diff options
Diffstat (limited to 'lib/dialyzer/src/dialyzer.erl')
-rw-r--r-- | lib/dialyzer/src/dialyzer.erl | 99 |
1 files changed, 68 insertions, 31 deletions
diff --git a/lib/dialyzer/src/dialyzer.erl b/lib/dialyzer/src/dialyzer.erl index 3b7b68e8c4..5014a4244c 100644 --- a/lib/dialyzer/src/dialyzer.erl +++ b/lib/dialyzer/src/dialyzer.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 @@ -33,12 +33,13 @@ %% NOTE: Only functions exported by this module are available to %% other applications. %%-------------------------------------------------------------------- --export([plain_cl/0, - run/1, +-export([plain_cl/0, + run/1, gui/0, gui/1, plt_info/1, - format_warning/1]). + format_warning/1, + format_warning/2]). -include("dialyzer.hrl"). @@ -48,6 +49,8 @@ %% - run/1: Erlang interface for a command line-like analysis %% - gui/0/1: Erlang interface for the gui. %% - format_warning/1: Get the string representation of a warning. +%% - format_warning/1: Likewise, but with an option whether +%% to display full path names or not %% - plt_info/1: Get information of the specified plt. %%-------------------------------------------------------------------- @@ -55,7 +58,7 @@ plain_cl() -> case dialyzer_cl_parse:start() of - {check_init, Opts} -> + {check_init, Opts} -> cl_halt(cl_check_init(Opts), Opts); {plt_info, Opts} -> cl_halt(cl_print_plt_info(Opts), Opts); @@ -72,7 +75,7 @@ plain_cl() -> false -> gui_halt(internal_gui(Type, Opts), Opts) end; - {cl, Opts} -> + {cl, Opts} -> case Opts#options.check_plt of true -> case cl_check_init(Opts#options{get_warnings = false}) of @@ -82,7 +85,7 @@ plain_cl() -> false -> cl_halt(cl(Opts), Opts) end; - {error, Msg} -> + {error, Msg} -> cl_error(Msg) end. @@ -106,27 +109,35 @@ cl_print_plt_info(Opts) -> end, doit(F). -print_plt_info(#options{init_plt = PLT, output_file = OutputFile}) -> +print_plt_info(#options{init_plts = PLTs, output_file = OutputFile}) -> + PLTInfo = get_plt_info(PLTs), + do_print_plt_info(PLTInfo, OutputFile). + +get_plt_info([PLT|PLTs]) -> String = case dialyzer_plt:included_files(PLT) of {ok, Files} -> - io_lib:format("The PLT ~s includes the following files:\n~p\n", + io_lib:format("The PLT ~s includes the following files:\n~p\n\n", [PLT, Files]); {error, read_error} -> - Msg = io_lib:format("Could not read the PLT file ~p\n", [PLT]), + Msg = io_lib:format("Could not read the PLT file ~p\n\n", [PLT]), throw({dialyzer_error, Msg}); {error, no_such_file} -> - Msg = io_lib:format("The PLT file ~p does not exist\n", [PLT]), + Msg = io_lib:format("The PLT file ~p does not exist\n\n", [PLT]), throw({dialyzer_error, Msg}) end, + String ++ get_plt_info(PLTs); +get_plt_info([]) -> "". + +do_print_plt_info(PLTInfo, OutputFile) -> case OutputFile =:= none of true -> - io:format("~s", [String]), + io:format("~s", [PLTInfo]), ?RET_NOTHING_SUSPICIOUS; false -> case file:open(OutputFile, [write]) of {ok, FileDesc} -> - io:format(FileDesc, "~s", [String]), + io:format(FileDesc, "~s", [PLTInfo]), ok = file:close(FileDesc), ?RET_NOTHING_SUSPICIOUS; {error, Reason} -> @@ -146,7 +157,7 @@ cl(Opts) -> -spec run(dial_options()) -> [dial_warning()]. run(Opts) -> - try dialyzer_options:build([{report_mode, quiet}, + try dialyzer_options:build([{report_mode, quiet}, {erlang_mode, true}|Opts]) of {error, Msg} -> throw({dialyzer_error, Msg}); @@ -161,7 +172,7 @@ run(Opts) -> throw({dialyzer_error, ErrorMsg1}) end catch - throw:{dialyzer_error, ErrorMsg} -> + throw:{dialyzer_error, ErrorMsg} -> erlang:error({dialyzer_error, lists:flatten(ErrorMsg)}) end. @@ -225,25 +236,31 @@ plt_info(Plt) -> %% Machinery %%----------- +-type doit_ret() :: {'ok', dial_ret()} | {'error', string()}. + doit(F) -> - try + try {ok, F()} catch throw:{dialyzer_error, Msg} -> {error, lists:flatten(Msg)} end. +-spec cl_error(string()) -> no_return(). + cl_error(Msg) -> cl_halt({error, Msg}, #options{}). +-spec gui_halt(doit_ret(), #options{}) -> no_return(). + gui_halt(R, Opts) -> cl_halt(R, Opts#options{report_mode = quiet}). --spec cl_halt({'ok',dial_ret()} | {'error',string()}, #options{}) -> no_return(). +-spec cl_halt(doit_ret(), #options{}) -> no_return(). -cl_halt({ok, R = ?RET_NOTHING_SUSPICIOUS}, #options{report_mode = quiet}) -> +cl_halt({ok, R = ?RET_NOTHING_SUSPICIOUS}, #options{report_mode = quiet}) -> halt(R); -cl_halt({ok, R = ?RET_DISCREPANCIES}, #options{report_mode = quiet}) -> +cl_halt({ok, R = ?RET_DISCREPANCIES}, #options{report_mode = quiet}) -> halt(R); cl_halt({ok, R = ?RET_NOTHING_SUSPICIOUS}, #options{}) -> io:put_chars("done (passed successfully)\n"), @@ -267,11 +284,19 @@ cl_check_log(Output) -> -spec format_warning(dial_warning()) -> string(). -format_warning({_Tag, {File, Line}, Msg}) when is_list(File), - is_integer(Line) -> - BaseName = filename:basename(File), +format_warning(W) -> + format_warning(W, basename). + +-spec format_warning(dial_warning(), fopt()) -> string(). + +format_warning({_Tag, {File, Line}, Msg}, FOpt) when is_list(File), + is_integer(Line) -> + F = case FOpt of + fullpath -> File; + basename -> filename:basename(File) + end, String = lists:flatten(message_to_string(Msg)), - lists:flatten(io_lib:format("~s:~w: ~s", [BaseName, Line, String])). + lists:flatten(io_lib:format("~s:~w: ~s", [F, Line, String])). %%----------------------------------------------------------------------------- @@ -290,7 +315,7 @@ message_to_string({app_call, [M, F, Args, Culprit, ExpectedType, FoundType]}) -> message_to_string({bin_construction, [Culprit, Size, Seg, Type]}) -> io_lib:format("Binary construction will fail since the ~s field ~s in" " segment ~s has type ~s\n", [Culprit, Size, Seg, Type]); -message_to_string({call, [M, F, Args, ArgNs, FailReason, +message_to_string({call, [M, F, Args, ArgNs, FailReason, SigArgs, SigRet, Contract]}) -> io_lib:format("The call ~w:~w~s ", [M, F, Args]) ++ call_or_apply_to_string(ArgNs, FailReason, SigArgs, SigRet, Contract); @@ -309,8 +334,13 @@ 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]}) -> + io_lib:format("Guard test not(~w~s) can never succeed\n", [Guard, Args]); message_to_string({guard_fail_pat, [Pat, Type]}) -> io_lib:format("Clause guard cannot succeed. The ~s was matched" " against the type ~s\n", [Pat, Type]); @@ -329,15 +359,18 @@ message_to_string({no_return, [Type|Name]}) -> only_normal -> NameString ++ "has no local return\n"; both -> NameString ++ "has no local return\n" end; -message_to_string({record_constr, [Types, Name]}) -> +message_to_string({record_constr, [RecConstr, FieldDiffs]}) -> io_lib:format("Record construction ~s violates the" - " declared type for #~w{}\n", [Types, Name]); + " declared type of field ~s\n", [RecConstr, FieldDiffs]); message_to_string({record_constr, [Name, Field, Type]}) -> io_lib:format("Record construction violates the declared type for #~w{}" " since ~s cannot be of type ~s\n", [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]}) -> @@ -358,12 +391,16 @@ message_to_string({contract_diff, [M, F, _A, Contract, Sig]}) -> [M, F, Contract, M, F, Sig]); message_to_string({contract_subtype, [M, F, _A, Contract, Sig]}) -> io_lib:format("Type specification ~w:~w~s" - " is a subtype of the success typing: ~w:~w~s\n", + " is a subtype of the success typing: ~w:~w~s\n", [M, F, Contract, M, F, Sig]); 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]); @@ -379,7 +416,7 @@ message_to_string({spec_missing_fun, [M, F, A]}) -> [M, F, A]); %%----- Warnings for opaque type violations ------------------- message_to_string({call_with_opaque, [M, F, Args, ArgNs, ExpArgs]}) -> - io_lib:format("The call ~w:~w~s contains ~s argument when ~s\n", + io_lib:format("The call ~w:~w~s contains ~s when ~s\n", [M, F, Args, form_positions(ArgNs), form_expected(ExpArgs)]); message_to_string({call_without_opaque, [M, F, Args, ExpectedTriples]}) -> io_lib:format("The call ~w:~w~s does not have ~s\n", @@ -427,7 +464,7 @@ message_to_string({spec_missing, [B, F, A]}) -> %% Auxiliary functions below %%----------------------------------------------------------------------------- -call_or_apply_to_string(ArgNs, FailReason, SigArgs, SigRet, +call_or_apply_to_string(ArgNs, FailReason, SigArgs, SigRet, {IsOverloaded, Contract}) -> PositionString = form_position_string(ArgNs), case FailReason of @@ -442,7 +479,7 @@ call_or_apply_to_string(ArgNs, FailReason, SigArgs, SigRet, " from the success typing arguments: ~s\n", [PositionString, SigArgs]) end; - only_contract -> + only_contract -> case (ArgNs =:= []) orelse IsOverloaded of true -> %% We do not know which arguments caused the failure @@ -494,7 +531,7 @@ form_position_string(ArgNs) -> case ArgNs of [] -> ""; [N1] -> ordinal(N1); - [_,_|_] -> + [_,_|_] -> [Last|Prevs] = lists:reverse(ArgNs), ", " ++ Head = lists:flatten([io_lib:format(", ~s",[ordinal(N)]) || N <- lists:reverse(Prevs)]), |