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-rw-r--r--lib/dialyzer/src/dialyzer.app.src5
-rw-r--r--lib/dialyzer/src/dialyzer.erl16
-rw-r--r--lib/dialyzer/src/dialyzer.hrl15
-rw-r--r--lib/dialyzer/src/dialyzer_cl.erl50
-rw-r--r--lib/dialyzer/src/dialyzer_contracts.erl78
-rw-r--r--lib/dialyzer/src/dialyzer_dep.erl4
-rw-r--r--lib/dialyzer/src/dialyzer_gui_wx.erl2
-rw-r--r--lib/dialyzer/src/dialyzer_options.erl7
-rw-r--r--lib/dialyzer/src/dialyzer_races.erl12
9 files changed, 152 insertions, 37 deletions
diff --git a/lib/dialyzer/src/dialyzer.app.src b/lib/dialyzer/src/dialyzer.app.src
index 0d048b607e..1756800c4f 100644
--- a/lib/dialyzer/src/dialyzer.app.src
+++ b/lib/dialyzer/src/dialyzer.app.src
@@ -44,4 +44,7 @@
dialyzer_worker]},
{registered, []},
{applications, [compiler, gs, hipe, kernel, stdlib, wx]},
- {env, []}]}.
+ {env, []},
+ {runtime_dependencies, ["wx-1.2","syntax_tools-1.6.14","stdlib-2.0",
+ "kernel-3.0","hipe-3.10.3","erts-6.0",
+ "compiler-5.0"]}]}.
diff --git a/lib/dialyzer/src/dialyzer.erl b/lib/dialyzer/src/dialyzer.erl
index bb7e39dfda..cec94a49fd 100644
--- a/lib/dialyzer/src/dialyzer.erl
+++ b/lib/dialyzer/src/dialyzer.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2013. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2014. 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
@@ -172,7 +172,7 @@ run(Opts) ->
end,
case dialyzer_cl:start(OptsRecord) of
{?RET_DISCREPANCIES, Warnings} -> Warnings;
- {?RET_NOTHING_SUSPICIOUS, []} -> []
+ {?RET_NOTHING_SUSPICIOUS, _} -> []
end
catch
throw:{dialyzer_error, ErrorMsg} ->
@@ -447,7 +447,6 @@ message_to_string({opaque_size, [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",
[M, F, Args, Culprit, OpaqueType]);
-
%%----- Warnings for concurrency errors --------------------
message_to_string({race_condition, [M, F, Args, Reason]}) ->
io_lib:format("The call ~w:~w~s ~s\n", [M, F, Args, Reason]);
@@ -474,7 +473,14 @@ message_to_string({callback_missing, [B, F, A]}) ->
io_lib:format("Undefined callback function ~w/~w (behaviour '~w')\n",
[F, A, B]);
message_to_string({callback_info_missing, [B]}) ->
- io_lib:format("Callback info about the ~w behaviour is not available\n", [B]).
+ io_lib:format("Callback info about the ~w behaviour is not available\n", [B]);
+%%----- Warnings for unknown functions, types, and behaviours -------------
+message_to_string({unknown_type, {M, F, A}}) ->
+ io_lib:format("Unknown type ~w:~w/~w", [M, F, A]);
+message_to_string({unknown_function, {M, F, A}}) ->
+ io_lib:format("Unknown function ~w:~w/~w", [M, F, A]);
+message_to_string({unknown_behaviour, B}) ->
+ io_lib:format("Unknown behaviour ~w", [B]).
%%-----------------------------------------------------------------------------
%% Auxiliary functions below
@@ -557,4 +563,4 @@ form_position_string(ArgNs) ->
ordinal(1) -> "1st";
ordinal(2) -> "2nd";
ordinal(3) -> "3rd";
-ordinal(N) when is_integer(N) -> io_lib:format("~wth",[N]).
+ordinal(N) when is_integer(N) -> io_lib:format("~wth", [N]).
diff --git a/lib/dialyzer/src/dialyzer.hrl b/lib/dialyzer/src/dialyzer.hrl
index 105a174e31..9a25f86512 100644
--- a/lib/dialyzer/src/dialyzer.hrl
+++ b/lib/dialyzer/src/dialyzer.hrl
@@ -2,7 +2,7 @@
%%%
%%% %CopyrightBegin%
%%%
-%%% Copyright Ericsson AB 2006-2012. All Rights Reserved.
+%%% Copyright Ericsson AB 2006-2014. 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
@@ -58,6 +58,7 @@
-define(WARN_RACE_CONDITION, warn_race_condition).
-define(WARN_BEHAVIOUR, warn_behaviour).
-define(WARN_UNDEFINED_CALLBACK, warn_undefined_callbacks).
+-define(WARN_UNKNOWN, warn_unknown).
%%
%% The following type has double role:
@@ -73,7 +74,7 @@
| ?WARN_CONTRACT_SUPERTYPE | ?WARN_CALLGRAPH
| ?WARN_UNMATCHED_RETURN | ?WARN_RACE_CONDITION
| ?WARN_BEHAVIOUR | ?WARN_CONTRACT_RANGE
- | ?WARN_UNDEFINED_CALLBACK.
+ | ?WARN_UNDEFINED_CALLBACK | ?WARN_UNKNOWN.
%%
%% This is the representation of each warning as they will be returned
@@ -88,12 +89,6 @@
-type dial_error() :: any(). %% XXX: underspecified
%%--------------------------------------------------------------------
-%% THIS TYPE SHOULD ONE DAY DISAPPEAR -- IT DOES NOT BELONG HERE
-%%--------------------------------------------------------------------
-
--type ordset(T) :: [T] . %% XXX: temporarily
-
-%%--------------------------------------------------------------------
%% Basic types used either in the record definitions below or in other
%% parts of the application
%%--------------------------------------------------------------------
@@ -143,7 +138,7 @@
init_plts = [] :: [file:filename()],
include_dirs = [] :: [file:filename()],
output_plt = none :: 'none' | file:filename(),
- legal_warnings = ordsets:new() :: ordset(dial_warn_tag()),
+ legal_warnings = ordsets:new() :: ordsets:ordset(dial_warn_tag()),
report_mode = normal :: rep_mode(),
erlang_mode = false :: boolean(),
use_contracts = true :: boolean(),
@@ -167,4 +162,4 @@
dialyzer_timing:end_stamp(Server),
Var
end).
--define(timing(Server, Msg, Expr),?timing(Server, Msg, _T, Expr)).
+-define(timing(Server, Msg, Expr), ?timing(Server, Msg, _T, Expr)).
diff --git a/lib/dialyzer/src/dialyzer_cl.erl b/lib/dialyzer/src/dialyzer_cl.erl
index 3e68d64d53..e013d39a0e 100644
--- a/lib/dialyzer/src/dialyzer_cl.erl
+++ b/lib/dialyzer/src/dialyzer_cl.erl
@@ -504,7 +504,9 @@ hipe_compile(Files, #options{erlang_mode = ErlangMode} = Options) ->
_ ->
Mods = [lists, dict, digraph, digraph_utils, ets,
gb_sets, gb_trees, ordsets, sets, sofs,
- cerl, cerl_trees, erl_types, erl_bif_types,
+ %cerl, % uses maps instructions
+ %erl_types, % uses maps instructions
+ cerl_trees, erl_bif_types,
dialyzer_analysis_callgraph, dialyzer, dialyzer_behaviours,
dialyzer_codeserver, dialyzer_contracts,
dialyzer_coordinator, dialyzer_dataflow, dialyzer_dep,
@@ -533,7 +535,7 @@ hc(Mod) ->
case code:is_module_native(Mod) of
true -> ok;
false ->
- %% io:format(" ~s", [Mod]),
+ %% io:format(" ~w", [Mod]),
{ok, Mod} = hipe:c(Mod),
ok
end.
@@ -656,7 +658,8 @@ return_value(State = #cl_state{erlang_mode = ErlangMode,
mod_deps = ModDeps,
output_plt = OutputPlt,
plt_info = PltInfo,
- stored_warnings = StoredWarnings},
+ stored_warnings = StoredWarnings,
+ legal_warnings = LegalWarnings},
Plt) ->
case OutputPlt =:= none of
true -> ok;
@@ -676,16 +679,33 @@ return_value(State = #cl_state{erlang_mode = ErlangMode,
maybe_close_output_file(State),
{RetValue, []};
true ->
- {RetValue, process_warnings(StoredWarnings)}
+ Unknown =
+ case ordsets:is_element(?WARN_UNKNOWN, LegalWarnings) of
+ true ->
+ unknown_functions(State) ++
+ unknown_types(State) ++
+ unknown_behaviours(State);
+ false -> []
+ end,
+ UnknownWarnings =
+ [{?WARN_UNKNOWN, {_Filename = "", _Line = 0}, W} || W <- Unknown],
+ AllWarnings =
+ UnknownWarnings ++ process_warnings(StoredWarnings),
+ {RetValue, AllWarnings}
end.
+unknown_functions(#cl_state{external_calls = Calls}) ->
+ [{unknown_function, MFA} || MFA <- Calls].
+
print_ext_calls(#cl_state{report_mode = quiet}) ->
ok;
print_ext_calls(#cl_state{output = Output,
external_calls = Calls,
stored_warnings = Warnings,
- output_format = Format}) ->
- case Calls =:= [] of
+ output_format = Format,
+ legal_warnings = LegalWarnings}) ->
+ case not ordsets:is_element(?WARN_UNKNOWN, LegalWarnings)
+ orelse Calls =:= [] of
true -> ok;
false ->
case Warnings =:= [] of
@@ -708,14 +728,19 @@ do_print_ext_calls(Output, [{M,F,A}|T], Before) ->
do_print_ext_calls(_, [], _) ->
ok.
+unknown_types(#cl_state{external_types = Types}) ->
+ [{unknown_type, MFA} || MFA <- Types].
+
print_ext_types(#cl_state{report_mode = quiet}) ->
ok;
print_ext_types(#cl_state{output = Output,
external_calls = Calls,
external_types = Types,
stored_warnings = Warnings,
- output_format = Format}) ->
- case Types =:= [] of
+ output_format = Format,
+ legal_warnings = LegalWarnings}) ->
+ case not ordsets:is_element(?WARN_UNKNOWN, LegalWarnings)
+ orelse Types =:= [] of
true -> ok;
false ->
case Warnings =:= [] andalso Calls =:= [] of
@@ -738,6 +763,15 @@ do_print_ext_types(Output, [{M,F,A}|T], Before) ->
do_print_ext_types(_, [], _) ->
ok.
+unknown_behaviours(#cl_state{unknown_behaviours = DupBehaviours,
+ legal_warnings = LegalWarnings}) ->
+ case ordsets:is_element(?WARN_BEHAVIOUR, LegalWarnings) of
+ false -> [];
+ true ->
+ Behaviours = lists:usort(DupBehaviours),
+ [{unknown_behaviour, B} || B <- Behaviours]
+ end.
+
%%print_unknown_behaviours(#cl_state{report_mode = quiet}) ->
%% ok;
print_unknown_behaviours(#cl_state{output = Output,
diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl
index 46eaeaa303..283031eb9a 100644
--- a/lib/dialyzer/src/dialyzer_contracts.erl
+++ b/lib/dialyzer/src/dialyzer_contracts.erl
@@ -20,6 +20,8 @@
-module(dialyzer_contracts).
+-compile(export_all).
+
-export([check_contract/2,
check_contracts/4,
contracts_without_fun/3,
@@ -439,7 +441,8 @@ contract_from_form([], _RecDict, _FileLine, TypeAcc, FormAcc) ->
{lists:reverse(TypeAcc), lists:reverse(FormAcc)}.
process_constraints(Constrs, RecDict, ExpTypes, AllRecords) ->
- Init = initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords),
+ Init0 = initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords),
+ Init = remove_cycles(Init0),
constraints_fixpoint(Init, RecDict, ExpTypes, AllRecords).
initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords) ->
@@ -479,12 +482,9 @@ constraints_fixpoint(OldVarDict, Constrs, RecDict, ExpTypes, AllRecords) ->
constraints_fixpoint(NewVarDict, Constrs, RecDict, ExpTypes, AllRecords)
end.
--define(TYPE_LIMIT, 4).
-
final_form(Form, RecDict, ExpTypes, AllRecords, VarDict) ->
T1 = erl_types:t_from_form(Form, RecDict, VarDict),
- T2 = erl_types:t_solve_remote(T1, ExpTypes, AllRecords),
- erl_types:t_limit(T2, ?TYPE_LIMIT).
+ erl_types:t_solve_remote(T1, ExpTypes, AllRecords).
constraints_to_dict(Constrs, RecDict, ExpTypes, AllRecords, VarDict) ->
Subtypes =
@@ -499,6 +499,74 @@ constraints_to_subs([C|Rest], RecDict, ExpTypes, AllRecords, VarDict, Acc) ->
NewAcc = [{subtype, T1, T2}|Acc],
constraints_to_subs(Rest, RecDict, ExpTypes, AllRecords, VarDict, NewAcc).
+%% Replaces variables with '_' when necessary to break up cycles among
+%% the constraints.
+
+remove_cycles(Constrs0) ->
+ Uses = find_uses(Constrs0),
+ G = digraph:new(),
+ Vs0 = [V || {V, _} <- Uses] ++ [V || {_, V} <- Uses],
+ Vs = lists:usort(Vs0),
+ lists:foreach(fun(V) -> _ = digraph:add_vertex(G, V) end, Vs),
+ lists:foreach(fun({From, To}) ->
+ _ = digraph:add_edge(G, {From, To}, From, To, [])
+ end, Uses),
+ ok = remove_cycles(G, Vs),
+ ToRemove = ordsets:subtract(ordsets:from_list(Uses),
+ ordsets:from_list(digraph:edges(G))),
+ Constrs = remove_uses(ToRemove, Constrs0),
+ digraph:delete(G),
+ Constrs.
+
+find_uses([{Var, Form}|Constrs]) ->
+ UsedVars = form_vars(Form, []),
+ VarName = erl_types:t_var_name(Var),
+ [{VarName, UsedVar} || UsedVar <- UsedVars] ++ find_uses(Constrs);
+find_uses([]) ->
+ [].
+
+form_vars({var, _, '_'}, Vs) -> Vs;
+form_vars({var, _, V}, Vs) -> [V|Vs];
+form_vars(T, Vs) when is_tuple(T) ->
+ form_vars(tuple_to_list(T), Vs);
+form_vars([E|Es], Vs) ->
+ form_vars(Es, form_vars(E, Vs));
+form_vars(_, Vs) -> Vs.
+
+remove_cycles(G, Vs) ->
+ NumberOfEdges = digraph:no_edges(G),
+ lists:foreach(fun(V) ->
+ case digraph:get_cycle(G, V) of
+ false -> true;
+ [V] -> digraph:del_edge(G, {V, V});
+ [V, V1|_] -> digraph:del_edge(G, {V, V1})
+ end
+ end, Vs),
+ case digraph:no_edges(G) =:= NumberOfEdges of
+ true -> ok;
+ false -> remove_cycles(G, Vs)
+ end.
+
+remove_uses([], Constrs) -> Constrs;
+remove_uses([{Var, Use}|ToRemove], Constrs0) ->
+ Constrs = remove_uses(Var, Use, Constrs0),
+ remove_uses(ToRemove, Constrs).
+
+remove_uses(_Var, _Use, []) -> [];
+remove_uses(Var, Use, [Constr|Constrs]) ->
+ {V, Form} = Constr,
+ case erl_types:t_var_name(V) =:= Var of
+ true -> [{V, remove_use(Form, Use)}|Constrs];
+ false -> [Constr|remove_uses(Var, Use, Constrs)]
+ end.
+
+remove_use({var, L, V}, V) -> {var, L, '_'};
+remove_use(T, V) when is_tuple(T) ->
+ list_to_tuple(remove_use(tuple_to_list(T), V));
+remove_use([E|Es], V) ->
+ [remove_use(E, V)|remove_use(Es, V)];
+remove_use(T, _V) -> T.
+
%% Gets the most general domain of a list of domains of all
%% the overloaded contracts
diff --git a/lib/dialyzer/src/dialyzer_dep.erl b/lib/dialyzer/src/dialyzer_dep.erl
index f1ac41ff04..e3ece144c9 100644
--- a/lib/dialyzer/src/dialyzer_dep.erl
+++ b/lib/dialyzer/src/dialyzer_dep.erl
@@ -55,11 +55,11 @@
%%
%% Letrecs = a dict mapping var labels to their recursive definition.
%% top-level letrecs are not included as they are handled
-%% separatedly.
+%% separately.
%%
-spec analyze(cerl:c_module()) ->
- {dict:dict(), ordset('external' | label()), dict:dict(), dict:dict()}.
+ {dict:dict(), ordsets:ordset('external' | label()), dict:dict(), dict:dict()}.
analyze(Tree) ->
%% io:format("Handling ~w\n", [cerl:atom_val(cerl:module_name(Tree))]),
diff --git a/lib/dialyzer/src/dialyzer_gui_wx.erl b/lib/dialyzer/src/dialyzer_gui_wx.erl
index 08f31c1e13..7070fa240d 100644
--- a/lib/dialyzer/src/dialyzer_gui_wx.erl
+++ b/lib/dialyzer/src/dialyzer_gui_wx.erl
@@ -61,7 +61,7 @@
init_plt :: dialyzer_plt:plt(),
dir_entry :: wx:wx_object(),
file_box :: wx:wx_object(),
- files_to_analyze :: ordset(string()),
+ files_to_analyze :: ordsets:ordset(string()),
gui :: wx:wx_object(),
log :: wx:wx_object(),
menu :: menu(),
diff --git a/lib/dialyzer/src/dialyzer_options.erl b/lib/dialyzer/src/dialyzer_options.erl
index 06672e595f..a92b8b1958 100644
--- a/lib/dialyzer/src/dialyzer_options.erl
+++ b/lib/dialyzer/src/dialyzer_options.erl
@@ -2,7 +2,7 @@
%%-----------------------------------------------------------------------
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 2006-2012. All Rights Reserved.
+%% Copyright Ericsson AB 2006-2014. 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
@@ -51,7 +51,8 @@ build(Opts) ->
?WARN_CONTRACT_TYPES,
?WARN_CONTRACT_SYNTAX,
?WARN_BEHAVIOUR,
- ?WARN_UNDEFINED_CALLBACK],
+ ?WARN_UNDEFINED_CALLBACK,
+ ?WARN_UNKNOWN],
DefaultWarns1 = ordsets:from_list(DefaultWarns),
InitPlt = dialyzer_plt:get_default_plt(),
DefaultOpts = #options{},
@@ -310,6 +311,8 @@ build_warnings([Opt|Opts], Warnings) ->
ordsets:add_element(?WARN_CONTRACT_SUBTYPE, Warnings);
underspecs ->
ordsets:add_element(?WARN_CONTRACT_SUPERTYPE, Warnings);
+ no_unknown ->
+ ordsets:del_element(?WARN_UNKNOWN, Warnings);
OtherAtom ->
bad_option("Unknown dialyzer warning option", OtherAtom)
end,
diff --git a/lib/dialyzer/src/dialyzer_races.erl b/lib/dialyzer/src/dialyzer_races.erl
index 48fcde8014..b1f849b16f 100644
--- a/lib/dialyzer/src/dialyzer_races.erl
+++ b/lib/dialyzer/src/dialyzer_races.erl
@@ -85,6 +85,12 @@
-type race_tag() :: 'whereis_register' | 'whereis_unregister'
| 'ets_lookup_insert' | 'mnesia_dirty_read_write'.
+%% The following type is similar to the dial_warning() type but has a
+%% tag which is local to this module and is not propagated to outside
+-type dial_race_warning() :: {race_warn_tag(), file_line(), {atom(), [term()]}}.
+-type race_warn_tag() :: ?WARN_WHEREIS_REGISTER | ?WARN_WHEREIS_UNREGISTER
+ | ?WARN_ETS_LOOKUP_INSERT | ?WARN_MNESIA_DIRTY_READ_WRITE.
+
-record(beg_clause, {arg :: var_to_map1(),
pats :: var_to_map1(),
guard :: cerl:cerl()}).
@@ -103,7 +109,7 @@
args :: args(),
arg_types :: [erl_types:erl_type()],
vars :: [core_vars()],
- state :: _, %% XXX: recursive
+ state :: dialyzer_dataflow:state(),
file_line :: file_line(),
var_map :: dict:dict()}).
-record(fun_call, {caller :: dialyzer_callgraph:mfa_or_funlbl(),
@@ -141,7 +147,7 @@
race_tags = [] :: [#race_fun{}],
%% true for fun types and warning mode
race_analysis = false :: boolean(),
- race_warnings = [] :: [dial_warning()]}).
+ race_warnings = [] :: [dial_race_warning()]}).
%%% ===========================================================================
%%%
@@ -1763,7 +1769,7 @@ ets_list_args(MaybeList) ->
catch _:_ -> [?no_label]
end;
false -> [ets_tuple_args(MaybeList)]
- end.
+ end.
ets_list_argtypes(ListStr) ->
ListStr1 = string:strip(ListStr, left, $[),