing arguments: (any(),0,maybe_improper_list(),0)
-v3_core.erl:646: The pattern <Prim = {'iprimop', _, _, _}, St> can never match the type <#c_nil{anno::[any(),...]} | {'c_atom' | 'c_char' | 'c_float' | 'c_int' | 'c_string' | 'c_tuple' | 'c_var' | 'ibinary' | 'icatch' | 'ireceive1',[any(),...] | {_,_,_,_},_} | #c_cons{anno::[any(),...]} | #c_fname{anno::[any(),...]} | #iletrec{anno::{_,_,_,_},defs::[any(),...],body::[any(),...]} | #icase{anno::{_,_,_,_},args::[any()],clauses::[any()],fc::{_,_,_,_,_,_}} | #ireceive2{anno::{_,_,_,_},clauses::[any()],action::[any()]} | #ifun{anno::{_,_,_,_},id::[any(),...],vars::[any()],clauses::[any(),...],fc::{_,_,_,_,_,_}} | #imatch{anno::{_,_,_,_},guard::[],fc::{_,_,_,_,_,_}} | #itry{anno::{_,_,_,_},args::[any()],vars::[any(),...],body::[any(),...],evars::[any(),...],handler::[any(),...]},_>
+v3_core.erl:646: Matching of pattern {'iprimop', _, _, _} tagged with a record name violates the declared type of #c_nil{anno::[any(),...]} | {'c_atom' | 'c_char' | 'c_float' | 'c_int' | 'c_string' | 'c_tuple' | 'c_var' | 'ibinary' | 'icatch' | 'ireceive1',[any(),...] | {_,_,_,_},_} | #c_cons{anno::[any(),...]} | #c_fname{anno::[any(),...]} | #iletrec{anno::{_,_,_,_},defs::[any(),...],body::[any(),...]} | #icase{anno::{_,_,_,_},args::[any()],clauses::[any()],fc::{_,_,_,_,_,_}} | #ireceive2{anno::{_,_,_,_},clauses::[any()],action::[any()]} | #ifun{anno::{_,_,_,_},id::[any(),...],vars::[any()],clauses::[any(),...],fc::{_,_,_,_,_,_}} | #imatch{anno::{_,_,_,_},guard::[],fc::{_,_,_,_,_,_}} | #itry{anno::{_,_,_,_},args::[any()],vars::[any(),...],body::[any(),...],evars::[any(),...],handler::[any(),...]}
diff --git a/lib/dialyzer/test/r9c_SUITE_data/results/asn1 b/lib/dialyzer/test/r9c_SUITE_data/results/asn1
index c11105b76d..1cf03346ee 100644
--- a/lib/dialyzer/test/r9c_SUITE_data/results/asn1
+++ b/lib/dialyzer/test/r9c_SUITE_data/results/asn1
@@ -5,7 +5,7 @@ asn1ct.erl:1673: The pattern 'all' can never match the type 'asn1_module' | 'exc
asn1ct.erl:672: The pattern <{'false', Result}, _, _> can never match the type <{'true','true'},atom() | binary() | [atom() | [any()] | char()],[any()]>
asn1ct.erl:909: Guard test is_atom(Ext::[49 | 97 | 98 | 100 | 110 | 115]) can never succeed
asn1ct_check.erl:1698: The pattern {'error', _} can never match the type [any()]
-asn1ct_check.erl:2733: The pattern {'type', Tag, _, _, _, _} can never match the type 'ASN1_OPEN_TYPE' | {_,_} | {'fixedtypevaluefield',_,_}
+asn1ct_check.erl:2733: Matching of pattern {'type', Tag, _, _, _, _} tagged with a record name violates the declared type of 'ASN1_OPEN_TYPE' | {_,_} | {'fixedtypevaluefield',_,_}
asn1ct_check.erl:2738: The pattern <_S, _> can never match since previous clauses completely covered the type <#state{},#'ObjectClassFieldType'{class::#objectclass{fields::maybe_improper_list() | {_,_,_,_}},fieldname::{_,maybe_improper_list()},type::'ASN1_OPEN_TYPE' | {_,_} | {'fixedtypevaluefield',_,_}}>
asn1ct_check.erl:2887: The variable Other can never match since previous clauses completely covered the type any()
asn1ct_check.erl:3188: The pattern <_S, [], B> can never match the type <#state{},{'SingleValue',_},{'ValueRange',_}>
diff --git a/lib/dialyzer/test/small_SUITE_data/results/confusing_record_warning b/lib/dialyzer/test/small_SUITE_data/results/confusing_record_warning
deleted file mode 100644
index ac3d89b02b..0000000000
--- a/lib/dialyzer/test/small_SUITE_data/results/confusing_record_warning
+++ /dev/null
@@ -1,3 +0,0 @@
-
-confusing_record_warning.erl:18: Function test/1 has no local return
-confusing_record_warning.erl:18: Matching of pattern {'r', [_]} tagged with a record name violates the declared type of #r{field::'binary' | 'undefined'}
diff --git a/lib/dialyzer/test/small_SUITE_data/results/literals b/lib/dialyzer/test/small_SUITE_data/results/literals
new file mode 100644
index 0000000000..03e161ca71
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/literals
@@ -0,0 +1,14 @@
+
+literals.erl:11: Function t1/0 has no local return
+literals.erl:12: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined'
+literals.erl:14: Function t2/0 has no local return
+literals.erl:15: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined'
+literals.erl:17: Function t3/0 has no local return
+literals.erl:18: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined'
+literals.erl:21: Record construction #r{id::'a'} violates the declared type of field id::'integer' | 'undefined'
+literals.erl:23: Function m1/1 has no local return
+literals.erl:23: Matching of pattern {'r', 'a'} tagged with a record name violates the declared type of #r{id::'integer' | 'undefined'}
+literals.erl:26: Function m2/1 has no local return
+literals.erl:26: Matching of pattern {'r', 'a'} tagged with a record name violates the declared type of #r{id::'integer' | 'undefined'}
+literals.erl:29: Function m3/1 has no local return
+literals.erl:29: The pattern {{'r', 'a'}} can never match the type any()
diff --git a/lib/dialyzer/test/small_SUITE_data/results/my_sofs b/lib/dialyzer/test/small_SUITE_data/results/my_sofs
index bc97c08d62..0b933e6cd7 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/my_sofs
+++ b/lib/dialyzer/test/small_SUITE_data/results/my_sofs
@@ -1,3 +1,3 @@
-my_sofs.erl:34: The pattern {'Set', _, _} can never match the type #'OrdSet'{}
-my_sofs.erl:54: The pattern {'Set', _, _} can never match the type #'OrdSet'{}
+my_sofs.erl:34: Matching of pattern {'Set', _, _} tagged with a record name violates the declared type of #'OrdSet'{}
+my_sofs.erl:54: Matching of pattern {'Set', _, _} tagged with a record name violates the declared type of #'OrdSet'{}
diff --git a/lib/dialyzer/test/small_SUITE_data/results/record_pat b/lib/dialyzer/test/small_SUITE_data/results/record_pat
index 9a3f925e42..a46be6c451 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/record_pat
+++ b/lib/dialyzer/test/small_SUITE_data/results/record_pat
@@ -1,2 +1,2 @@
-record_pat.erl:14: The pattern {'foo', 'baz'} violates the declared type for #foo{}
+record_pat.erl:14: Matching of pattern {'foo', 'baz'} tagged with a record name violates the declared type of #foo{bar::'undefined' | integer()}
diff --git a/lib/dialyzer/test/small_SUITE_data/results/record_test b/lib/dialyzer/test/small_SUITE_data/results/record_test
index 9715f0dcfb..7060bfa200 100644
--- a/lib/dialyzer/test/small_SUITE_data/results/record_test
+++ b/lib/dialyzer/test/small_SUITE_data/results/record_test
@@ -1,3 +1,3 @@
-record_test.erl:19: The pattern {'foo', _} can never match the type 'foo'
+record_test.erl:19: Matching of pattern {'foo', _} tagged with a record name violates the declared type of 'foo'
record_test.erl:21: The variable _ can never match since previous clauses completely covered the type 'foo'
diff --git a/lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning b/lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning
new file mode 100644
index 0000000000..2e417e1b2a
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/results/relevant_record_warning
@@ -0,0 +1,3 @@
+
+relevant_record_warning.erl:22: Function test/1 has no local return
+relevant_record_warning.erl:23: Record construction #r{field::<<_:8>>} violates the declared type of field field::'binary' | 'undefined'
diff --git a/lib/dialyzer/test/small_SUITE_data/src/fun2ms.erl b/lib/dialyzer/test/small_SUITE_data/src/fun2ms.erl
new file mode 100644
index 0000000000..9e7df85e4c
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/fun2ms.erl
@@ -0,0 +1,21 @@
+-module(fun2ms).
+-export([return/0]).
+-include_lib("stdlib/include/ms_transform.hrl").
+
+-record(snapshot, {id :: integer(), arg1 :: atom(), arg2 :: tuple()}).
+
+return() ->
+ TableId = ets:new(table, [public, {keypos, #snapshot.id}]),
+
+ ets:insert(TableId, [#snapshot{id = 1, arg1 = hard, arg2 = {1,2}},
+ #snapshot{id = 2, arg1 = rock, arg2 = {1,2}},
+ #snapshot{id = 3, arg1 = hallelujah, arg2 =
+ {1,2}}]),
+
+
+ Example = ets:fun2ms(
+ fun(#snapshot{id = Arg1, arg1 = Arg2}) ->
+ {Arg1, Arg2}
+ end),
+
+ ets:select(TableId, Example).
diff --git a/lib/dialyzer/test/small_SUITE_data/src/literals.erl b/lib/dialyzer/test/small_SUITE_data/src/literals.erl
new file mode 100644
index 0000000000..abd7033712
--- /dev/null
+++ b/lib/dialyzer/test/small_SUITE_data/src/literals.erl
@@ -0,0 +1,33 @@
+-module(literals).
+
+%% Bad records inside structures used to be ignored. The reason:
+%% v3_core:unfold() does not annotate the parts of a literal.
+%% This example does not work perfectly yet, in particular Maps.
+
+-export([t1/0, t2/0, t3/0, t4/0, m1/1, m2/1, m3/1, m4/1]).
+
+-record(r, {id :: integer}).
+
+t1() ->
+ #r{id = a}. % violation
+
+t2() ->
+ [#r{id = a}]. % violation
+
+t3() ->
+ {#r{id = a}}. % violation
+
+t4() ->
+ #{a => #r{id = a}}. % violation found, but t4() returns... (bug)
+
+m1(#r{id = a}) -> % violation
+ ok.
+
+m2([#r{id = a}]) -> % violation
+ ok.
+
+m3({#r{id = a}}) -> % can never match; not so good
+ ok.
+
+m4(#{a := #r{id = a}}) -> % violation not found
+ ok.
diff --git a/lib/dialyzer/test/small_SUITE_data/src/confusing_record_warning.erl b/lib/dialyzer/test/small_SUITE_data/src/relevant_record_warning.erl
index 8af74e0914..3ff65458df 100644
--- a/lib/dialyzer/test/small_SUITE_data/src/confusing_record_warning.erl
+++ b/lib/dialyzer/test/small_SUITE_data/src/relevant_record_warning.erl
@@ -1,3 +1,7 @@
+%% Formerly confusing_record_warning.erl.
+%% The warning output is relevant as of Erlang/OTP 17.1.
+%% The original comment kept below.
+
%%---------------------------------------------------------------------
%% A user complained that dialyzer produces a weird warning for the
%% following program. I explained to him that there is an implicit
@@ -9,7 +13,7 @@
%% The pattern {'r', [_]} can never match the type any()
%% We should clearly give some less confusing warning in this case.
%%---------------------------------------------------------------------
--module(confusing_record_warning).
+-module(relevant_record_warning).
-export([test/1]).
diff --git a/lib/hipe/cerl/erl_types.erl b/lib/hipe/cerl/erl_types.erl
index 67661130a5..0927c17b6b 100644
--- a/lib/hipe/cerl/erl_types.erl
+++ b/lib/hipe/cerl/erl_types.erl
@@ -72,7 +72,7 @@
t_contains_opaque/1, t_contains_opaque/2,
t_decorate_with_opaque/3,
t_elements/1,
- t_find_opaque_mismatch/2,
+ t_find_opaque_mismatch/3,
t_find_unknown_opaque/3,
t_fixnum/0,
t_map/2,
@@ -530,39 +530,51 @@ list_contains_opaque(List, Opaques) ->
%% The first argument of the function is the pattern and its second
%% argument the type we are matching against the pattern.
--spec t_find_opaque_mismatch(erl_type(), erl_type()) -> 'error' | {'ok', erl_type(), erl_type()}.
+-spec t_find_opaque_mismatch(erl_type(), erl_type(), [erl_type()]) ->
+ 'error' | {'ok', erl_type(), erl_type()}.
-t_find_opaque_mismatch(T1, T2) ->
- t_find_opaque_mismatch(T1, T2, T2).
+t_find_opaque_mismatch(T1, T2, Opaques) ->
+ t_find_opaque_mismatch(T1, T2, T2, Opaques).
-t_find_opaque_mismatch(?any, _Type, _TopType) -> error;
-t_find_opaque_mismatch(?none, _Type, _TopType) -> error;
-t_find_opaque_mismatch(?list(T1, Tl1, _), ?list(T2, Tl2, _), TopType) ->
- t_find_opaque_mismatch_ordlists([T1, Tl1], [T2, Tl2], TopType);
-t_find_opaque_mismatch(_T1, ?opaque(_) = T2, TopType) -> {ok, TopType, T2};
-t_find_opaque_mismatch(?opaque(_) = T1, _T2, TopType) ->
+t_find_opaque_mismatch(?any, _Type, _TopType, _Opaques) -> error;
+t_find_opaque_mismatch(?none, _Type, _TopType, _Opaques) -> error;
+t_find_opaque_mismatch(?list(T1, Tl1, _), ?list(T2, Tl2, _), TopType, Opaques) ->
+ t_find_opaque_mismatch_ordlists([T1, Tl1], [T2, Tl2], TopType, Opaques);
+t_find_opaque_mismatch(T1, ?opaque(_) = T2, TopType, Opaques) ->
+ case is_opaque_type(T2, Opaques) of
+ false -> {ok, TopType, T2};
+ true ->
+ t_find_opaque_mismatch(T1, t_opaque_structure(T2), TopType, Opaques)
+ end;
+t_find_opaque_mismatch(?opaque(_) = T1, T2, TopType, Opaques) ->
%% The generated message is somewhat misleading:
- {ok, TopType, T1};
-t_find_opaque_mismatch(?product(T1), ?product(T2), TopType) ->
- t_find_opaque_mismatch_ordlists(T1, T2, TopType);
-t_find_opaque_mismatch(?tuple(T1, Arity, _), ?tuple(T2, Arity, _), TopType) ->
- t_find_opaque_mismatch_ordlists(T1, T2, TopType);
-t_find_opaque_mismatch(?tuple(_, _, _) = T1, ?tuple_set(_) = T2, TopType) ->
+ case is_opaque_type(T1, Opaques) of
+ false -> {ok, TopType, T1};
+ true ->
+ t_find_opaque_mismatch(t_opaque_structure(T1), T2, TopType, Opaques)
+ end;
+t_find_opaque_mismatch(?product(T1), ?product(T2), TopType, Opaques) ->
+ t_find_opaque_mismatch_ordlists(T1, T2, TopType, Opaques);
+t_find_opaque_mismatch(?tuple(T1, Arity, _), ?tuple(T2, Arity, _),
+ TopType, Opaques) ->
+ t_find_opaque_mismatch_ordlists(T1, T2, TopType, Opaques);
+t_find_opaque_mismatch(?tuple(_, _, _) = T1, ?tuple_set(_) = T2,
+ TopType, Opaques) ->
Tuples1 = t_tuple_subtypes(T1),
Tuples2 = t_tuple_subtypes(T2),
- t_find_opaque_mismatch_lists(Tuples1, Tuples2, TopType);
-t_find_opaque_mismatch(T1, ?union(U2), TopType) ->
- t_find_opaque_mismatch_lists([T1], U2, TopType);
-t_find_opaque_mismatch(_T1, _T2, _TopType) -> error.
+ t_find_opaque_mismatch_lists(Tuples1, Tuples2, TopType, Opaques);
+t_find_opaque_mismatch(T1, ?union(U2), TopType, Opaques) ->
+ t_find_opaque_mismatch_lists([T1], U2, TopType, Opaques);
+t_find_opaque_mismatch(_T1, _T2, _TopType, _Opaques) -> error.
-t_find_opaque_mismatch_ordlists(L1, L2, TopType) ->
+t_find_opaque_mismatch_ordlists(L1, L2, TopType, Opaques) ->
List = lists:zipwith(fun(T1, T2) ->
- t_find_opaque_mismatch(T1, T2, TopType)
+ t_find_opaque_mismatch(T1, T2, TopType, Opaques)
end, L1, L2),
t_find_opaque_mismatch_list(List).
-t_find_opaque_mismatch_lists(L1, L2, _TopType) ->
- List = [t_find_opaque_mismatch(T1, T2, T2) || T1 <- L1, T2 <- L2],
+t_find_opaque_mismatch_lists(L1, L2, _TopType, Opaques) ->
+ List = [t_find_opaque_mismatch(T1, T2, T2, Opaques) || T1 <- L1, T2 <- L2],
t_find_opaque_mismatch_list(List).
t_find_opaque_mismatch_list([]) -> error;
@@ -1423,7 +1435,6 @@ t_number_vals(Type) ->
t_number_vals(Type, Opaques) ->
do_opaque(Type, Opaques, fun number_vals/1).
-number_vals(?int_set(?any)) -> unknown;
number_vals(?int_set(Set)) -> set_to_list(Set);
number_vals(?number(_, _)) -> unknown;
number_vals(?opaque(_)) -> unknown;
diff --git a/lib/stdlib/src/erl_expand_records.erl b/lib/stdlib/src/erl_expand_records.erl
index 57e768ba9d..c74f68647f 100644
--- a/lib/stdlib/src/erl_expand_records.erl
+++ b/lib/stdlib/src/erl_expand_records.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2005-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2005-2014. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -38,6 +38,8 @@
checked_ra=[] % successfully accessed records
}).
+-define(REC_OFFSET, 100000000). % A hundred millions. Also in v3_core.
+
-spec(module(AbsForms, CompileOptions) -> AbsForms when
AbsForms :: [erl_parse:abstract_form()],
CompileOptions :: [compile:option()]).
@@ -144,10 +146,11 @@ pattern({map_field_exact,Line,K0,V0}, St0) ->
%% {{struct,Line,Tag,TPs},TPsvs,St1};
pattern({record_index,Line,Name,Field}, St) ->
{index_expr(Line, Field, Name, record_fields(Name, St)),St};
-pattern({record,Line,Name,Pfs}, St0) ->
+pattern({record,Line0,Name,Pfs}, St0) ->
Fs = record_fields(Name, St0),
{TMs,St1} = pattern_list(pattern_fields(Fs, Pfs), St0),
- {{tuple,Line,[{atom,Line,Name} | TMs]},St1};
+ Line = record_offset(Line0, St1),
+ {{tuple,Line,[{atom,Line0,Name} | TMs]},St1};
pattern({bin,Line,Es0}, St0) ->
{Es1,St1} = pattern_bin(Es0, St0),
{{bin,Line,Es1},St1};
@@ -329,8 +332,9 @@ expr({map_field_exact,Line,K0,V0}, St0) ->
expr({record_index,Line,Name,F}, St) ->
I = index_expr(Line, F, Name, record_fields(Name, St)),
expr(I, St);
-expr({record,Line,Name,Is}, St) ->
- expr({tuple,Line,[{atom,Line,Name} |
+expr({record,Line0,Name,Is}, St) ->
+ Line = record_offset(Line0, St),
+ expr({tuple,Line,[{atom,Line0,Name} |
record_inits(record_fields(Name, St), Is)]},
St);
expr({record_field,Line,R,Name,F}, St) ->
@@ -582,8 +586,9 @@ strict_get_record_field(Line, R, {atom,_,F}=Index, Name, St0) ->
I = index_expr(F, Fs, 2),
P = record_pattern(2, I, Var, length(Fs)+1, Line, [{atom,Line,Name}]),
NLine = neg_line(Line),
+ RLine = record_offset(NLine, St),
E = {'case',NLine,R,
- [{clause,NLine,[{tuple,NLine,P}],[],[Var]},
+ [{clause,NLine,[{tuple,RLine,P}],[],[Var]},
{clause,NLine,[{var,NLine,'_'}],[],
[{call,NLine,{remote,NLine,
{atom,NLine,erlang},
@@ -836,7 +841,7 @@ optimize_is_record(H0, G0, #exprec{compile=Opts}) ->
[] ->
{H0,G0};
Rs0 ->
- case lists:member(no_is_record_optimization, Opts) of
+ case lists:member(dialyzer, Opts) of % no_is_record_optimization
true ->
{H0,G0};
false ->
@@ -961,3 +966,10 @@ opt_remove_2(A, _) -> A.
neg_line(L) ->
erl_parse:set_line(L, fun(Line) -> -abs(Line) end).
+
+record_offset(L, St) ->
+ case lists:member(dialyzer, St#exprec.compile) of
+ true when L >= 0 -> L+?REC_OFFSET;
+ true when L < 0 -> L-?REC_OFFSET;
+ false -> L
+ end.