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-rw-r--r--lib/dialyzer/src/dialyzer.erl16
-rw-r--r--lib/dialyzer/src/dialyzer_cl_parse.erl4
-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl35
-rw-r--r--lib/dialyzer/src/dialyzer_dataflow.erl57
-rw-r--r--lib/dialyzer/src/dialyzer_gui_wx.erl4
5 files changed, 84 insertions, 32 deletions
diff --git a/lib/dialyzer/src/dialyzer.erl b/lib/dialyzer/src/dialyzer.erl
index 7f86520c06..d25ffd02a2 100644
--- a/lib/dialyzer/src/dialyzer.erl
+++ b/lib/dialyzer/src/dialyzer.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2015. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -407,6 +407,10 @@ message_to_string({contract_range, [Contract, M, F, ArgStrings, Line, CRet]}) ->
message_to_string({invalid_contract, [M, F, A, Sig]}) ->
io_lib:format("Invalid type specification for function ~w:~w/~w."
" The success typing is ~s\n", [M, F, A, Sig]);
+message_to_string({contract_with_opaque, [M, F, A, OpaqueType, SigType]}) ->
+ io_lib:format("The specification for ~w:~w/~w"
+ " has an opaque subtype ~s which is violated by the"
+ " success typing ~s\n", [M, F, A, OpaqueType, SigType]);
message_to_string({extra_range, [M, F, A, ExtraRanges, SigRange]}) ->
io_lib:format("The specification for ~w:~w/~w states that the function"
" might also return ~s but the inferred return is ~s\n",
@@ -432,25 +436,25 @@ message_to_string({opaque_guard, [Arg1, Infix, Arg2, ArgNs]}) ->
io_lib:format("Guard test ~s ~s ~s contains ~s\n",
[Arg1, Infix, Arg2, form_positions(ArgNs)]);
message_to_string({opaque_guard, [Guard, Args]}) ->
- io_lib:format("Guard test ~w~s breaks the opaqueness of its argument\n",
+ io_lib:format("Guard test ~w~s breaks the opacity of its argument\n",
[Guard, Args]);
message_to_string({opaque_match, [Pat, OpaqueType, OpaqueTerm]}) ->
Term = if OpaqueType =:= OpaqueTerm -> "the term";
true -> OpaqueTerm
end,
io_lib:format("The attempt to match a term of type ~s against the ~s"
- " breaks the opaqueness of ~s\n", [OpaqueType, Pat, Term]);
+ " breaks the opacity of ~s\n", [OpaqueType, Pat, Term]);
message_to_string({opaque_neq, [Type, _Op, OpaqueType]}) ->
io_lib:format("Attempt to test for inequality between a term of type ~s"
" and a term of opaque type ~s\n", [Type, OpaqueType]);
message_to_string({opaque_type_test, [Fun, Args, Arg, ArgType]}) ->
- io_lib:format("The type test ~s~s breaks the opaqueness of the term ~s~s\n",
+ io_lib:format("The type test ~s~s breaks the opacity of the term ~s~s\n",
[Fun, Args, Arg, ArgType]);
message_to_string({opaque_size, [SizeType, Size]}) ->
- io_lib:format("The size ~s breaks the opaqueness of ~s\n",
+ io_lib:format("The size ~s breaks the opacity of ~s\n",
[SizeType, Size]);
message_to_string({opaque_call, [M, F, Args, Culprit, OpaqueType]}) ->
- io_lib:format("The call ~s:~s~s breaks the opaqueness of the term ~s :: ~s\n",
+ io_lib:format("The call ~s:~s~s breaks the opacity of the term ~s :: ~s\n",
[M, F, Args, Culprit, OpaqueType]);
%%----- Warnings for concurrency errors --------------------
message_to_string({race_condition, [M, F, Args, Reason]}) ->
diff --git a/lib/dialyzer/src/dialyzer_cl_parse.erl b/lib/dialyzer/src/dialyzer_cl_parse.erl
index 934351aeeb..f668b81cd3 100644
--- a/lib/dialyzer/src/dialyzer_cl_parse.erl
+++ b/lib/dialyzer/src/dialyzer_cl_parse.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2015. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -510,7 +510,7 @@ warning_options_msg() ->
-Wno_match
Suppress warnings for patterns that are unused or cannot match.
-Wno_opaque
- Suppress warnings for violations of opaqueness of data types.
+ Suppress warnings for violations of opacity of data types.
-Wno_fail_call
Suppress warnings for failing calls.
-Wno_contracts
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index a72368f9f8..73b04b305b 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -232,7 +232,7 @@ check_contract(#contract{contracts = Contracts}, SuccType, Opaques) ->
error ->
{error, {overlapping_contract, []}};
ok ->
- InfList = [erl_types:t_inf(Contract, SuccType, Opaques)
+ InfList = [{Contract, erl_types:t_inf(Contract, SuccType, Opaques)}
|| Contract <- Contracts2],
case check_contract_inf_list(InfList, SuccType, Opaques) of
{error, _} = Invalid -> Invalid;
@@ -256,10 +256,21 @@ check_domains([Dom|Doms]) ->
%% Allow a contract if one of the overloaded contracts is possible.
%% We used to be more strict, e.g., all overloaded contracts had to be
%% possible.
-check_contract_inf_list([FunType|Left], SuccType, Opaques) ->
+check_contract_inf_list(List, SuccType, Opaques) ->
+ case check_contract_inf_list(List, SuccType, Opaques, []) of
+ ok -> ok;
+ {error, []} -> {error, invalid_contract};
+ {error, [{SigRange, ContrRange}|_]} ->
+ case erl_types:t_find_opaque_mismatch(SigRange, ContrRange, Opaques) of
+ error -> {error, invalid_contract};
+ {ok, _T1, T2} -> {error, {opaque_mismatch, T2}}
+ end
+ end.
+
+check_contract_inf_list([{Contract, FunType}|Left], SuccType, Opaques, OM) ->
FunArgs = erl_types:t_fun_args(FunType),
case lists:any(fun erl_types:t_is_none_or_unit/1, FunArgs) of
- true -> check_contract_inf_list(Left, SuccType, Opaques);
+ true -> check_contract_inf_list(Left, SuccType, Opaques, OM);
false ->
STRange = erl_types:t_fun_range(SuccType),
case erl_types:t_is_none_or_unit(STRange) of
@@ -267,13 +278,16 @@ check_contract_inf_list([FunType|Left], SuccType, Opaques) ->
false ->
Range = erl_types:t_fun_range(FunType),
case erl_types:t_is_none(erl_types:t_inf(STRange, Range)) of
- true -> check_contract_inf_list(Left, SuccType, Opaques);
+ true ->
+ CR = erl_types:t_fun_range(Contract),
+ NewOM = [{STRange, CR}|OM],
+ check_contract_inf_list(Left, SuccType, Opaques, NewOM);
false -> ok
end
end
end;
-check_contract_inf_list([], _SuccType, _Opaques) ->
- {error, invalid_contract}.
+check_contract_inf_list([], _SuccType, _Opaques, OM) ->
+ {error, OM}.
check_extraneous([], _SuccType) -> ok;
check_extraneous([C|Cs], SuccType) ->
@@ -687,6 +701,9 @@ get_invalid_contract_warnings_funs([{MFA, {FileLine, Contract, _Xtra}}|Left],
case check_contract(Contract, Sig, Opaques) of
{error, invalid_contract} ->
[invalid_contract_warning(MFA, WarningInfo, Sig, RecDict)|Acc];
+ {error, {opaque_mismatch, T2}} ->
+ W = contract_opaque_warning(MFA, WarningInfo, T2, Sig, RecDict),
+ [W|Acc];
{error, {overlapping_contract, []}} ->
[overlapping_contract_warning(MFA, WarningInfo)|Acc];
{error, {extra_range, ExtraRanges, STRange}} ->
@@ -740,6 +757,12 @@ invalid_contract_warning({M, F, A}, WarningInfo, SuccType, RecDict) ->
SuccTypeStr = dialyzer_utils:format_sig(SuccType, RecDict),
{?WARN_CONTRACT_TYPES, WarningInfo, {invalid_contract, [M, F, A, SuccTypeStr]}}.
+contract_opaque_warning({M, F, A}, WarningInfo, OpType, SuccType, RecDict) ->
+ OpaqueStr = erl_types:t_to_string(OpType),
+ SuccTypeStr = dialyzer_utils:format_sig(SuccType, RecDict),
+ {?WARN_CONTRACT_TYPES, WarningInfo,
+ {contract_with_opaque, [M, F, A, OpaqueStr, SuccTypeStr]}}.
+
overlapping_contract_warning({M, F, A}, WarningInfo) ->
{?WARN_CONTRACT_TYPES, WarningInfo, {overlapping_contract, [M, F, A]}}.
diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl
index c0372a47e8..2bc93220e1 100644
--- a/lib/dialyzer/src/dialyzer_dataflow.erl
+++ b/lib/dialyzer/src/dialyzer_dataflow.erl
@@ -1211,7 +1211,7 @@ handle_tuple(Tree, Map, State) ->
TagVal = cerl:atom_val(Tag),
case state__lookup_record(TagVal, length(Left), State1) of
error -> {State1, Map1, TupleType};
- {ok, RecType} ->
+ {ok, RecType, FieldNames} ->
InfTupleType = t_inf(RecType, TupleType),
case t_is_none(InfTupleType) of
true ->
@@ -1232,10 +1232,13 @@ handle_tuple(Tree, Map, State) ->
Tree, Msg),
{State2, Map1, t_none()};
{error, opaque, ErrorPat, ErrorType, OpaqueType} ->
+ OpaqueStr = format_type(OpaqueType, State1),
+ Name = field_name(Elements, ErrorPat, FieldNames),
Msg = {opaque_match,
- [format_patterns(ErrorPat),
- format_type(ErrorType, State1),
- format_type(OpaqueType, State1)]},
+ ["record field" ++ Name ++
+ " declared to be of type " ++
+ format_type(ErrorType, State1),
+ OpaqueStr, OpaqueStr]},
State2 = state__add_warning(State1, ?WARN_OPAQUE,
Tree, Msg),
{State2, Map1, t_none()};
@@ -1252,6 +1255,15 @@ handle_tuple(Tree, Map, State) ->
end
end.
+field_name(Elements, ErrorPat, FieldNames) ->
+ try
+ [Pat] = ErrorPat,
+ Take = lists:takewhile(fun(X) -> X =/= Pat end, Elements),
+ " " ++ format_atom(lists:nth(length(Take), FieldNames))
+ catch
+ _:_ -> ""
+ end.
+
%%----------------------------------------
%% Clauses
%%
@@ -1632,7 +1644,7 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) ->
TagAtom = cerl:atom_val(Tag),
case state__lookup_record(TagAtom, length(Left), State) of
error -> {false, t_tuple(length(Es))};
- {ok, Record} ->
+ {ok, Record, _FieldNames} ->
[_Head|AnyTail] = [t_any() || _ <- Es],
UntypedRecord = t_tuple([t_atom(TagAtom)|AnyTail]),
{not t_is_equal(Record, UntypedRecord), Record}
@@ -2160,7 +2172,7 @@ handle_guard_is_record(Guard, Map, Env, Eval, State) ->
TupleType =
case state__lookup_record(Tag, ArityMin1, State) of
error -> Tuple;
- {ok, Prototype} -> Prototype
+ {ok, Prototype, _FieldNames} -> Prototype
end,
Type = t_inf(TupleType, RecType, State#state.opaques),
case t_is_none(Type) of
@@ -2610,7 +2622,7 @@ bind_guard_case_clauses(Arg, Clauses, Map0, Env, Eval, State) ->
Map = join_maps_begin(Map0),
{GenMap, GenArgType} = bind_guard(Arg, Map, Env, dont_know, State),
bind_guard_case_clauses(GenArgType, GenMap, Arg, Clauses1, Map, Env, Eval,
- t_none(), [], State).
+ t_none(), [], [], State).
filter_fail_clauses([Clause|Left]) ->
case (cerl:clause_pats(Clause) =:= []) of
@@ -2629,7 +2641,7 @@ filter_fail_clauses([]) ->
[].
bind_guard_case_clauses(GenArgType, GenMap, ArgExpr, [Clause|Left],
- Map, Env, Eval, AccType, AccMaps, State) ->
+ Map, Env, Eval, AccType, AccMaps, Throws, State) ->
Pats = cerl:clause_pats(Clause),
{NewMap0, ArgType} =
case Pats of
@@ -2673,9 +2685,9 @@ bind_guard_case_clauses(GenArgType, GenMap, ArgExpr, [Clause|Left],
case (NewMap1 =:= none) orelse t_is_none(GenArgType) of
true ->
bind_guard_case_clauses(NewGenArgType, GenMap, ArgExpr, Left, Map, Env,
- Eval, AccType, AccMaps, State);
+ Eval, AccType, AccMaps, Throws, State);
false ->
- {NewAccType, NewAccMaps} =
+ {NewAccType, NewAccMaps, NewThrows} =
try
{NewMap2, GuardType} = bind_guard(Guard, NewMap1, Env, pos, State),
case t_is_none(t_inf(t_atom(true), GuardType)) of
@@ -2699,17 +2711,26 @@ bind_guard_case_clauses(GenArgType, GenMap, ArgExpr, [Clause|Left],
dont_know ->
ok
end,
- {t_sup(AccType, CType), [NewMap3|AccMaps]}
+ {t_sup(AccType, CType), [NewMap3|AccMaps], Throws}
catch
- throw:{fail, _What} -> {AccType, AccMaps}
+ throw:{fail, Reason} ->
+ Throws1 = case Reason of
+ none -> Throws;
+ _ -> Throws ++ [Reason]
+ end,
+ {AccType, AccMaps, Throws1}
end,
bind_guard_case_clauses(NewGenArgType, GenMap, ArgExpr, Left, Map, Env,
- Eval, NewAccType, NewAccMaps, State)
+ Eval, NewAccType, NewAccMaps, NewThrows, State)
end;
bind_guard_case_clauses(_GenArgType, _GenMap, _ArgExpr, [], Map, _Env, _Eval,
- AccType, AccMaps, _State) ->
+ AccType, AccMaps, Throws, _State) ->
case t_is_none(AccType) of
- true -> throw({fail, none});
+ true ->
+ case Throws of
+ [Throw|_] -> throw({fail, Throw});
+ [] -> throw({fail, none})
+ end;
false -> {join_maps_end(AccMaps, Map), AccType}
end.
@@ -3207,7 +3228,8 @@ state__lookup_record(Tag, Arity, #state{records = Records}) ->
RecType =
t_tuple([t_atom(Tag)|
[FieldType || {_FieldName, _Abstr, FieldType} <- Fields]]),
- {ok, RecType};
+ FieldNames = [FieldName || {FieldName, _Abstr, _FieldType} <- Fields],
+ {ok, RecType, FieldNames};
error ->
error
end.
@@ -3662,6 +3684,9 @@ map_pats(Pats) ->
fold_literals(TreeList) ->
[cerl:fold_literal(Tree) || Tree <- TreeList].
+format_atom(A) ->
+ format_cerl(cerl:c_atom(A)).
+
type(Tree) ->
Folded = cerl:fold_literal(Tree),
case cerl:type(Folded) of
diff --git a/lib/dialyzer/src/dialyzer_gui_wx.erl b/lib/dialyzer/src/dialyzer_gui_wx.erl
index 30d2bdeca4..4caf64d007 100644
--- a/lib/dialyzer/src/dialyzer_gui_wx.erl
+++ b/lib/dialyzer/src/dialyzer_gui_wx.erl
@@ -2,7 +2,7 @@
%%------------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2009-2015. All Rights Reserved.
+%% Copyright Ericsson AB 2009-2016. All Rights Reserved.
%%
%% Licensed under the Apache License, Version 2.0 (the "License");
%% you may not use this file except in compliance with the License.
@@ -310,7 +310,7 @@ createWarningsMenu() ->
addCheckedItem(WarningsMenu, ?menuID_WARN_FAIL_FUN_CALLS,
"Failing function calls"),
addCheckedItem(WarningsMenu, ?menuID_WARN_BAD_FUN, "Bad fun applications"),
- addCheckedItem(WarningsMenu, ?menuID_WARN_OPAQUE, "Opaqueness violations"),
+ addCheckedItem(WarningsMenu, ?menuID_WARN_OPAQUE, "Opacity violations"),
addCheckedItem(WarningsMenu, ?menuID_WARN_LIST_CONSTR,
"Improper list constructions"),
addCheckedItem(WarningsMenu, ?menuID_WARN_UNUSED_FUN, "Unused functions"),
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-30 22:25:39 +0000