diff options
Diffstat (limited to 'lib/dialyzer')
| -rw-r--r-- | lib/dialyzer/RELEASE_NOTES | 12 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer.erl | 10 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer.hrl | 5 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_cl_parse.erl | 40 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_dataflow.erl | 142 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_options.erl | 1 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_plt.erl | 22 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_succ_typings.erl | 26 | ||||
| -rw-r--r-- | lib/dialyzer/src/dialyzer_utils.erl | 24 | ||||
| -rw-r--r-- | lib/dialyzer/vsn.mk | 2 |
10 files changed, 194 insertions, 90 deletions
diff --git a/lib/dialyzer/RELEASE_NOTES b/lib/dialyzer/RELEASE_NOTES index 3fd5e9cc7d..4e311bb543 100644 --- a/lib/dialyzer/RELEASE_NOTES +++ b/lib/dialyzer/RELEASE_NOTES @@ -3,6 +3,18 @@ (in reversed chronological order) ============================================================================== +Version 2.4.2 (in Erlang/OTP R14B02) +------------------------------------ + - Added --fullpath option to display files with warnings with their full + file names (thanks to Magnus Henoch for the original patch). + - Better handling of 'and'/'or'/'not' guards that generate warnings + (thanks to Stavros Aronis). + - Better blame assignment for cases when a function's spec is erroneous + (thanks to Stavros Aronis). + - More descriptive warnings when a tuple/record pattern contains subterms + that violate the declared types of record fields (thanks to Matthias Lang + for the test case and for Stavros Aronis for the actual fix). + Version 2.4.0 (in Erlang/OTP R14B01) ------------------------------------ - Added ability to supply multiple PLTs for the analysis (option --plts). diff --git a/lib/dialyzer/src/dialyzer.erl b/lib/dialyzer/src/dialyzer.erl index dde0c17c39..5014a4244c 100644 --- a/lib/dialyzer/src/dialyzer.erl +++ b/lib/dialyzer/src/dialyzer.erl @@ -334,6 +334,9 @@ message_to_string({guard_fail, []}) -> "Clause guard cannot succeed.\n"; message_to_string({guard_fail, [Arg1, Infix, Arg2]}) -> io_lib:format("Guard test ~s ~s ~s can never succeed\n", [Arg1, Infix, Arg2]); +message_to_string({neg_guard_fail, [Arg1, Infix, Arg2]}) -> + io_lib:format("Guard test not(~s ~s ~s) can never succeed\n", + [Arg1, Infix, Arg2]); message_to_string({guard_fail, [Guard, Args]}) -> io_lib:format("Guard test ~w~s can never succeed\n", [Guard, Args]); message_to_string({neg_guard_fail, [Guard, Args]}) -> @@ -365,6 +368,9 @@ message_to_string({record_constr, [Name, Field, Type]}) -> message_to_string({record_matching, [String, Name]}) -> io_lib:format("The ~s violates the" " declared type for #~w{}\n", [String, Name]); +message_to_string({record_match, [Pat, Type]}) -> + io_lib:format("Matching of ~s tagged with a record name violates the declared" + " type of ~s\n", [Pat, Type]); message_to_string({pattern_match, [Pat, Type]}) -> io_lib:format("The ~s can never match the type ~s\n", [Pat, Type]); message_to_string({pattern_match_cov, [Pat, Type]}) -> @@ -391,6 +397,10 @@ message_to_string({contract_supertype, [M, F, _A, Contract, Sig]}) -> io_lib:format("Type specification ~w:~w~s" " is a supertype of the success typing: ~w:~w~s\n", [M, F, Contract, M, F, Sig]); +message_to_string({contract_range, [Contract, M, F, ArgStrings, Line, CRet]}) -> + io_lib:format("The contract ~w:~w~s cannot be right because the inferred" + " return for ~w~s on line ~w is ~s\n", + [M, F, Contract, 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]); diff --git a/lib/dialyzer/src/dialyzer.hrl b/lib/dialyzer/src/dialyzer.hrl index aa3f703af2..9d2e554981 100644 --- a/lib/dialyzer/src/dialyzer.hrl +++ b/lib/dialyzer/src/dialyzer.hrl @@ -52,10 +52,11 @@ -define(WARN_CONTRACT_NOT_EQUAL, warn_contract_not_equal). -define(WARN_CONTRACT_SUBTYPE, warn_contract_subtype). -define(WARN_CONTRACT_SUPERTYPE, warn_contract_supertype). +-define(WARN_CONTRACT_RANGE, warn_contract_range). -define(WARN_CALLGRAPH, warn_callgraph). -define(WARN_UNMATCHED_RETURN, warn_umatched_return). -define(WARN_RACE_CONDITION, warn_race_condition). --define(WARN_BEHAVIOUR,warn_behaviour). +-define(WARN_BEHAVIOUR, warn_behaviour). %% %% The following type has double role: @@ -70,7 +71,7 @@ | ?WARN_CONTRACT_NOT_EQUAL | ?WARN_CONTRACT_SUBTYPE | ?WARN_CONTRACT_SUPERTYPE | ?WARN_CALLGRAPH | ?WARN_UNMATCHED_RETURN | ?WARN_RACE_CONDITION - | ?WARN_BEHAVIOUR. + | ?WARN_BEHAVIOUR | ?WARN_CONTRACT_RANGE. %% %% This is the representation of each warning as they will be returned diff --git a/lib/dialyzer/src/dialyzer_cl_parse.erl b/lib/dialyzer/src/dialyzer_cl_parse.erl index b68d6d190e..690ad7b8d3 100644 --- a/lib/dialyzer/src/dialyzer_cl_parse.erl +++ b/lib/dialyzer/src/dialyzer_cl_parse.erl @@ -20,10 +20,8 @@ -module(dialyzer_cl_parse). -%% Avoid warning for local function error/1 clashing with autoimported BIF. --compile({no_auto_import,[error/1]}). -export([start/0, get_lib_dir/1]). --export([collect_args/1]). % used also by typer_options.erl +-export([collect_args/1]). % used also by typer -include("dialyzer.hrl"). @@ -32,9 +30,11 @@ -type dial_cl_parse_ret() :: {'check_init', #options{}} | {'plt_info', #options{}} | {'cl', #options{}} - | {{'gui', 'gs' | 'wx'}, #options{}} + | {{'gui', 'gs' | 'wx'}, #options{}} | {'error', string()}. +-type deep_string() :: string() | [deep_string()]. + %%----------------------------------------------------------------------- -spec start() -> dial_cl_parse_ret(). @@ -82,7 +82,7 @@ cl(["--get_warnings"|T]) -> put(dialyzer_options_get_warnings, true), cl(T); cl(["-D"|_]) -> - error("No defines specified after -D"); + cl_error("No defines specified after -D"); cl(["-D"++Define|T]) -> Def = re:split(Define, "=", [{return, list}]), append_defines(Def), @@ -92,7 +92,7 @@ cl(["-h"|_]) -> cl(["--help"|_]) -> help_message(); cl(["-I"]) -> - error("no include directory specified after -I"); + cl_error("no include directory specified after -I"); cl(["-I", Dir|T]) -> append_include(Dir), cl(T); @@ -113,14 +113,14 @@ cl(["--com"++_|T]) -> NewTail = command_line(T), cl(NewTail); cl(["--output"]) -> - error("No outfile specified"); + cl_error("No outfile specified"); cl(["-o"]) -> - error("No outfile specified"); + cl_error("No outfile specified"); cl(["--output",Output|T]) -> put(dialyzer_output, Output), cl(T); cl(["--output_plt"]) -> - error("No outfile specified for --output_plt"); + cl_error("No outfile specified for --output_plt"); cl(["--output_plt",Output|T]) -> put(dialyzer_output_plt, Output), cl(T); @@ -139,7 +139,7 @@ cl(["--fullpath"|T]) -> cl(["-pa", Path|T]) -> case code:add_patha(Path) of true -> cl(T); - {error, _} -> error("Bad directory for -pa: "++Path) + {error, _} -> cl_error("Bad directory for -pa: " ++ Path) end; cl(["--plt"]) -> error("No plt specified for --plt"); @@ -174,14 +174,14 @@ cl(["--verbose"|T]) -> put(dialyzer_options_report_mode, verbose), cl(T); cl(["-W"|_]) -> - error("-W given without warning"); + cl_error("-W given without warning"); cl(["-Whelp"|_]) -> help_warnings(); cl(["-W"++Warn|T]) -> append_var(dialyzer_warnings, [list_to_atom(Warn)]), cl(T); cl(["--dump_callgraph"]) -> - error("No outfile specified for --dump_callgraph"); + cl_error("No outfile specified for --dump_callgraph"); cl(["--dump_callgraph", File|T]) -> put(dialyzer_callgraph_file, File), cl(T); @@ -197,7 +197,7 @@ cl([H|_] = L) -> NewTail = command_line(L), cl(NewTail); false -> - error("Unknown option: " ++ H) + cl_error("Unknown option: " ++ H) end; cl([]) -> {RetTag, Opts} = @@ -216,7 +216,7 @@ cl([]) -> end end, case dialyzer_options:build(Opts) of - {error, Msg} -> error(Msg); + {error, Msg} -> cl_error(Msg); OptsRecord -> {RetTag, OptsRecord} end. @@ -232,7 +232,9 @@ command_line(T0) -> end, T. -error(Str) -> +-spec cl_error(deep_string()) -> no_return(). + +cl_error(Str) -> Msg = lists:flatten(Str), throw({dialyzer_cl_parse_error, Msg}). @@ -330,11 +332,15 @@ get_plts([], Acc) -> {lists:reverse(Acc), []}. %%----------------------------------------------------------------------- +-spec help_warnings() -> no_return(). + help_warnings() -> S = warning_options_msg(), io:put_chars(S), erlang:halt(?RET_NOTHING_SUSPICIOUS). +-spec help_message() -> no_return(). + help_message() -> S = "Usage: dialyzer [--help] [--version] [--shell] [--quiet] [--verbose] [-pa dir]* [--plt plt] [--plts plt*] [-Ddefine]* @@ -494,13 +500,13 @@ warning_options_msg() -> Include warnings about behaviour callbacks which drift from the published recommended interfaces. -Wunderspecs *** - Warn about underspecified functions + Warn about underspecified functions (those whose -spec is strictly more allowing than the success typing). The following options are also available but their use is not recommended: (they are mostly for Dialyzer developers and internal debugging) -Woverspecs *** - Warn about overspecified functions + Warn about overspecified functions (those whose -spec is strictly less allowing than the success typing). -Wspecdiffs *** Warn when the -spec is different than the success typing. diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl index 2ffbcd3e82..7137dbc036 100644 --- a/lib/dialyzer/src/dialyzer_dataflow.erl +++ b/lib/dialyzer/src/dialyzer_dataflow.erl @@ -2,7 +2,7 @@ %%-------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2010. All Rights Reserved. +%% Copyright Ericsson AB 2006-2011. 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 @@ -657,7 +657,8 @@ handle_apply_or_call([{TypeOfApply, {Fun, Sig, Contr, LocalRet}}|Left], true -> opaque; false -> structured end, - RetWithoutLocal = t_inf(t_inf(ContrRet, BifRet, RetMode), SigRange, RetMode), + RetWithoutContr = t_inf(SigRange, BifRet, RetMode), + RetWithoutLocal = t_inf(ContrRet, RetWithoutContr, RetMode), ?debug("--------------------------------------------------------\n", []), ?debug("Fun: ~p\n", [Fun]), ?debug("Args: ~s\n", [erl_types:t_to_string(t_product(ArgTypes))]), @@ -666,6 +667,7 @@ handle_apply_or_call([{TypeOfApply, {Fun, Sig, Contr, LocalRet}}|Left], [erl_types:t_to_string(t_product(NewArgsContract))]), ?debug("NewArgsBif: ~s\n", [erl_types:t_to_string(t_product(NewArgsBif))]), ?debug("NewArgTypes: ~s\n", [erl_types:t_to_string(t_product(NewArgTypes))]), + ?debug("RetWithoutContr: ~s\n",[erl_types:t_to_string(RetWithoutContr)]), ?debug("RetWithoutLocal: ~s\n", [erl_types:t_to_string(RetWithoutLocal)]), ?debug("BifRet: ~s\n", [erl_types:t_to_string(BifRange(NewArgTypes))]), ?debug("ContrRet: ~s\n", [erl_types:t_to_string(CRange(TmpArgTypes))]), @@ -700,22 +702,39 @@ handle_apply_or_call([{TypeOfApply, {Fun, Sig, Contr, LocalRet}}|Left], State2 = case FailedConj andalso not (IsFailBif orelse IsFailSig) of true -> - FailedSig = any_none(NewArgsSig), - FailedContract = any_none([CRange(TmpArgsContract)|NewArgsContract]), - FailedBif = any_none([BifRange(NewArgsBif)|NewArgsBif]), - InfSig = t_inf(t_fun(SigArgs, SigRange), - t_fun(BifArgs, BifRange(BifArgs))), - FailReason = apply_fail_reason(FailedSig, FailedBif, FailedContract), - Msg = get_apply_fail_msg(Fun, Args, ArgTypes, NewArgTypes, InfSig, - Contr, CArgs, State1, FailReason), - WarnType = case Msg of - {call, _} -> ?WARN_FAILING_CALL; - {apply, _} -> ?WARN_FAILING_CALL; - {call_with_opaque, _} -> ?WARN_OPAQUE; - {call_without_opaque, _} -> ?WARN_OPAQUE; - {opaque_type_test, _} -> ?WARN_OPAQUE - end, - state__add_warning(State1, WarnType, Tree, Msg); + case t_is_none(RetWithoutLocal) andalso + not t_is_none(RetWithoutContr) andalso + not any_none(NewArgTypes) of + true -> + {value, C1} = Contr, + Contract = dialyzer_contracts:contract_to_string(C1), + {M1, F1, A1} = state__lookup_name(Fun, State), + ArgStrings = format_args(Args, ArgTypes, State), + CRet = erl_types:t_to_string(RetWithoutContr), + %% This Msg will be post_processed by dialyzer_succ_typings + Msg = + {contract_range, [Contract, M1, F1, A1, ArgStrings, CRet]}, + state__add_warning(State1, ?WARN_CONTRACT_RANGE, Tree, Msg); + false -> + FailedSig = any_none(NewArgsSig), + FailedContract = + any_none([CRange(TmpArgsContract)|NewArgsContract]), + FailedBif = any_none([BifRange(NewArgsBif)|NewArgsBif]), + InfSig = t_inf(t_fun(SigArgs, SigRange), + t_fun(BifArgs, BifRange(BifArgs))), + FailReason = + apply_fail_reason(FailedSig, FailedBif, FailedContract), + Msg = get_apply_fail_msg(Fun, Args, ArgTypes, NewArgTypes, InfSig, + Contr, CArgs, State1, FailReason), + WarnType = case Msg of + {call, _} -> ?WARN_FAILING_CALL; + {apply, _} -> ?WARN_FAILING_CALL; + {call_with_opaque, _} -> ?WARN_OPAQUE; + {call_without_opaque, _} -> ?WARN_OPAQUE; + {opaque_type_test, _} -> ?WARN_OPAQUE + end, + state__add_warning(State1, WarnType, Tree, Msg) + end; false -> State1 end, State3 = @@ -1350,7 +1369,7 @@ do_clause(C, Arg, ArgType0, OrigArgType, Map, bind_pat_vars(Pats, ArgTypes, [], Map1, State1) end, case BindRes of - {error, BindOrOpaque, NewPats, Type, OpaqueTerm} -> + {error, ErrorType, NewPats, Type, OpaqueTerm} -> ?debug("Failed binding pattern: ~s\nto ~s\n", [cerl_prettypr:format(C), format_type(ArgType0, State1)]), case state__warning_mode(State1) of @@ -1358,8 +1377,9 @@ do_clause(C, Arg, ArgType0, OrigArgType, Map, {State1, Map, t_none(), ArgType0}; true -> PatString = - case BindOrOpaque of + case ErrorType of bind -> format_patterns(Pats); + record -> format_patterns(Pats); opaque -> format_patterns(NewPats) end, {Msg, Force} = @@ -1399,13 +1419,15 @@ do_clause(C, Arg, ArgType0, OrigArgType, Map, false -> true end, - PatTypes = case BindOrOpaque of + PatTypes = case ErrorType of bind -> [PatString, format_type(ArgType0, State1)]; + record -> [PatString, format_type(Type, State1)]; opaque -> [PatString, format_type(Type, State1), format_type(OpaqueTerm, State1)] - end, - FailedMsg = case BindOrOpaque of + end, + FailedMsg = case ErrorType of bind -> {pattern_match, PatTypes}; + record -> {record_match, PatTypes}; opaque -> {opaque_match, PatTypes} end, {FailedMsg, Force0} @@ -1413,6 +1435,7 @@ do_clause(C, Arg, ArgType0, OrigArgType, Map, WarnType = case Msg of {opaque_match, _} -> ?WARN_OPAQUE; {pattern_match, _} -> ?WARN_MATCHING; + {record_match, _} -> ?WARN_MATCHING; {pattern_match_cov, _} -> ?WARN_MATCHING end, {state__add_warning(State1, WarnType, C, Msg, Force), @@ -1506,14 +1529,18 @@ bind_pat_vars(Pats, Types, Acc, Map, State) -> try bind_pat_vars(Pats, Types, Acc, Map, State, false) catch - throw:Error -> Error % Error = {error, bind | opaque, ErrorPats, ErrorType} + throw:Error -> + %% Error = {error, bind | opaque | record, ErrorPats, ErrorType} + Error end. bind_pat_vars_reverse(Pats, Types, Acc, Map, State) -> try bind_pat_vars(Pats, Types, Acc, Map, State, true) catch - throw:Error -> Error % Error = {error, bind | opaque, ErrorPats, ErrorType} + throw:Error -> + %% Error = {error, bind | opaque | record, ErrorPats, ErrorType} + Error end. bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) -> @@ -1568,18 +1595,21 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) -> end; tuple -> Es = cerl:tuple_es(Pat), - Prototype = + {TypedRecord, Prototype} = case Es of - [] -> t_tuple([]); + [] -> {false, t_tuple([])}; [Tag|Left] -> case cerl:is_c_atom(Tag) of true -> TagAtom = cerl:atom_val(Tag), case state__lookup_record(TagAtom, length(Left), State) of - error -> t_tuple(length(Es)); - {ok, Record} -> Record + error -> {false, t_tuple(length(Es))}; + {ok, Record} -> + [_Head|AnyTail] = [t_any() || _ <- Es], + UntypedRecord = t_tuple([t_atom(TagAtom)|AnyTail]), + {not erl_types:t_is_equal(Record, UntypedRecord), Record} end; - false -> t_tuple(length(Es)) + false -> {false, t_tuple(length(Es))} end end, Tuple = t_inf(Prototype, Type), @@ -1604,7 +1634,11 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) -> bind_error([Pat], Tuple, Opaque, opaque); false -> case [M || {M, _} <- Results, M =/= error] of - [] -> bind_error([Pat], Tuple, t_none(), bind); + [] -> + case TypedRecord of + true -> bind_error([Pat], Tuple, Prototype, record); + false -> bind_error([Pat], Tuple, t_none(), bind) + end; Maps -> Map1 = join_maps(Maps, Map), TupleType = t_sup([t_tuple(EsTypes) @@ -2087,7 +2121,10 @@ handle_guard_eq(Guard, Map, Env, Eval, State) -> true -> if Eval =:= pos -> {Map, t_atom(true)}; - Eval =:= neg -> throw({fail, none}); + Eval =:= neg -> + ArgTypes = [t_from_term(cerl:concrete(Arg1)), + t_from_term(cerl:concrete(Arg2))], + signal_guard_fail(Eval, Guard, ArgTypes, State); Eval =:= dont_know -> {Map, t_atom(true)} end; false -> @@ -2142,7 +2179,10 @@ handle_guard_eqeq(Guard, Map, Env, Eval, State) -> {literal, literal} -> case cerl:concrete(Arg1) =:= cerl:concrete(Arg2) of true -> - if Eval =:= neg -> throw({fail, none}); + if Eval =:= neg -> + ArgTypes = [t_from_term(cerl:concrete(Arg1)), + t_from_term(cerl:concrete(Arg2))], + signal_guard_fail(Eval, Guard, ArgTypes, State); Eval =:= pos -> {Map, t_atom(true)}; Eval =:= dont_know -> {Map, t_atom(true)} end; @@ -2217,7 +2257,7 @@ bind_eqeq_guard_lit_other(Guard, Arg1, Arg2, Map, Env, State) -> true -> {Map1, t_atom(true)}; false -> {_, Type0} = bind_guard(Arg2, Map, Env, Eval, State), - signal_guard_fail(Eval, Guard, [Type0, t_atom(true)], State) + signal_guard_fail(Eval, Guard, [Type0, t_atom(false)], State) end; Term -> LitType = t_from_term(Term), @@ -2238,11 +2278,11 @@ handle_guard_and(Guard, Map, Env, Eval, State) -> pos -> {Map1, Type1} = bind_guard(Arg1, Map, Env, Eval, State), case t_is_atom(true, Type1) of - false -> throw({fail, none}); + false -> signal_guard_fail(Eval, Guard, [Type1, t_any()], State); true -> {Map2, Type2} = bind_guard(Arg2, Map1, Env, Eval, State), case t_is_atom(true, Type2) of - false -> throw({fail, none}); + false -> signal_guard_fail(Eval, Guard, [Type1, Type2], State); true -> {Map2, t_atom(true)} end end; @@ -2257,7 +2297,7 @@ handle_guard_and(Guard, Map, Env, Eval, State) -> end, case t_is_atom(false, Type1) orelse t_is_atom(false, Type2) of true -> {join_maps([Map1, Map2], Map), t_atom(false)}; - false -> throw({fail, none}) + false -> signal_guard_fail(Eval, Guard, [Type1, Type2], State) end; dont_know -> {Map1, Type1} = bind_guard(Arg1, Map, Env, dont_know, State), @@ -2297,16 +2337,16 @@ handle_guard_or(Guard, Map, Env, Eval, State) -> orelse (t_is_atom(true, Bool2) andalso t_is_boolean(Bool1))) of true -> {join_maps([Map1, Map2], Map), t_atom(true)}; - false -> throw({fail, none}) + false -> signal_guard_fail(Eval, Guard, [Bool1, Bool2], State) end; neg -> {Map1, Type1} = bind_guard(Arg1, Map, Env, neg, State), case t_is_atom(false, Type1) of - false -> throw({fail, none}); + false -> signal_guard_fail(Eval, Guard, [Type1, t_any()], State); true -> {Map2, Type2} = bind_guard(Arg2, Map1, Env, neg, State), case t_is_atom(false, Type2) of - false -> throw({fail, none}); + false -> signal_guard_fail(Eval, Guard, [Type1, Type2], State); true -> {Map2, t_atom(false)} end end; @@ -2337,13 +2377,17 @@ handle_guard_not(Guard, Map, Env, Eval, State) -> {Map1, Type} = bind_guard(Arg, Map, Env, pos, State), case t_is_atom(true, Type) of true -> {Map1, t_atom(false)}; - false -> throw({fail, none}) + false -> + {_, Type0} = bind_guard(Arg, Map, Env, Eval, State), + signal_guard_fail(Eval, Guard, [Type0], State) end; pos -> {Map1, Type} = bind_guard(Arg, Map, Env, neg, State), case t_is_atom(false, Type) of true -> {Map1, t_atom(true)}; - false -> throw({fail, none}) + false -> + {_, Type0} = bind_guard(Arg, Map, Env, Eval, State), + signal_guard_fail(Eval, Guard, [Type0], State) end; dont_know -> {Map1, Type} = bind_guard(Arg, Map, Env, dont_know, State), @@ -2382,9 +2426,15 @@ signal_guard_fail(Eval, Guard, ArgTypes, State) -> true -> [ArgType1, ArgType2] = ArgTypes, [Arg1, Arg2] = Args, - {guard_fail, [format_args_1([Arg1], [ArgType1], State), - atom_to_list(F), - format_args_1([Arg2], [ArgType2], State)]}; + Kind = + case Eval of + neg -> neg_guard_fail; + pos -> guard_fail; + dont_know -> guard_fail + end, + {Kind, [format_args_1([Arg1], [ArgType1], State), + atom_to_list(F), + format_args_1([Arg2], [ArgType2], State)]}; false -> mk_guard_msg(Eval, F, Args, ArgTypes, State) end, @@ -2767,8 +2817,6 @@ state__new(Callgraph, Tree, Plt, Module, Records, BehaviourTranslations) -> FunTab = init_fun_tab(Funs, dict:new(), TreeMap, Callgraph, Plt, Opaques), Work = init_work([get_label(Tree)]), Env = dict:store(top, map__new(), dict:new()), - Opaques = erl_types:module_builtin_opaques(Module) ++ - erl_types:t_opaque_from_records(Records), #state{callgraph = Callgraph, envs = Env, fun_tab = FunTab, opaques = Opaques, plt = Plt, races = dialyzer_races:new(), records = Records, warning_mode = false, warnings = [], work = Work, tree_map = TreeMap, diff --git a/lib/dialyzer/src/dialyzer_options.erl b/lib/dialyzer/src/dialyzer_options.erl index 29e164628a..b2a67de8bd 100644 --- a/lib/dialyzer/src/dialyzer_options.erl +++ b/lib/dialyzer/src/dialyzer_options.erl @@ -47,6 +47,7 @@ build(Opts) -> ?WARN_FAILING_CALL, ?WARN_BIN_CONSTRUCTION, ?WARN_CALLGRAPH, + ?WARN_CONTRACT_RANGE, ?WARN_CONTRACT_TYPES, ?WARN_CONTRACT_SYNTAX], DefaultWarns1 = ordsets:from_list(DefaultWarns), diff --git a/lib/dialyzer/src/dialyzer_plt.erl b/lib/dialyzer/src/dialyzer_plt.erl index a7ba270c41..807c9af44f 100644 --- a/lib/dialyzer/src/dialyzer_plt.erl +++ b/lib/dialyzer/src/dialyzer_plt.erl @@ -28,8 +28,6 @@ %%%------------------------------------------------------------------- -module(dialyzer_plt). -%% Avoid warning for local function error/1 clashing with autoimported BIF. --compile({no_auto_import,[error/1]}). -export([check_plt/3, compute_md5_from_files/1, contains_mfa/2, @@ -56,8 +54,7 @@ plt_and_info_from_file/1, get_specs/1, get_specs/4, - to_file/4 - ]). + to_file/4]). %% Debug utilities -export([pp_non_returning/0, pp_mod/1]). @@ -68,6 +65,8 @@ -type mod_deps() :: dict(). +-type deep_string() :: string() | [deep_string()]. + %% The following are used for searching the PLT when using the GUI %% (e.g. in show or search PLT contents). The user might be searching %% with a partial specification, in which case the missing items @@ -203,8 +202,8 @@ get_default_plt() -> false -> case os:getenv("HOME") of false -> - error("The HOME environment variable needs to be set " ++ - "so that Dialyzer knows where to find the default PLT"); + plt_error("The HOME environment variable needs to be set " ++ + "so that Dialyzer knows where to find the default PLT"); HomeDir -> filename:join(HomeDir, ".dialyzer_plt") end; UserSpecPlt -> UserSpecPlt @@ -226,7 +225,7 @@ from_file(FileName, ReturnInfo) -> case check_version(Rec) of error -> Msg = io_lib:format("Old PLT file ~s\n", [FileName]), - error(Msg); + plt_error(Msg); ok -> Plt = #plt{info = Rec#file_plt.info, types = Rec#file_plt.types, @@ -241,8 +240,9 @@ from_file(FileName, ReturnInfo) -> end end; {error, Reason} -> - error(io_lib:format("Could not read PLT file ~s: ~p\n", - [FileName, Reason])) + Msg = io_lib:format("Could not read PLT file ~s: ~p\n", + [FileName, Reason]), + plt_error(Msg) end. -type err_rsn() :: 'not_valid' | 'no_such_file' | 'read_error'. @@ -518,7 +518,9 @@ expand_args([ArgType|Left]) -> end ++ ","|expand_args(Left)]. -error(Msg) -> +-spec plt_error(deep_string()) -> no_return(). + +plt_error(Msg) -> throw({dialyzer_error, lists:flatten(Msg)}). %%--------------------------------------------------------------------------- diff --git a/lib/dialyzer/src/dialyzer_succ_typings.erl b/lib/dialyzer/src/dialyzer_succ_typings.erl index 8bfc66fc39..daf68d24f0 100644 --- a/lib/dialyzer/src/dialyzer_succ_typings.erl +++ b/lib/dialyzer/src/dialyzer_succ_typings.erl @@ -131,8 +131,9 @@ get_warnings_from_modules([M|Ms], State, DocPlt, %% Check if there are contracts for functions that do not exist Warnings1 = dialyzer_contracts:contracts_without_fun(Contracts, AllFuns, Callgraph), - {Warnings2, FunTypes, RaceCode, PublicTables, NamedTables} = + {RawWarnings2, FunTypes, RaceCode, PublicTables, NamedTables} = dialyzer_dataflow:get_warnings(ModCode, Plt, Callgraph, Records, NoWarnUnused), + {NewAcc, Warnings2} = postprocess_dataflow_warns(RawWarnings2, State, Acc), Attrs = cerl:module_attrs(ModCode), Warnings3 = if BehavioursChk -> dialyzer_behaviours:check_callbacks(M, Attrs, @@ -145,10 +146,31 @@ get_warnings_from_modules([M|Ms], State, DocPlt, NamedTables), State1 = st__renew_state_calls(NewCallgraph, State), get_warnings_from_modules(Ms, State1, NewDocPlt, BehavioursChk, - [Warnings1, Warnings2, Warnings3|Acc]); + [Warnings1, Warnings2, Warnings3|NewAcc]); get_warnings_from_modules([], #st{plt = Plt}, DocPlt, _, Acc) -> {lists:flatten(Acc), Plt, DocPlt}. +postprocess_dataflow_warns(RawWarnings, State, WarnAcc) -> + postprocess_dataflow_warns(RawWarnings, State, WarnAcc, []). + +postprocess_dataflow_warns([], _State, WAcc, Acc) -> + {WAcc, lists:reverse(Acc)}; +postprocess_dataflow_warns([{?WARN_CONTRACT_RANGE, {File, CallL}, Msg}|Rest], + #st{codeserver = Codeserver} = State, WAcc, Acc) -> + {contract_range, [Contract, M, F, A, ArgStrings, CRet]} = Msg, + {ok, {{File, _ContrL} = FileLine, _C}} = + dialyzer_codeserver:lookup_mfa_contract({M,F,A}, Codeserver), + NewMsg = + {contract_range, [Contract, M, F, ArgStrings, CallL, CRet]}, + W = {?WARN_CONTRACT_RANGE, FileLine, NewMsg}, + Filter = + fun({?WARN_CONTRACT_TYPES, FL, _}) when FL =:= FileLine -> false; + (_) -> true + end, + postprocess_dataflow_warns(Rest, State, lists:filter(Filter, WAcc), [W|Acc]); +postprocess_dataflow_warns([W|Rest], State, Wacc, Acc) -> + postprocess_dataflow_warns(Rest, State, Wacc, [W|Acc]). + refine_succ_typings(ModulePostorder, State) -> ?debug("Module postorder: ~p\n", [ModulePostorder]), refine_succ_typings(ModulePostorder, State, []). diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl index 248fdf6835..12f8dec67e 100644 --- a/lib/dialyzer/src/dialyzer_utils.erl +++ b/lib/dialyzer/src/dialyzer_utils.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2010. All Rights Reserved. +%% Copyright Ericsson AB 2006-2011. 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 @@ -214,14 +214,13 @@ get_record_and_type_info([], _Module, Records, RecDict) -> ?debug(_NewRecDict), Ok; {error, Name, Error} -> - {error, lists:flatten(io_lib:format(" Error while parsing #~w{}: ~s\n", - [Name, Error]))} + {error, flat_format(" Error while parsing #~w{}: ~s\n", [Name, Error])} end. add_new_type(TypeOrOpaque, Name, TypeForm, ArgForms, Module, RecDict) -> case erl_types:type_is_defined(TypeOrOpaque, Name, RecDict) of true -> - throw({error, io_lib:format("Type already defined: ~w\n", [Name])}); + throw({error, flat_format("Type ~s already defined\n", [Name])}); false -> ArgTypes = [erl_types:t_from_form(X) || X <- ArgForms], case lists:all(fun erl_types:t_is_var/1, ArgTypes) of @@ -229,8 +228,8 @@ add_new_type(TypeOrOpaque, Name, TypeForm, ArgForms, Module, RecDict) -> ArgNames = [erl_types:t_var_name(X) || X <- ArgTypes], dict:store({TypeOrOpaque, Name}, {Module, TypeForm, ArgNames}, RecDict); false -> - throw({error, io_lib:format("Type declaration for ~w does not " - "have variables as parameters", [Name])}) + throw({error, flat_format("Type declaration for ~w does not " + "have variables as parameters", [Name])}) end end. @@ -338,14 +337,14 @@ get_spec_info([{attribute, Ln, spec, {Id, TypeSpec}}|Left], get_spec_info(Left, NewSpecDict, RecordsDict, ModName, File); {ok, {{OtherFile, L},_C}} -> {Mod, Fun, Arity} = MFA, - Msg = io_lib:format(" Contract for function ~w:~w/~w " - "already defined in ~s:~w\n", - [Mod, Fun, Arity, OtherFile, L]), + Msg = flat_format(" Contract for function ~w:~w/~w " + "already defined in ~s:~w\n", + [Mod, Fun, Arity, OtherFile, L]), throw({error, Msg}) catch throw:{error, Error} -> - {error, lists:flatten(io_lib:format(" Error while parsing contract " - "in line ~w: ~s\n", [Ln, Error]))} + {error, flat_format(" Error while parsing contract in line ~w: ~s\n", + [Ln, Error])} end; get_spec_info([{attribute, _, file, {IncludeFile, _}}|Left], SpecDict, RecordsDict, ModName, _File) -> @@ -419,6 +418,9 @@ format_sig(Type, RecDict) -> ")" ++ RevSig = lists:reverse(Sig), lists:reverse(RevSig). +flat_format(Fmt, Lst) -> + lists:flatten(io_lib:format(Fmt, Lst)). + %%------------------------------------------------------------------- %% Author : Per Gustafsson <[email protected]> %% Description : Provides better printing of binaries. diff --git a/lib/dialyzer/vsn.mk b/lib/dialyzer/vsn.mk index b2902e95ed..53b6f8c553 100644 --- a/lib/dialyzer/vsn.mk +++ b/lib/dialyzer/vsn.mk @@ -1 +1 @@ -DIALYZER_VSN = 2.4.0 +DIALYZER_VSN = 2.4.2 |