diff options
Diffstat (limited to 'lib/dialyzer')
103 files changed, 4775 insertions, 2237 deletions
diff --git a/lib/dialyzer/doc/src/Makefile b/lib/dialyzer/doc/src/Makefile index 45b0ffa5ff..a827281cc5 100755..100644 --- a/lib/dialyzer/doc/src/Makefile +++ b/lib/dialyzer/doc/src/Makefile @@ -100,13 +100,13 @@ clean clean_docs: include $(ERL_TOP)/make/otp_release_targets.mk release_docs_spec: docs - $(INSTALL_DIR) $(RELSYSDIR)/doc/pdf - $(INSTALL_DATA) $(TOP_PDF_FILE) $(RELSYSDIR)/doc/pdf - $(INSTALL_DIR) $(RELSYSDIR)/doc/html + $(INSTALL_DIR) "$(RELSYSDIR)/doc/pdf" + $(INSTALL_DATA) $(TOP_PDF_FILE) "$(RELSYSDIR)/doc/pdf" + $(INSTALL_DIR) "$(RELSYSDIR)/doc/html" $(INSTALL_DATA) $(HTMLDIR)/* \ - $(RELSYSDIR)/doc/html - $(INSTALL_DATA) $(INFO_FILE) $(RELSYSDIR) - $(INSTALL_DIR) $(RELEASE_PATH)/man/man3 - $(INSTALL_DATA) $(MAN3DIR)/* $(RELEASE_PATH)/man/man3 + "$(RELSYSDIR)/doc/html" + $(INSTALL_DATA) $(INFO_FILE) "$(RELSYSDIR)" + $(INSTALL_DIR) "$(RELEASE_PATH)/man/man3" + $(INSTALL_DATA) $(MAN3DIR)/* "$(RELEASE_PATH)/man/man3" release_spec: diff --git a/lib/dialyzer/doc/src/book.xml b/lib/dialyzer/doc/src/book.xml index 0b4e1cb617..ec06427671 100755..100644 --- a/lib/dialyzer/doc/src/book.xml +++ b/lib/dialyzer/doc/src/book.xml @@ -4,7 +4,7 @@ <book xmlns:xi="http://www.w3.org/2001/XInclude"> <header titlestyle="normal"> <copyright> - <year>2006</year><year>2009</year> + <year>2006</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/dialyzer/doc/src/fascicules.xml b/lib/dialyzer/doc/src/fascicules.xml index 0678195e07..0678195e07 100755..100644 --- a/lib/dialyzer/doc/src/fascicules.xml +++ b/lib/dialyzer/doc/src/fascicules.xml diff --git a/lib/dialyzer/doc/src/make.dep b/lib/dialyzer/doc/src/make.dep deleted file mode 100755 index f8177cd419..0000000000 --- a/lib/dialyzer/doc/src/make.dep +++ /dev/null @@ -1,20 +0,0 @@ -# ---------------------------------------------------- -# >>>> Do not edit this file <<<< -# This file was automaticly generated by -# /home/otp/bin/docdepend -# ---------------------------------------------------- - - -# ---------------------------------------------------- -# TeX files that the DVI file depend on -# ---------------------------------------------------- - -book.dvi: book.tex dialyzer.tex dialyzer_chapter.tex \ - part.tex ref_man.tex - -# ---------------------------------------------------- -# Source inlined when transforming from source to LaTeX -# ---------------------------------------------------- - -book.tex: ref_man.xml - diff --git a/lib/dialyzer/doc/src/notes.xml b/lib/dialyzer/doc/src/notes.xml index 17291b24f7..f485e4d03b 100755..100644 --- a/lib/dialyzer/doc/src/notes.xml +++ b/lib/dialyzer/doc/src/notes.xml @@ -4,7 +4,7 @@ <chapter> <header> <copyright> - <year>2006</year><year>2011</year> + <year>2006</year><year>2012</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> @@ -31,6 +31,185 @@ <p>This document describes the changes made to the Dialyzer application.</p> +<section><title>Dialyzer 2.5.3</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p>Fix a crash in race condition detection</p> <p>Remove + old untested experimental extension</p> <p>Respect + {plt_check,false} option when using dialyzer:run/1</p> + <p>Fix handling of tuple set remote types appearing in + tuple sets</p> + <p> + Own Id: OTP-10464</p> + </item> + </list> + </section> + +</section> + +<section><title>Dialyzer 2.5.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> Correct handling of type names in contracts. Fix + crash related to contract checking. Do not rewrite + unchanged PLT. </p> + <p> + Own Id: OTP-10083</p> + </item> + <item> + <p> + Stop a forgotten server process</p> + <p> + Dialyzer forgot to stop a server process before finishing + its analysis. This is a concurrency error detected by + Concuerror. Changes to fix warnings identified by running + dialyzer -Wunmatched_returns. Thanks to Kostis Sagonas.</p> + <p> + Own Id: OTP-10231</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> Bug fixes and improvements of + <c>dialyzer_typesig</c>. </p> + <p> + Own Id: OTP-10082</p> + </item> + <item> + <p> + Add parallel dialyzer support</p> + <p> + Own Id: OTP-10103</p> + </item> + <item> + <p> An alternative implementation of the solver in + <c>dialyzer_typesig</c> has been introduced. It is faster + than the original implementation. </p> + <p> + Own Id: OTP-10110</p> + </item> + <item> + <p> Bugs in <c>erl_types:t_inf()</c> (HiPE) and in + <c>dialyzer_dataflow</c> (Dialyzer) have been fixed. </p> + <p> + Own Id: OTP-10191</p> + </item> + </list> + </section> + +</section> + +<section><title>Dialyzer 2.5.1</title> + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> Handle <c>nowarn_unused_function</c> the same way as + the compiler does. </p> + <p> + Own Id: OTP-9833</p> + </item> + </list> + </section> + +</section> + +<section><title>Dialyzer 2.5</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Fix false warning about closure application</p> + <p> + Whenever a variable that could hold one of two or more + possible closures was used in a particular application, + the application was assumed to fail if ONE of the + closures would fail in this application. This has been + corrected to infer failing application if ALL possible + closures would fail in the particular application.</p> + <p> + Change category of 'might also return' warnings</p> + <p> + Dialyzer emits warnings like the following "The + specification for _ states that the function might also + return _ but the inferred return is _", which are + actually underspecifications and not wrong type + specifications. This patch makes sure that they are filed + under the appropriate category.</p> + <p> + Own Id: OTP-9707</p> + </item> + <item> + <p>Wrap up behaviours patch for Dialyzer</p> <list> + <item><p>Enable warnings by default, add two options for + suppressing them</p></item> <item><p>Fix warning + formatting and update testsuites.</p></item> + <item><p>Detection of callback-spec + discrepancies</p></item> <item><p>Allow none() as return + value in callbacks</p></item> <item><p>Behaviour callback + discrepancy detection for Dialyzer</p></item> + <item><p>Add lookup function for callbacks</p></item> + <item><p>Store callbacks in codeserver and PLT</p></item> + <item><p>Collect callback definitions during + compilation</p></item> <item><p>Update inets + results</p></item> </list> + <p> + Own Id: OTP-9731</p> + </item> + <item> + <p> + <list> <item><p>No warnings for underspecs with remote + types</p></item> <item><p> Fix crash in Typer</p></item> + <item><p>Fix Dialyzer's warning for its own + code</p></item> <item><p>Fix Dialyzer's warnings in + HiPE</p></item> <item><p>Add file/line info in a + particular Dialyzer crash</p></item> <item><p>Update + inets test results</p></item> </list></p> + <p> + Own Id: OTP-9758</p> + </item> + <item> + <p> + <list> <item><p>Correct callback spec in application + module</p></item> <item><p>Refine warning about callback + specs with extra ranges</p></item> <item><p>Cleanup + autoimport compiler directives</p></item> <item><p>Fix + Dialyzer's warnings in typer</p></item> <item><p>Fix + Dialyzer's warning for its own code</p></item> + <item><p>Fix bug in Dialyzer's behaviours + analysis</p></item> <item><p>Fix crash in + Dialyzer</p></item> <item><p>Variable substitution was + not generalizing any unknown variables.</p></item> + </list></p> + <p> + Own Id: OTP-9776</p> + </item> + </list> + </section> + + + <section><title>Improvements and New Features</title> + <list> + <item> + <p> Optimize the joining of maps in + <c>dialyzer_dataflow</c>. </p> + <p> + Own Id: OTP-9761</p> + </item> + </list> + </section> + +</section> + <section><title>Dialyzer 2.4.4</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/lib/dialyzer/doc/src/part.xml b/lib/dialyzer/doc/src/part.xml index 4410840660..564ef3a52f 100755..100644 --- a/lib/dialyzer/doc/src/part.xml +++ b/lib/dialyzer/doc/src/part.xml @@ -4,7 +4,7 @@ <part xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>2006</year><year>2009</year> + <year>2006</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/dialyzer/doc/src/part_notes.xml b/lib/dialyzer/doc/src/part_notes.xml index cb048d55dd..992ee73daa 100755..100644 --- a/lib/dialyzer/doc/src/part_notes.xml +++ b/lib/dialyzer/doc/src/part_notes.xml @@ -4,7 +4,7 @@ <part xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>2006</year><year>2009</year> + <year>2006</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/dialyzer/doc/src/ref_man.xml b/lib/dialyzer/doc/src/ref_man.xml index ca5410f6b8..7e5367b7c5 100755..100644 --- a/lib/dialyzer/doc/src/ref_man.xml +++ b/lib/dialyzer/doc/src/ref_man.xml @@ -4,7 +4,7 @@ <application xmlns:xi="http://www.w3.org/2001/XInclude"> <header> <copyright> - <year>2006</year><year>2009</year> + <year>2006</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> diff --git a/lib/dialyzer/info b/lib/dialyzer/info index 9fba4b54ad..9fba4b54ad 100755..100644 --- a/lib/dialyzer/info +++ b/lib/dialyzer/info diff --git a/lib/dialyzer/src/Makefile b/lib/dialyzer/src/Makefile index 810f86dc21..63cc1c98f1 100644 --- a/lib/dialyzer/src/Makefile +++ b/lib/dialyzer/src/Makefile @@ -1,7 +1,7 @@ # # %CopyrightBegin% # -# Copyright Ericsson AB 2006-2010. All Rights Reserved. +# Copyright Ericsson AB 2006-2012. 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 @@ -63,7 +63,10 @@ MODULES = \ dialyzer_plt \ dialyzer_races \ dialyzer_succ_typings \ + dialyzer_timing \ dialyzer_typesig \ + dialyzer_coordinator \ + dialyzer_worker \ dialyzer_utils HRL_FILES= dialyzer.hrl dialyzer_gui_wx.hrl @@ -86,7 +89,7 @@ APPUP_TARGET= $(EBIN)/$(APPUP_FILE) ifeq ($(NATIVE_LIBS_ENABLED),yes) ERL_COMPILE_FLAGS += +native endif -ERL_COMPILE_FLAGS += +warn_exported_vars +warn_unused_import +warn_untyped_record +warn_missing_spec +ERL_COMPILE_FLAGS += +warn_exported_vars +warn_unused_import +warn_untyped_record +warn_missing_spec +warnings_as_errors # ---------------------------------------------------- # Targets @@ -152,10 +155,10 @@ $(EBIN)/dialyzer_utils.beam: dialyzer.hrl include $(ERL_TOP)/make/otp_release_targets.mk release_spec: opt - $(INSTALL_DIR) $(RELSYSDIR)/src + $(INSTALL_DIR) "$(RELSYSDIR)/src" $(INSTALL_DATA) $(ERL_FILES) $(HRL_FILES) $(EXTRA_FILES) \ - $(RELSYSDIR)/src - $(INSTALL_DIR) $(RELSYSDIR)/ebin - $(INSTALL_DATA) $(INSTALL_FILES) $(RELSYSDIR)/ebin + "$(RELSYSDIR)/src" + $(INSTALL_DIR) "$(RELSYSDIR)/ebin" + $(INSTALL_DATA) $(INSTALL_FILES) "$(RELSYSDIR)/ebin" release_docs_spec: diff --git a/lib/dialyzer/src/dialyzer.erl b/lib/dialyzer/src/dialyzer.erl index 5014a4244c..a785ea5502 100644 --- a/lib/dialyzer/src/dialyzer.erl +++ b/lib/dialyzer/src/dialyzer.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2011. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -162,14 +162,17 @@ run(Opts) -> {error, Msg} -> throw({dialyzer_error, Msg}); OptsRecord -> - case cl_check_init(OptsRecord) of - {ok, ?RET_NOTHING_SUSPICIOUS} -> - case dialyzer_cl:start(OptsRecord) of - {?RET_DISCREPANCIES, Warnings} -> Warnings; - {?RET_NOTHING_SUSPICIOUS, []} -> [] - end; - {error, ErrorMsg1} -> - throw({dialyzer_error, ErrorMsg1}) + case OptsRecord#options.check_plt of + true -> + case cl_check_init(OptsRecord) of + {ok, ?RET_NOTHING_SUSPICIOUS} -> ok; + {error, ErrorMsg1} -> throw({dialyzer_error, ErrorMsg1}) + end; + false -> ok + end, + case dialyzer_cl:start(OptsRecord) of + {?RET_DISCREPANCIES, Warnings} -> Warnings; + {?RET_NOTHING_SUSPICIOUS, []} -> [] end catch throw:{dialyzer_error, ErrorMsg} -> @@ -442,23 +445,29 @@ message_to_string({opaque_type_test, [Fun, Opaque]}) -> message_to_string({race_condition, [M, F, Args, Reason]}) -> io_lib:format("The call ~w:~w~s ~s\n", [M, F, Args, Reason]); %%----- Warnings for behaviour errors -------------------- -message_to_string({callback_type_mismatch, [B, F, A, O]}) -> - io_lib:format("The inferred return type of the ~w/~w callback includes the" - " type ~s which is not a valid return for the ~w behaviour\n", - [F, A, erl_types:t_to_string(O), B]); -message_to_string({callback_arg_type_mismatch, [B, F, A, N, O]}) -> - io_lib:format("The inferred type of the ~s argument of ~w/~w callback" - " includes the type ~s which is not valid for the ~w behaviour" - "\n", [ordinal(N), F, A, erl_types:t_to_string(O), B]); +message_to_string({callback_type_mismatch, [B, F, A, ST, CT]}) -> + io_lib:format("The inferred return type of ~w/~w (~s) has nothing in common" + " with ~s, which is the expected return type for the callback of" + " ~w behaviour\n", [F, A, ST, CT, B]); +message_to_string({callback_arg_type_mismatch, [B, F, A, N, ST, CT]}) -> + io_lib:format("The inferred type for the ~s argument of ~w/~w (~s) is" + " not a supertype of ~s, which is expected type for this" + " argument in the callback of the ~w behaviour\n", + [ordinal(N), F, A, ST, CT, B]); +message_to_string({callback_spec_type_mismatch, [B, F, A, ST, CT]}) -> + io_lib:format("The return type ~s in the specification of ~w/~w is not a" + " subtype of ~s, which is the expected return type for the" + " callback of ~w behaviour\n", [ST, F, A, CT, B]); +message_to_string({callback_spec_arg_type_mismatch, [B, F, A, N, ST, CT]}) -> + io_lib:format("The specified type for the ~s argument of ~w/~w (~s) is" + " not a supertype of ~s, which is expected type for this" + " argument in the callback of the ~w behaviour\n", + [ordinal(N), F, A, ST, CT, B]); 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({invalid_spec, [B, F, A, R]}) -> - io_lib:format("The spec for the ~w:~w/~w callback is not correct: ~s\n", - [B, F, A, R]); -message_to_string({spec_missing, [B, F, A]}) -> - io_lib:format("Type info about ~w:~w/~w callback is not available\n", - [B, F, A]). +message_to_string({callback_info_missing, [B]}) -> + io_lib:format("Callback info about the ~w behaviour is not available\n", [B]). %%----------------------------------------------------------------------------- %% Auxiliary functions below diff --git a/lib/dialyzer/src/dialyzer.hrl b/lib/dialyzer/src/dialyzer.hrl index 9d2e554981..105a174e31 100644 --- a/lib/dialyzer/src/dialyzer.hrl +++ b/lib/dialyzer/src/dialyzer.hrl @@ -2,7 +2,7 @@ %%% %%% %CopyrightBegin% %%% -%%% Copyright Ericsson AB 2006-2011. All Rights Reserved. +%%% Copyright Ericsson AB 2006-2012. 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 @@ -57,6 +57,7 @@ -define(WARN_UNMATCHED_RETURN, warn_umatched_return). -define(WARN_RACE_CONDITION, warn_race_condition). -define(WARN_BEHAVIOUR, warn_behaviour). +-define(WARN_UNDEFINED_CALLBACK, warn_undefined_callbacks). %% %% The following type has double role: @@ -71,7 +72,8 @@ | ?WARN_CONTRACT_NOT_EQUAL | ?WARN_CONTRACT_SUBTYPE | ?WARN_CONTRACT_SUPERTYPE | ?WARN_CALLGRAPH | ?WARN_UNMATCHED_RETURN | ?WARN_RACE_CONDITION - | ?WARN_BEHAVIOUR | ?WARN_CONTRACT_RANGE. + | ?WARN_BEHAVIOUR | ?WARN_CONTRACT_RANGE + | ?WARN_UNDEFINED_CALLBACK. %% %% This is the representation of each warning as they will be returned @@ -108,6 +110,8 @@ -type label() :: non_neg_integer(). -type rep_mode() :: 'quiet' | 'normal' | 'verbose'. -type start_from() :: 'byte_code' | 'src_code'. +-type mfa_or_funlbl() :: label() | mfa(). +-type solver() :: 'v1' | 'v2'. %%-------------------------------------------------------------------- %% Record declarations used by various files @@ -124,11 +128,15 @@ use_contracts = true :: boolean(), race_detection = false :: boolean(), behaviours_chk = false :: boolean(), - callgraph_file = "" :: file:filename()}). + timing = false :: boolean() | 'debug', + timing_server :: dialyzer_timing:timing_server(), + callgraph_file = "" :: file:filename(), + solvers :: [solver()]}). -record(options, {files = [] :: [file:filename()], files_rec = [] :: [file:filename()], analysis_type = succ_typings :: anal_type1(), + timing = false :: boolean() | 'debug', defines = [] :: [dial_define()], from = byte_code :: start_from(), get_warnings = maybe :: boolean() | 'maybe', @@ -143,10 +151,20 @@ output_format = formatted :: format(), filename_opt = basename :: fopt(), callgraph_file = "" :: file:filename(), - check_plt = true :: boolean()}). + check_plt = true :: boolean(), + solvers = [] :: [solver()]}). -record(contract, {contracts = [] :: [contract_pair()], args = [] :: [erl_types:erl_type()], forms = [] :: [{_, _}]}). %%-------------------------------------------------------------------- + +-define(timing(Server, Msg, Var, Expr), + begin + dialyzer_timing:start_stamp(Server, Msg), + Var = Expr, + dialyzer_timing:end_stamp(Server), + Var + end). +-define(timing(Server, Msg, Expr),?timing(Server, Msg, _T, Expr)). diff --git a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl index abad1f3a75..86618a4915 100644 --- a/lib/dialyzer/src/dialyzer_analysis_callgraph.erl +++ b/lib/dialyzer/src/dialyzer_analysis_callgraph.erl @@ -2,7 +2,7 @@ %%-------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2010. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -30,6 +30,15 @@ -export([start/3]). +-export([compile_init_result/0, + add_to_result/4, + start_compilation/2, + continue_compilation/2]). + +-export_type([compile_init_data/0, + one_file_result/0, + compile_result/0]). + -include("dialyzer.hrl"). -record(analysis_state, @@ -44,7 +53,8 @@ plt :: dialyzer_plt:plt(), start_from = byte_code :: start_from(), use_contracts = true :: boolean(), - behaviours = {false,[]} :: {boolean(),[atom()]} + timing_server :: dialyzer_timing:timing_server(), + solvers :: [solver()] }). -record(server_state, {parent :: pid(), legal_warnings :: [dial_warn_tag()]}). @@ -56,14 +66,15 @@ -spec start(pid(), [dial_warn_tag()], #analysis{}) -> 'ok'. start(Parent, LegalWarnings, Analysis) -> + TimingServer = dialyzer_timing:init(Analysis#analysis.timing), RacesOn = ordsets:is_element(?WARN_RACE_CONDITION, LegalWarnings), - BehavOn = ordsets:is_element(?WARN_BEHAVIOUR, LegalWarnings), - Analysis0 = Analysis#analysis{race_detection = RacesOn, - behaviours_chk = BehavOn}, + Analysis0 = + Analysis#analysis{race_detection = RacesOn, timing_server = TimingServer}, Analysis1 = expand_files(Analysis0), Analysis2 = run_analysis(Analysis1), State = #server_state{parent = Parent, legal_warnings = LegalWarnings}, - loop(State, Analysis2, none). + loop(State, Analysis2, none), + dialyzer_timing:stop(TimingServer). run_analysis(Analysis) -> Self = self(), @@ -126,7 +137,8 @@ analysis_start(Parent, Analysis) -> parent = Parent, start_from = Analysis#analysis.start_from, use_contracts = Analysis#analysis.use_contracts, - behaviours = {Analysis#analysis.behaviours_chk, []} + timing_server = Analysis#analysis.timing_server, + solvers = Analysis#analysis.solvers }, Files = ordsets:from_list(Analysis#analysis.files), {Callgraph, NoWarn, TmpCServer0} = compile_and_store(Files, State), @@ -150,7 +162,8 @@ analysis_start(Parent, Analysis) -> dialyzer_codeserver:insert_temp_exported_types(MergedExpTypes, TmpCServer1), TmpCServer3 = dialyzer_utils:process_record_remote_types(TmpCServer2), - dialyzer_contracts:process_contract_remote_types(TmpCServer3) + ?timing(State#analysis_state.timing_server, "remote", + dialyzer_contracts:process_contract_remote_types(TmpCServer3)) catch throw:{error, _ErrorMsg} = Error -> exit(Error) end, @@ -171,83 +184,75 @@ analysis_start(Parent, Analysis) -> false -> Callgraph end, State3 = analyze_callgraph(NewCallgraph, State2#analysis_state{plt = Plt1}), + dialyzer_callgraph:dispose_race_server(NewCallgraph), rcv_and_send_ext_types(Parent), NonExports = sets:subtract(sets:from_list(AllNodes), Exports), NonExportsList = sets:to_list(NonExports), - Plt3 = dialyzer_plt:delete_list(State3#analysis_state.plt, NonExportsList), - Plt4 = dialyzer_plt:delete_contract_list(Plt3, NonExportsList), + Plt2 = dialyzer_plt:delete_list(State3#analysis_state.plt, NonExportsList), send_codeserver_plt(Parent, CServer, State3#analysis_state.plt), - send_analysis_done(Parent, Plt4, State3#analysis_state.doc_plt). - -analyze_callgraph(Callgraph, State) -> - Plt = State#analysis_state.plt, - Codeserver = State#analysis_state.codeserver, - Parent = State#analysis_state.parent, - case State#analysis_state.analysis_type of - plt_build -> - Callgraph1 = dialyzer_callgraph:finalize(Callgraph), - NewPlt = dialyzer_succ_typings:analyze_callgraph(Callgraph1, Plt, - Codeserver, Parent), - dialyzer_callgraph:delete(Callgraph1), - State#analysis_state{plt = NewPlt}; - succ_typings -> - NoWarn = State#analysis_state.no_warn_unused, - {BehavioursChk, _Known} = State#analysis_state.behaviours, - DocPlt = State#analysis_state.doc_plt, - Callgraph1 = dialyzer_callgraph:finalize(Callgraph), - {Warnings, NewPlt, NewDocPlt} = - dialyzer_succ_typings:get_warnings(Callgraph1, Plt, DocPlt, - Codeserver, NoWarn, Parent, - BehavioursChk), - dialyzer_callgraph:delete(Callgraph1), - send_warnings(State#analysis_state.parent, Warnings), - State#analysis_state{plt = NewPlt, doc_plt = NewDocPlt} - end. + send_analysis_done(Parent, Plt2, State3#analysis_state.doc_plt). + +analyze_callgraph(Callgraph, #analysis_state{codeserver = Codeserver, + doc_plt = DocPlt, + timing_server = TimingServer, + parent = Parent, + solvers = Solvers} = State) -> + Plt = dialyzer_plt:insert_callbacks(State#analysis_state.plt, Codeserver), + {NewPlt, NewDocPlt} = + case State#analysis_state.analysis_type of + plt_build -> + NewPlt0 = + dialyzer_succ_typings:analyze_callgraph(Callgraph, Plt, Codeserver, + TimingServer, Solvers, Parent), + {NewPlt0, DocPlt}; + succ_typings -> + NoWarn = State#analysis_state.no_warn_unused, + {Warnings, NewPlt0, NewDocPlt0} = + dialyzer_succ_typings:get_warnings(Callgraph, Plt, DocPlt, Codeserver, + NoWarn, TimingServer, Solvers, Parent), + send_warnings(State#analysis_state.parent, Warnings), + {NewPlt0, NewDocPlt0} + end, + dialyzer_callgraph:delete(Callgraph), + State#analysis_state{plt = NewPlt, doc_plt = NewDocPlt}. %%-------------------------------------------------------------------- %% Build the callgraph and fill the codeserver. %%-------------------------------------------------------------------- +-record(compile_init,{ + callgraph :: dialyzer_callgraph:callgraph(), + codeserver :: dialyzer_codeserver:codeserver(), + defines = [] :: [dial_define()], + include_dirs = [] :: [file:filename()], + start_from = byte_code :: start_from(), + use_contracts = true :: boolean() + }). + +make_compile_init(#analysis_state{codeserver = Codeserver, + defines = Defs, + include_dirs = Dirs, + use_contracts = UseContracts, + start_from = StartFrom}, Callgraph) -> + #compile_init{callgraph = Callgraph, + codeserver = Codeserver, + defines = [{d, Macro, Val} || {Macro, Val} <- Defs], + include_dirs = [{i, D} || D <- Dirs], + use_contracts = UseContracts, + start_from = StartFrom}. + compile_and_store(Files, #analysis_state{codeserver = CServer, - defines = Defs, - include_dirs = Dirs, - parent = Parent, - use_contracts = UseContracts, - start_from = StartFrom, - behaviours = {BehChk, _} - } = State) -> + timing_server = Timing, + parent = Parent} = State) -> send_log(Parent, "Reading files and computing callgraph... "), {T1, _} = statistics(runtime), - Includes = [{i, D} || D <- Dirs], - Defines = [{d, Macro, Val} || {Macro, Val} <- Defs], Callgraph = dialyzer_callgraph:new(), - Fun = case StartFrom of - src_code -> - fun(File, {TmpCG, TmpCServer, TmpFailed, TmpNoWarn, TmpMods}) -> - case compile_src(File, Includes, Defines, TmpCG, - TmpCServer, UseContracts) of - {error, Reason} -> - {TmpCG, TmpCServer, [{File, Reason}|TmpFailed], TmpNoWarn, - TmpMods}; - {ok, NewCG, NoWarn, NewCServer, Mod} -> - {NewCG, NewCServer, TmpFailed, NoWarn++TmpNoWarn, - [Mod|TmpMods]} - end - end; - byte_code -> - fun(File, {TmpCG, TmpCServer, TmpFailed, TmpNoWarn, TmpMods}) -> - case compile_byte(File, TmpCG, TmpCServer, UseContracts) of - {error, Reason} -> - {TmpCG, TmpCServer, [{File, Reason}|TmpFailed], TmpNoWarn, - TmpMods}; - {ok, NewCG, NoWarn, NewCServer, Mod} -> - {NewCG, NewCServer, TmpFailed, NoWarn++TmpNoWarn, - [Mod|TmpMods]} - end - end - end, - {NewCallgraph1, NewCServer, Failed, NoWarn, Modules} = - lists:foldl(Fun, {Callgraph, CServer, [], [], []}, Files), + CompileInit = make_compile_init(State, Callgraph), + {{Failed, NoWarn, Modules}, NextLabel} = + ?timing(Timing, "compile", _C1, + dialyzer_coordinator:parallel_job(compile, Files, + CompileInit, Timing)), + CServer2 = dialyzer_codeserver:set_next_core_label(NextLabel, CServer), case Failed =:= [] of true -> NewFiles = lists:zip(lists:reverse(Modules), Files), @@ -263,47 +268,74 @@ compile_and_store(Files, #analysis_state{codeserver = CServer, {T2, _} = statistics(runtime), Msg1 = io_lib:format("done in ~.2f secs\nRemoving edges... ", [(T2-T1)/1000]), send_log(Parent, Msg1), - {KnownBehaviours, UnknownBehaviours} = - dialyzer_behaviours:get_behaviours(Modules, NewCServer), - if UnknownBehaviours =:= [] -> ok; - true -> send_unknown_behaviours(Parent, UnknownBehaviours) - end, - State1 = State#analysis_state{behaviours = {BehChk, KnownBehaviours}}, - NewCallgraph2 = cleanup_callgraph(State1, NewCServer, NewCallgraph1, Modules), + Callgraph = + ?timing(Timing, "clean", _C2, + cleanup_callgraph(State, CServer2, Callgraph, Modules)), {T3, _} = statistics(runtime), Msg2 = io_lib:format("done in ~.2f secs\n", [(T3-T2)/1000]), send_log(Parent, Msg2), - {NewCallgraph2, sets:from_list(NoWarn), NewCServer}. + {Callgraph, sets:from_list(NoWarn), CServer2}. + +-type compile_init_data() :: #compile_init{}. +-type error_reason() :: string(). +-type compile_result() :: {[{file:filename(), error_reason()}], [mfa()], + [module()]}. %%opaque +-type one_file_result() :: {error, error_reason()} | + {ok, [dialyzer_callgraph:callgraph_edge()], + [mfa_or_funlbl()], [mfa()], module()}. %%opaque +-type compile_mid_data() :: {module(), cerl:cerl(), [mfa()], + dialyzer_callgraph:callgraph(), + dialyzer_codeserver:codeserver()}. + +-spec compile_init_result() -> compile_result(). + +compile_init_result() -> {[], [], []}. + +-spec add_to_result(file:filename(), one_file_result(), compile_result(), + compile_init_data()) -> compile_result(). + +add_to_result(File, NewData, {Failed, NoWarn, Mods}, InitData) -> + case NewData of + {error, Reason} -> + {[{File, Reason}|Failed], NoWarn, Mods}; + {ok, V, E, NewNoWarn, Mod} -> + Callgraph = InitData#compile_init.callgraph, + dialyzer_callgraph:add_edges(E, V, Callgraph), + {Failed, NewNoWarn ++ NoWarn, [Mod|Mods]} + end. + +-spec start_compilation(file:filename(), compile_init_data()) -> + {error, error_reason()} |{ok, integer(), compile_mid_data()}. + +start_compilation(File, + #compile_init{callgraph = Callgraph, codeserver = Codeserver, + defines = Defines, include_dirs = IncludeD, + use_contracts = UseContracts, + start_from = StartFrom}) -> + case StartFrom of + src_code -> + compile_src(File, IncludeD, Defines, Callgraph, Codeserver, UseContracts); + byte_code -> + compile_byte(File, Callgraph, Codeserver, UseContracts) + end. cleanup_callgraph(#analysis_state{plt = InitPlt, parent = Parent, - codeserver = CodeServer, - behaviours = {BehChk, KnownBehaviours} + codeserver = CodeServer }, CServer, Callgraph, Modules) -> ModuleDeps = dialyzer_callgraph:module_deps(Callgraph), send_mod_deps(Parent, ModuleDeps), {Callgraph1, ExtCalls} = dialyzer_callgraph:remove_external(Callgraph), - if BehChk -> - RelevantAPICalls = - dialyzer_behaviours:get_behaviour_apis(KnownBehaviours), - BehaviourAPICalls = [Call || {_From, To} = Call <- ExtCalls, - lists:member(To, RelevantAPICalls)], - Callgraph2 = - dialyzer_callgraph:put_behaviour_api_calls(BehaviourAPICalls, - Callgraph1); - true -> - Callgraph2 = Callgraph1 - end, ExtCalls1 = [Call || Call = {_From, To} <- ExtCalls, not dialyzer_plt:contains_mfa(InitPlt, To)], {BadCalls1, RealExtCalls} = if ExtCalls1 =:= [] -> {[], []}; true -> ModuleSet = sets:from_list(Modules), - lists:partition(fun({_From, {M, _F, _A}}) -> - sets:is_element(M, ModuleSet) orelse - dialyzer_plt:contains_module(InitPlt, M) - end, ExtCalls1) + PltModuleSet = dialyzer_plt:all_modules(InitPlt), + AllModules = sets:union(ModuleSet, PltModuleSet), + Pred = fun({_From, {M, _F, _A}}) -> sets:is_element(M, AllModules) end, + lists:partition(Pred, ExtCalls1) end, NonLocalCalls = dialyzer_callgraph:non_local_calls(Callgraph1), BadCalls2 = [Call || Call = {_From, To} <- NonLocalCalls, @@ -316,7 +348,7 @@ cleanup_callgraph(#analysis_state{plt = InitPlt, parent = Parent, true -> send_ext_calls(Parent, lists:usort([To || {_From, To} <- RealExtCalls])) end, - Callgraph2. + Callgraph1. compile_src(File, Includes, Defines, Callgraph, CServer, UseContracts) -> DefaultIncludes = default_includes(filename:dirname(File)), @@ -325,81 +357,75 @@ compile_src(File, Includes, Defines, Callgraph, CServer, UseContracts) -> case dialyzer_utils:get_abstract_code_from_src(File, CompOpts) of {error, _Msg} = Error -> Error; {ok, AbstrCode} -> - case dialyzer_utils:get_core_from_abstract_code(AbstrCode, CompOpts) of - error -> {error, " Could not find abstract code for: " ++ File}; - {ok, Core} -> - Mod = cerl:concrete(cerl:module_name(Core)), - NoWarn = abs_get_nowarn(AbstrCode, Mod), - case dialyzer_utils:get_record_and_type_info(AbstrCode) of - {error, _} = Error -> Error; - {ok, RecInfo} -> - CServer2 = - dialyzer_codeserver:store_temp_records(Mod, RecInfo, CServer), - case UseContracts of - true -> - case dialyzer_utils:get_spec_info(Mod, AbstrCode, RecInfo) of - {error, _} = Error -> Error; - {ok, SpecInfo} -> - CServer3 = - dialyzer_codeserver:store_temp_contracts(Mod, - SpecInfo, - CServer2), - store_core(Mod, Core, NoWarn, Callgraph, CServer3) - end; - false -> - store_core(Mod, Core, NoWarn, Callgraph, CServer2) - end - end - end + compile_common(File, AbstrCode, CompOpts, Callgraph, CServer, UseContracts) end. compile_byte(File, Callgraph, CServer, UseContracts) -> case dialyzer_utils:get_abstract_code_from_beam(File) of error -> {error, " Could not get abstract code for: " ++ File ++ "\n" ++ - " Recompile with +debug_info or analyze starting from source code"}; + " Recompile with +debug_info or analyze starting from source code"}; {ok, AbstrCode} -> - case dialyzer_utils:get_core_from_abstract_code(AbstrCode) of - error -> {error, " Could not get core for: "++File}; - {ok, Core} -> - Mod = cerl:concrete(cerl:module_name(Core)), - NoWarn = abs_get_nowarn(AbstrCode, Mod), - case dialyzer_utils:get_record_and_type_info(AbstrCode) of - {error, _} = Error -> Error; - {ok, RecInfo} -> - CServer1 = - dialyzer_codeserver:store_temp_records(Mod, RecInfo, CServer), - case UseContracts of - true -> - case dialyzer_utils:get_spec_info(Mod, AbstrCode, RecInfo) of - {error, _} = Error -> Error; - {ok, SpecInfo} -> - CServer2 = - dialyzer_codeserver:store_temp_contracts(Mod, SpecInfo, - CServer1), - store_core(Mod, Core, NoWarn, Callgraph, CServer2) - end; - false -> - store_core(Mod, Core, NoWarn, Callgraph, CServer1) - end + compile_common(File, AbstrCode, [], Callgraph, CServer, UseContracts) + end. + +compile_common(File, AbstrCode, CompOpts, Callgraph, CServer, UseContracts) -> + case dialyzer_utils:get_core_from_abstract_code(AbstrCode, CompOpts) of + error -> {error, " Could not get core Erlang code for: " ++ File}; + {ok, Core} -> + Mod = cerl:concrete(cerl:module_name(Core)), + NoWarn = abs_get_nowarn(AbstrCode, Mod), + case dialyzer_utils:get_record_and_type_info(AbstrCode) of + {error, _} = Error -> Error; + {ok, RecInfo} -> + CServer1 = + dialyzer_codeserver:store_temp_records(Mod, RecInfo, CServer), + case UseContracts of + true -> + case dialyzer_utils:get_spec_info(Mod, AbstrCode, RecInfo) of + {error, _} = Error -> Error; + {ok, SpecInfo, CallbackInfo} -> + CServer2 = + dialyzer_codeserver:store_temp_contracts(Mod, SpecInfo, + CallbackInfo, + CServer1), + store_core(Mod, Core, NoWarn, Callgraph, CServer2) + end; + false -> + store_core(Mod, Core, NoWarn, Callgraph, CServer1) end end end. store_core(Mod, Core, NoWarn, Callgraph, CServer) -> Exp = get_exports_from_core(Core), - OldExpTypes = dialyzer_codeserver:get_temp_exported_types(CServer), - NewExpTypes = get_exported_types_from_core(Core), - MergedExpTypes = sets:union(NewExpTypes, OldExpTypes), - CServer1 = dialyzer_codeserver:insert_exports(Exp, CServer), - CServer2 = dialyzer_codeserver:insert_temp_exported_types(MergedExpTypes, - CServer1), - {LabeledCore, CServer3} = label_core(Core, CServer2), - store_code_and_build_callgraph(Mod, LabeledCore, Callgraph, CServer3, NoWarn). + ExpTypes = get_exported_types_from_core(Core), + CServer = dialyzer_codeserver:insert_exports(Exp, CServer), + CServer = dialyzer_codeserver:insert_temp_exported_types(ExpTypes, CServer), + CoreTree = cerl:from_records(Core), + {ok, cerl_trees:size(CoreTree), {Mod, CoreTree, NoWarn, Callgraph, CServer}}. + +-spec continue_compilation(integer(), compile_mid_data()) -> one_file_result(). + +continue_compilation(NextLabel, {Mod, CoreTree, NoWarn, Callgraph, CServer}) -> + {LabeledTree, _NewNextLabel} = cerl_trees:label(CoreTree, NextLabel), + LabeledCore = cerl:to_records(LabeledTree), + store_code_and_build_callgraph(Mod, LabeledCore, Callgraph, NoWarn, CServer). abs_get_nowarn(Abs, M) -> - [{M, F, A} - || {attribute, _, compile, {nowarn_unused_function, {F, A}}} <- Abs]. + Opts = lists:flatten([C || {attribute, _, compile, C} <- Abs]), + Warn = erl_lint:bool_option(warn_unused_function, nowarn_unused_function, + true, Opts), + case Warn of + false -> + [{M, F, A} || {function, _, F, A, _} <- Abs]; % all functions + true -> + OnLoad = + lists:flatten([{M, F, A} || {attribute, _, on_load, {F, A}} <- Abs]), + OnLoad ++ [{M, F, A} || + {nowarn_unused_function, FAs} <- Opts, + {F, A} <- lists:flatten([FAs])] + end. get_exported_types_from_core(Core) -> Attrs = cerl:module_attrs(Core), @@ -417,18 +443,11 @@ get_exports_from_core(Core) -> M = cerl:atom_val(cerl:module_name(Tree)), [{M, F, A} || {F, A} <- Exports2]. -label_core(Core, CServer) -> - NextLabel = dialyzer_codeserver:get_next_core_label(CServer), - CoreTree = cerl:from_records(Core), - {LabeledTree, NewNextLabel} = cerl_trees:label(CoreTree, NextLabel), - {cerl:to_records(LabeledTree), - dialyzer_codeserver:set_next_core_label(NewNextLabel, CServer)}. - -store_code_and_build_callgraph(Mod, Core, Callgraph, CServer, NoWarn) -> +store_code_and_build_callgraph(Mod, Core, Callgraph, NoWarn, CServer) -> CoreTree = cerl:from_records(Core), - NewCallgraph = dialyzer_callgraph:scan_core_tree(CoreTree, Callgraph), - CServer2 = dialyzer_codeserver:insert(Mod, CoreTree, CServer), - {ok, NewCallgraph, NoWarn, CServer2, Mod}. + {Vertices, Edges} = dialyzer_callgraph:scan_core_tree(CoreTree, Callgraph), + CServer = dialyzer_codeserver:insert(Mod, CoreTree, CServer), + {ok, Vertices, Edges, NoWarn, Mod}. %%-------------------------------------------------------------------- %% Utilities @@ -492,9 +511,12 @@ default_includes(Dir) -> rcv_and_send_ext_types(Parent) -> Self = self(), Self ! {Self, done}, - ExtTypes = rcv_ext_types(Self, []), - Parent ! {Self, ext_types, ExtTypes}, - ok. + case rcv_ext_types(Self, []) of + [] -> ok; + ExtTypes -> + Parent ! {Self, ext_types, ExtTypes}, + ok + end. rcv_ext_types(Self, ExtTypes) -> receive diff --git a/lib/dialyzer/src/dialyzer_behaviours.erl b/lib/dialyzer/src/dialyzer_behaviours.erl index 47ce9ba6eb..36aef2a37f 100644 --- a/lib/dialyzer/src/dialyzer_behaviours.erl +++ b/lib/dialyzer/src/dialyzer_behaviours.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2010. All Rights Reserved. +%% Copyright Ericsson AB 2010-2012. 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 @@ -30,11 +30,9 @@ -module(dialyzer_behaviours). --export([check_callbacks/4, get_behaviours/2, get_behaviour_apis/1, - translate_behaviour_api_call/5, translatable_behaviours/1, - translate_callgraph/3]). +-export([check_callbacks/5]). --export_type([behaviour/0, behaviour_api_dict/0]). +-export_type([behaviour/0]). %%-------------------------------------------------------------------- @@ -47,21 +45,16 @@ -record(state, {plt :: dialyzer_plt:plt(), codeserver :: dialyzer_codeserver:codeserver(), filename :: file:filename(), - behlines :: [{behaviour(), non_neg_integer()}]}). + behlines :: [{behaviour(), non_neg_integer()}], + records :: dict()}). %%-------------------------------------------------------------------- --spec get_behaviours([module()], dialyzer_codeserver:codeserver()) -> - {[behaviour()], [behaviour()]}. - -get_behaviours(Modules, Codeserver) -> - get_behaviours(Modules, Codeserver, [], []). - --spec check_callbacks(module(), [{cerl:cerl(), cerl:cerl()}], +-spec check_callbacks(module(), [{cerl:cerl(), cerl:cerl()}], dict(), dialyzer_plt:plt(), dialyzer_codeserver:codeserver()) -> [dial_warning()]. -check_callbacks(Module, Attrs, Plt, Codeserver) -> +check_callbacks(Module, Attrs, Records, Plt, Codeserver) -> {Behaviours, BehLines} = get_behaviours(Attrs), case Behaviours of [] -> []; @@ -69,76 +62,20 @@ check_callbacks(Module, Attrs, Plt, Codeserver) -> MFA = {Module,module_info,0}, {_Var,Code} = dialyzer_codeserver:lookup_mfa_code(MFA, Codeserver), File = get_file(cerl:get_ann(Code)), - State = #state{plt = Plt, codeserver = Codeserver, filename = File, - behlines = BehLines}, + State = #state{plt = Plt, filename = File, behlines = BehLines, + codeserver = Codeserver, records = Records}, Warnings = get_warnings(Module, Behaviours, State), [add_tag_file_line(Module, W, State) || W <- Warnings] end. --spec translatable_behaviours(cerl:c_module()) -> behaviour_api_dict(). - -translatable_behaviours(Tree) -> - Attrs = cerl:module_attrs(Tree), - {Behaviours, _BehLines} = get_behaviours(Attrs), - [{B, Calls} || B <- Behaviours, (Calls = behaviour_api_calls(B)) =/= []]. - --spec get_behaviour_apis([behaviour()]) -> [mfa()]. - -get_behaviour_apis(Behaviours) -> - get_behaviour_apis(Behaviours, []). - --spec translate_behaviour_api_call(dialyzer_races:mfa_or_funlbl(), - [erl_types:erl_type()], - [dialyzer_races:core_vars()], - module(), - behaviour_api_dict()) -> - {dialyzer_races:mfa_or_funlbl(), - [erl_types:erl_type()], - [dialyzer_races:core_vars()]} - | 'plain_call'. - -translate_behaviour_api_call(_Fun, _ArgTypes, _Args, _Module, []) -> - plain_call; -translate_behaviour_api_call({Module, Fun, Arity}, ArgTypes, Args, - CallbackModule, BehApiInfo) -> - case lists:keyfind(Module, 1, BehApiInfo) of - false -> plain_call; - {Module, Calls} -> - case lists:keyfind({Fun, Arity}, 1, Calls) of - false -> plain_call; - {{Fun, Arity}, {CFun, CArity, COrder}} -> - {{CallbackModule, CFun, CArity}, - [nth_or_0(N, ArgTypes, erl_types:t_any()) || N <-COrder], - [nth_or_0(N, Args, bypassed) || N <-COrder]} - end - end; -translate_behaviour_api_call(_Fun, _ArgTypes, _Args, _Module, _BehApiInfo) -> - plain_call. - --spec translate_callgraph(behaviour_api_dict(), atom(), - dialyzer_callgraph:callgraph()) -> - dialyzer_callgraph:callgraph(). - -translate_callgraph([{Behaviour,_}|Behaviours], Module, Callgraph) -> - UsedCalls = [Call || {_From, {M, _F, _A}} = Call <- - dialyzer_callgraph:get_behaviour_api_calls(Callgraph), - M =:= Behaviour], - Calls = [{{Behaviour, API, Arity}, Callback} || - {{API, Arity}, Callback} <- behaviour_api_calls(Behaviour)], - DirectCalls = [{From, {Module, Fun, Arity}} || - {From, To} <- UsedCalls,{API, {Fun, Arity, _Ord}} <- Calls, - To =:= API], - NewCallgraph = dialyzer_callgraph:add_edges(DirectCalls, Callgraph), - translate_callgraph(Behaviours, Module, NewCallgraph); -translate_callgraph([], _Module, Callgraph) -> - Callgraph. - %%-------------------------------------------------------------------- get_behaviours(Attrs) -> - BehaviourListsAndLine = [{cerl:concrete(L2), hd(cerl:get_ann(L2))} || - {L1, L2} <- Attrs, cerl:is_literal(L1), - cerl:is_literal(L2), cerl:concrete(L1) =:= 'behaviour'], + BehaviourListsAndLine = + [{cerl:concrete(L2), hd(cerl:get_ann(L2))} || + {L1, L2} <- Attrs, cerl:is_literal(L1), + cerl:is_literal(L2), cerl:concrete(L1) =:= 'behaviour' orelse + cerl:concrete(L1) =:= 'behavior'], Behaviours = lists:append([Behs || {Behs,_} <- BehaviourListsAndLine]), BehLines = [{B,L} || {L1,L} <- BehaviourListsAndLine, B <- L1], {Behaviours, BehLines}. @@ -149,120 +86,128 @@ get_warnings(Module, Behaviours, State) -> get_warnings(_, [], _, Acc) -> Acc; get_warnings(Module, [Behaviour|Rest], State, Acc) -> - Warnings = check_behaviour(Module, Behaviour, State), - get_warnings(Module, Rest, State, Warnings ++ Acc). - -check_behaviour(Module, Behaviour, State) -> - try - Callbacks = Behaviour:behaviour_info(callbacks), - Fun = fun({_,_,_}) -> true; - (_) -> false - end, - case lists:any(Fun, Callbacks) of - true -> check_all_callbacks(Module, Behaviour, Callbacks, State); - false -> [] - end - catch - _:_ -> [] + NewAcc = check_behaviour(Module, Behaviour, State, Acc), + get_warnings(Module, Rest, State, NewAcc). + +check_behaviour(Module, Behaviour, #state{plt = Plt} = State, Acc) -> + case dialyzer_plt:lookup_callbacks(Plt, Behaviour) of + none -> [{callback_info_missing, [Behaviour]}|Acc]; + {value, Callbacks} -> + check_all_callbacks(Module, Behaviour, Callbacks, State, Acc) end. -check_all_callbacks(Module, Behaviour, Callbacks, State) -> - check_all_callbacks(Module, Behaviour, Callbacks, State, []). - check_all_callbacks(_Module, _Behaviour, [], _State, Acc) -> Acc; -check_all_callbacks(Module, Behaviour, [{Fun, Arity, Spec}|Rest], - #state{codeserver = CServer} = State, Acc) -> - Records = dialyzer_codeserver:get_records(CServer), - ExpTypes = dialyzer_codeserver:get_exported_types(CServer), - case parse_spec(Spec, ExpTypes, Records) of - {ok, Fun, Type} -> - RetType = erl_types:t_fun_range(Type), - ArgTypes = erl_types:t_fun_args(Type), - Warns = check_callback(Module, Behaviour, Fun, Arity, RetType, - ArgTypes, State#state.plt); - Else -> - Warns = [{invalid_spec, [Behaviour, Fun, Arity, reason_spec_error(Else)]}] - end, - check_all_callbacks(Module, Behaviour, Rest, State, Warns ++ Acc); -check_all_callbacks(Module, Behaviour, [{Fun, Arity}|Rest], State, Acc) -> - Warns = {spec_missing, [Behaviour, Fun, Arity]}, - check_all_callbacks(Module, Behaviour, Rest, State, [Warns|Acc]). - -parse_spec(String, ExpTypes, Records) -> - case erl_scan:string(String) of - {ok, Tokens, _} -> - case erl_parse:parse(Tokens) of - {ok, Form} -> - case Form of - {attribute, _, 'spec', {{Fun, _}, [TypeForm|_Constraint]}} -> - MaybeRemoteType = erl_types:t_from_form(TypeForm), - try - Type = erl_types:t_solve_remote(MaybeRemoteType, ExpTypes, - Records), - {ok, Fun, Type} - catch - throw:{error,Msg} -> {spec_remote_error, Msg} - end; - _Other -> not_a_spec - end; - {error, {Line, _, Msg}} -> {spec_parser_error, Line, Msg} - end; - _Other -> - lexer_error - end. - -reason_spec_error({spec_remote_error, Msg}) -> - io_lib:format("Remote type solver error: ~s. Make sure the behaviour source is included in the analysis or the plt",[Msg]); -reason_spec_error(not_a_spec) -> - "This is not a spec"; -reason_spec_error({spec_parser_error, Line, Msg}) -> - io_lib:format("~s line of the spec: ~s", [ordinal(Line),Msg]); -reason_spec_error(lexer_error) -> - "Lexical error". - -ordinal(1) -> "1st"; -ordinal(2) -> "2nd"; -ordinal(3) -> "3rd"; -ordinal(N) when is_integer(N) -> io_lib:format("~wth",[N]). - -check_callback(Module, Behaviour, Fun, Arity, XRetType, XArgTypes, Plt) -> - LookupType = dialyzer_plt:lookup(Plt, {Module, Fun, Arity}), - case LookupType of - {value, {Type,Args}} -> - Warn1 = case unifiable(Type, XRetType) of - [] -> []; - Offenders -> +check_all_callbacks(Module, Behaviour, [Cb|Rest], + #state{plt = Plt, codeserver = Codeserver, + records = Records} = State, Acc) -> + {{Behaviour, Function, Arity}, + {{_BehFile, _BehLine}, Callback}} = Cb, + CbMFA = {Module, Function, Arity}, + CbReturnType = dialyzer_contracts:get_contract_return(Callback), + CbArgTypes = dialyzer_contracts:get_contract_args(Callback), + Acc0 = Acc, + Acc1 = + case dialyzer_plt:lookup(Plt, CbMFA) of + 'none' -> [{callback_missing, [Behaviour, Function, Arity]}|Acc0]; + {'value', RetArgTypes} -> + Acc00 = Acc0, + {ReturnType, ArgTypes} = RetArgTypes, + Acc01 = + case erl_types:t_is_subtype(ReturnType, CbReturnType) of + true -> Acc00; + false -> + case erl_types:t_is_none( + erl_types:t_inf(ReturnType, CbReturnType)) of + false -> Acc00; + true -> [{callback_type_mismatch, - [Behaviour, Fun, Arity, erl_types:t_sup(Offenders)]}] - end, - ZipArgs = lists:zip3(lists:seq(1, Arity), Args, XArgTypes), - Warn2 = [{callback_arg_type_mismatch, - [Behaviour, Fun, Arity, N, - erl_types:t_sup(Offenders)]} || - {Offenders, N} <- [check_callback_1(V) || V <- ZipArgs], - Offenders =/= []], - Warn1 ++ Warn2; - _ -> [{callback_missing, [Behaviour, Fun, Arity]}] - end. - -check_callback_1({N, T1, T2}) -> - {unifiable(T1, T2), N}. + [Behaviour, Function, Arity, + erl_types:t_to_string(ReturnType, Records), + erl_types:t_to_string(CbReturnType, Records)]}|Acc00] + end + end, + Acc02 = + case erl_types:any_none( + erl_types:t_inf_lists(ArgTypes, CbArgTypes)) of + false -> Acc01; + true -> + find_mismatching_args(type, ArgTypes, CbArgTypes, Behaviour, + Function, Arity, Records, 1, Acc01) + end, + Acc02 + end, + Acc2 = + case dialyzer_codeserver:lookup_mfa_contract(CbMFA, Codeserver) of + 'error' -> Acc1; + {ok, {{File, Line}, Contract}} -> + Acc10 = Acc1, + SpecReturnType0 = dialyzer_contracts:get_contract_return(Contract), + SpecArgTypes0 = dialyzer_contracts:get_contract_args(Contract), + SpecReturnType = erl_types:subst_all_vars_to_any(SpecReturnType0), + SpecArgTypes = + [erl_types:subst_all_vars_to_any(ArgT0) || ArgT0 <- SpecArgTypes0], + Acc11 = + case erl_types:t_is_subtype(SpecReturnType, CbReturnType) of + true -> Acc10; + false -> + ExtraType = erl_types:t_subtract(SpecReturnType, CbReturnType), + [{callback_spec_type_mismatch, + [File, Line, Behaviour, Function, Arity, + erl_types:t_to_string(ExtraType, Records), + erl_types:t_to_string(CbReturnType, Records)]}|Acc10] + end, + Acc12 = + case erl_types:any_none( + erl_types:t_inf_lists(SpecArgTypes, CbArgTypes)) of + false -> Acc11; + true -> + find_mismatching_args({spec, File, Line}, SpecArgTypes, + CbArgTypes, Behaviour, Function, + Arity, Records, 1, Acc11) + end, + Acc12 + end, + NewAcc = Acc2, + check_all_callbacks(Module, Behaviour, Rest, State, NewAcc). -unifiable(Type1, Type2) -> - List1 = erl_types:t_elements(Type1), - List2 = erl_types:t_elements(Type2), - [T || T <- List1, - lists:all(fun(T1) -> - erl_types:t_is_none(erl_types:t_inf(T, T1, opaque)) - end, List2)]. +find_mismatching_args(_, [], [], _Beh, _Function, _Arity, _Records, _N, Acc) -> + Acc; +find_mismatching_args(Kind, [Type|Rest], [CbType|CbRest], Behaviour, + Function, Arity, Records, N, Acc) -> + case erl_types:t_is_none(erl_types:t_inf(Type, CbType)) of + false -> + find_mismatching_args(Kind, Rest, CbRest, Behaviour, Function, + Arity, Records, N+1, Acc); + true -> + Info = + [Behaviour, Function, Arity, N, + erl_types:t_to_string(Type, Records), + erl_types:t_to_string(CbType, Records)], + NewAcc = + [case Kind of + type -> {callback_arg_type_mismatch, Info}; + {spec, File, Line} -> + {callback_spec_arg_type_mismatch, [File, Line | Info]} + end | Acc], + find_mismatching_args(Kind, Rest, CbRest, Behaviour, Function, + Arity, Records, N+1, NewAcc) + end. add_tag_file_line(_Module, {Tag, [B|_R]} = Warn, State) - when Tag =:= spec_missing; - Tag =:= invalid_spec; - Tag =:= callback_missing -> + when Tag =:= callback_missing; + Tag =:= callback_info_missing -> {B, Line} = lists:keyfind(B, 1, State#state.behlines), - {?WARN_BEHAVIOUR, {State#state.filename, Line}, Warn}; + Category = + case Tag of + callback_missing -> ?WARN_BEHAVIOUR; + callback_info_missing -> ?WARN_UNDEFINED_CALLBACK + end, + {Category, {State#state.filename, Line}, Warn}; +add_tag_file_line(_Module, {Tag, [File, Line|R]}, _State) + when Tag =:= callback_spec_type_mismatch; + Tag =:= callback_spec_arg_type_mismatch -> + {?WARN_BEHAVIOUR, {File, Line}, {Tag, R}}; add_tag_file_line(Module, {_Tag, [_B, Fun, Arity|_R]} = Warn, State) -> {_A, FunCode} = dialyzer_codeserver:lookup_mfa_code({Module, Fun, Arity}, @@ -277,74 +222,3 @@ get_line([]) -> -1. get_file([{file, File}|_]) -> File; get_file([_|Tail]) -> get_file(Tail). - -%%----------------------------------------------------------------------------- - -get_behaviours([], _Codeserver, KnownAcc, UnknownAcc) -> - {KnownAcc, UnknownAcc}; -get_behaviours([M|Rest], Codeserver, KnownAcc, UnknownAcc) -> - Tree = dialyzer_codeserver:lookup_mod_code(M, Codeserver), - Attrs = cerl:module_attrs(Tree), - {Behaviours, _BehLines} = get_behaviours(Attrs), - {Known, Unknown} = call_behaviours(Behaviours), - get_behaviours(Rest, Codeserver, Known ++ KnownAcc, Unknown ++ UnknownAcc). - -call_behaviours(Behaviours) -> - call_behaviours(Behaviours, [], []). -call_behaviours([], KnownAcc, UnknownAcc) -> - {lists:reverse(KnownAcc), lists:reverse(UnknownAcc)}; -call_behaviours([Behaviour|Rest], KnownAcc, UnknownAcc) -> - try - Callbacks = Behaviour:behaviour_info(callbacks), - Fun = fun({_,_,_}) -> true; - (_) -> false - end, - case lists:any(Fun, Callbacks) of - false -> call_behaviours(Rest, KnownAcc, [Behaviour | UnknownAcc]); - true -> call_behaviours(Rest, [Behaviour | KnownAcc], UnknownAcc) - end - catch - _:_ -> call_behaviours(Rest, KnownAcc, [Behaviour | UnknownAcc]) - end. - -%------------------------------------------------------------------------------ - -get_behaviour_apis([], Acc) -> - Acc; -get_behaviour_apis([Behaviour | Rest], Acc) -> - MFAs = [{Behaviour, Fun, Arity} || - {{Fun, Arity}, _} <- behaviour_api_calls(Behaviour)], - get_behaviour_apis(Rest, MFAs ++ Acc). - -%------------------------------------------------------------------------------ - -nth_or_0(0, _List, Zero) -> - Zero; -nth_or_0(N, List, _Zero) -> - lists:nth(N, List). - -%------------------------------------------------------------------------------ - --type behaviour_api_dict()::[{behaviour(), behaviour_api_info()}]. --type behaviour_api_info()::[{original_fun(), replacement_fun()}]. --type original_fun()::{atom(), arity()}. --type replacement_fun()::{atom(), arity(), arg_list()}. --type arg_list()::[byte()]. - --spec behaviour_api_calls(behaviour()) -> behaviour_api_info(). - -behaviour_api_calls(gen_server) -> - [{{start_link, 3}, {init, 1, [2]}}, - {{start_link, 4}, {init, 1, [3]}}, - {{start, 3}, {init, 1, [2]}}, - {{start, 4}, {init, 1, [3]}}, - {{call, 2}, {handle_call, 3, [2, 0, 0]}}, - {{call, 3}, {handle_call, 3, [2, 0, 0]}}, - {{multi_call, 2}, {handle_call, 3, [2, 0, 0]}}, - {{multi_call, 3}, {handle_call, 3, [3, 0, 0]}}, - {{multi_call, 4}, {handle_call, 3, [3, 0, 0]}}, - {{cast, 2}, {handle_cast, 2, [2, 0]}}, - {{abcast, 2}, {handle_cast, 2, [2, 0]}}, - {{abcast, 3}, {handle_cast, 2, [3, 0]}}]; -behaviour_api_calls(_Other) -> - []. diff --git a/lib/dialyzer/src/dialyzer_callgraph.erl b/lib/dialyzer/src/dialyzer_callgraph.erl index d3de5aaf45..64e0ee88af 100644 --- a/lib/dialyzer/src/dialyzer_callgraph.erl +++ b/lib/dialyzer/src/dialyzer_callgraph.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2010. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -28,6 +28,7 @@ -module(dialyzer_callgraph). -export([add_edges/2, + add_edges/3, all_nodes/1, delete/1, finalize/1, @@ -43,12 +44,15 @@ %% module_postorder/1, module_postorder_from_funs/2, new/0, + get_depends_on/2, + get_required_by/2, in_neighbours/2, renew_race_info/4, + renew_race_code/2, + renew_race_public_tables/2, reset_from_funs/2, scan_core_tree/2, strip_module_deps/2, - take_scc/1, remove_external/1, to_dot/2, to_ps/3]). @@ -57,15 +61,14 @@ get_race_code/1, get_race_detection/1, race_code_new/1, put_digraph/2, put_race_code/2, put_race_detection/2, put_named_tables/2, put_public_tables/2, put_behaviour_api_calls/2, - get_behaviour_api_calls/1]). + get_behaviour_api_calls/1, dispose_race_server/1, duplicate/1]). --export_type([callgraph/0]). +-export_type([callgraph/0, mfa_or_funlbl/0, callgraph_edge/0]). -include("dialyzer.hrl"). %%---------------------------------------------------------------------- --type mfa_or_funlbl() :: label() | mfa(). -type scc() :: [mfa_or_funlbl()]. -type mfa_calls() :: [{mfa_or_funlbl(), mfa_or_funlbl()}]. @@ -78,9 +81,6 @@ %% digraph - A digraph representing the callgraph. %% Nodes are represented as MFAs or labels. %% esc - A set of all escaping functions as reported by dialyzer_dep. -%% postorder - A list of strongly connected components of the callgraph -%% sorted in a topological bottom-up order. -%% This is produced by calling finalize/1. %% name_map - A mapping from label to MFA. %% rev_name_map - A reverse mapping of the name_map. %% rec_var_map - A dict mapping from letrec bound labels to function names. @@ -91,29 +91,42 @@ %%----------------------------------------------------------------------------- -record(callgraph, {digraph = digraph:new() :: digraph(), - esc = sets:new() :: set(), - name_map = dict:new() :: dict(), - rev_name_map = dict:new() :: dict(), - postorder = [] :: [scc()], - rec_var_map = dict:new() :: dict(), - self_rec = sets:new() :: set(), - calls = dict:new() :: dict(), - race_code = dict:new() :: dict(), - public_tables = [] :: [label()], - named_tables = [] :: [string()], + active_digraph :: active_digraph(), + esc :: ets:tid(), + name_map :: ets:tid(), + rev_name_map :: ets:tid(), + rec_var_map :: ets:tid(), + self_rec :: ets:tid(), + calls :: ets:tid(), race_detection = false :: boolean(), - beh_api_calls = [] :: [{mfa(), mfa()}]}). + race_data_server = new_race_data_server() :: pid()}). + +-record(race_data_state, {race_code = dict:new() :: dict(), + public_tables = [] :: [label()], + named_tables = [] :: [string()], + beh_api_calls = [] :: [{mfa(), mfa()}]}). %% Exported Types -type callgraph() :: #callgraph{}. +-type active_digraph() :: {'d', digraph()} | {'e', ets:tid(), ets:tid()}. + %%---------------------------------------------------------------------- -spec new() -> callgraph(). new() -> - #callgraph{}. + [ETSEsc, ETSNameMap, ETSRevNameMap, ETSRecVarMap, ETSSelfRec, ETSCalls] = + [ets:new(N,[public, {read_concurrency, true}]) || + N <- [callgraph_esc, callgraph_name_map, callgraph_rev_name_map, + callgraph_rec_var_map, callgraph_self_rec, callgraph_calls]], + #callgraph{esc = ETSEsc, + name_map = ETSNameMap, + rev_name_map = ETSRevNameMap, + rec_var_map = ETSRecVarMap, + self_rec = ETSSelfRec, + calls = ETSCalls}. -spec delete(callgraph()) -> 'true'. @@ -129,32 +142,32 @@ all_nodes(#callgraph{digraph = DG}) -> lookup_rec_var(Label, #callgraph{rec_var_map = RecVarMap}) when is_integer(Label) -> - dict:find(Label, RecVarMap). + ets_lookup_dict(Label, RecVarMap). -spec lookup_call_site(label(), callgraph()) -> 'error' | {'ok', [_]}. % XXX: refine lookup_call_site(Label, #callgraph{calls = Calls}) when is_integer(Label) -> - dict:find(Label, Calls). + ets_lookup_dict(Label, Calls). -spec lookup_name(label(), callgraph()) -> 'error' | {'ok', mfa()}. lookup_name(Label, #callgraph{name_map = NameMap}) when is_integer(Label) -> - dict:find(Label, NameMap). + ets_lookup_dict(Label, NameMap). -spec lookup_label(mfa_or_funlbl(), callgraph()) -> 'error' | {'ok', integer()}. lookup_label({_,_,_} = MFA, #callgraph{rev_name_map = RevNameMap}) -> - dict:find(MFA, RevNameMap); + ets_lookup_dict(MFA, RevNameMap); lookup_label(Label, #callgraph{}) when is_integer(Label) -> {ok, Label}. -spec in_neighbours(mfa_or_funlbl(), callgraph()) -> 'none' | [mfa_or_funlbl(),...]. -in_neighbours(Label, #callgraph{digraph = Digraph, name_map = NameMap}) +in_neighbours(Label, #callgraph{digraph = Digraph} = CG) when is_integer(Label) -> - Name = case dict:find(Label, NameMap) of + Name = case lookup_name(Label, CG) of {ok, Val} -> Val; error -> Label end, @@ -165,39 +178,32 @@ in_neighbours({_, _, _} = MFA, #callgraph{digraph = Digraph}) -> -spec is_self_rec(mfa_or_funlbl(), callgraph()) -> boolean(). is_self_rec(MfaOrLabel, #callgraph{self_rec = SelfRecs}) -> - sets:is_element(MfaOrLabel, SelfRecs). + ets_lookup_set(MfaOrLabel, SelfRecs). -spec is_escaping(label(), callgraph()) -> boolean(). is_escaping(Label, #callgraph{esc = Esc}) when is_integer(Label) -> - sets:is_element(Label, Esc). + ets_lookup_set(Label, Esc). -type callgraph_edge() :: {mfa_or_funlbl(),mfa_or_funlbl()}. --spec add_edges([callgraph_edge()], callgraph()) -> callgraph(). +-spec add_edges([callgraph_edge()], callgraph()) -> ok. -add_edges([], CG) -> - CG; -add_edges(Edges, #callgraph{digraph = Callgraph} = CG) -> - CG#callgraph{digraph = digraph_add_edges(Edges, Callgraph)}. +add_edges([], _CG) -> + ok; +add_edges(Edges, #callgraph{digraph = Digraph}) -> + digraph_add_edges(Edges, Digraph). --spec add_edges([callgraph_edge()], [mfa_or_funlbl()], callgraph()) -> callgraph(). +-spec add_edges([callgraph_edge()], [mfa_or_funlbl()], callgraph()) -> ok. add_edges(Edges, MFAs, #callgraph{digraph = DG} = CG) -> - DG1 = digraph_confirm_vertices(MFAs, DG), - add_edges(Edges, CG#callgraph{digraph = DG1}). - --spec take_scc(callgraph()) -> 'none' | {'ok', scc(), callgraph()}. - -take_scc(#callgraph{postorder = [SCC|SCCs]} = CG) -> - {ok, SCC, CG#callgraph{postorder = SCCs}}; -take_scc(#callgraph{postorder = []}) -> - none. + digraph_confirm_vertices(MFAs, DG), + add_edges(Edges, CG). -spec remove_external(callgraph()) -> {callgraph(), [tuple()]}. remove_external(#callgraph{digraph = DG} = CG) -> - {NewDG, External} = digraph_remove_external(DG), - {CG#callgraph{digraph = NewDG}, External}. + {DG, External} = digraph_remove_external(DG), + {CG, External}. -spec non_local_calls(callgraph()) -> mfa_calls(). @@ -221,13 +227,25 @@ find_non_local_calls([{Label1, Label2}|Left], Set) when is_integer(Label1), find_non_local_calls([], Set) -> sets:to_list(Set). --spec renew_race_info(callgraph(), dict(), [label()], [string()]) -> - callgraph(). +-spec get_depends_on(scc() | module(), callgraph()) -> [scc()]. + +get_depends_on(SCC, #callgraph{active_digraph = {'e', Out, _In}}) -> + case ets_lookup_dict(SCC, Out) of + {ok, Value} -> Value; + error -> [] + end; +get_depends_on(SCC, #callgraph{active_digraph = {'d', DG}}) -> + digraph:out_neighbours(DG, SCC). + +-spec get_required_by(scc() | module(), callgraph()) -> [scc()]. -renew_race_info(CG, RaceCode, PublicTables, NamedTables) -> - CG#callgraph{race_code = RaceCode, - public_tables = PublicTables, - named_tables = NamedTables}. +get_required_by(SCC, #callgraph{active_digraph = {'e', _Out, In}}) -> + case ets_lookup_dict(SCC, In) of + {ok, Value} -> Value; + error -> [] + end; +get_required_by(SCC, #callgraph{active_digraph = {'d', DG}}) -> + digraph:in_neighbours(DG, SCC). %%---------------------------------------------------------------------- %% Handling of modules & SCCs @@ -238,33 +256,38 @@ renew_race_info(CG, RaceCode, PublicTables, NamedTables) -> modules(#callgraph{digraph = DG}) -> ordsets:from_list([M || {M,_F,_A} <- digraph_vertices(DG)]). --spec module_postorder(callgraph()) -> [[module()]]. +-spec module_postorder(callgraph()) -> {[module()], {'d', digraph()}}. module_postorder(#callgraph{digraph = DG}) -> - Edges = digraph_edges(DG), - Nodes = ordsets:from_list([M || {M,_F,_A} <- digraph_vertices(DG)]), - MDG = digraph:new(), - MDG1 = digraph_confirm_vertices(Nodes, MDG), - MDG2 = create_module_digraph(Edges, MDG1), - MDG3 = digraph_utils:condensation(MDG2), - PostOrder = digraph_utils:postorder(MDG3), - PostOrder1 = sort_sccs_internally(PostOrder, MDG2), - digraph:delete(MDG2), - digraph_delete(MDG3), - PostOrder1. + Edges = lists:foldl(fun edge_fold/2, sets:new(), digraph_edges(DG)), + Nodes = sets:from_list([M || {M,_F,_A} <- digraph_vertices(DG)]), + MDG = digraph:new([acyclic]), + digraph_confirm_vertices(sets:to_list(Nodes), MDG), + Foreach = fun({M1,M2}) -> digraph:add_edge(MDG, M1, M2) end, + lists:foreach(Foreach, sets:to_list(Edges)), + {digraph_utils:topsort(MDG), {'d', MDG}}. + +edge_fold({{M1,_,_},{M2,_,_}}, Set) -> + case M1 =/= M2 of + true -> sets:add_element({M1,M2},Set); + false -> Set + end; +edge_fold(_, Set) -> Set. + %% The module deps of a module are modules that depend on the module -spec module_deps(callgraph()) -> dict(). module_deps(#callgraph{digraph = DG}) -> - Edges = digraph_edges(DG), - Nodes = ordsets:from_list([M || {M,_F,_A} <- digraph_vertices(DG)]), + Edges = lists:foldl(fun edge_fold/2, sets:new(), digraph_edges(DG)), + Nodes = sets:from_list([M || {M,_F,_A} <- digraph_vertices(DG)]), MDG = digraph:new(), - MDG1 = digraph_confirm_vertices(Nodes, MDG), - MDG2 = create_module_digraph(Edges, MDG1), - Deps = [{N, ordsets:from_list(digraph:in_neighbours(MDG2, N))} - || N <- Nodes], - digraph_delete(MDG2), + digraph_confirm_vertices(sets:to_list(Nodes), MDG), + Foreach = fun({M1,M2}) -> digraph:add_edge(MDG, M1, M2) end, + lists:foreach(Foreach, sets:to_list(Edges)), + Deps = [{N, ordsets:from_list(digraph:in_neighbours(MDG, N))} + || N <- sets:to_list(Nodes)], + digraph_delete(MDG), dict:from_list(Deps). -spec strip_module_deps(dict(), set()) -> dict(). @@ -276,52 +299,42 @@ strip_module_deps(ModDeps, StripSet) -> FilterFun2 = fun(_Key, ValSet) -> ValSet =/= [] end, dict:filter(FilterFun2, ModDeps1). -sort_sccs_internally(PO, MDG) -> - sort_sccs_internally(PO, MDG, []). - -sort_sccs_internally([SCC|SCCs], MDG, Acc) -> - case SCC of - [_, _, _ | _] -> % length(SCC) >= 3 - TmpDG = digraph_utils:subgraph(MDG, SCC), - NewSCC = digraph_utils:postorder(TmpDG), - digraph_delete(TmpDG), - sort_sccs_internally(SCCs, MDG, [NewSCC|Acc]); - _ -> - sort_sccs_internally(SCCs, MDG, [SCC|Acc]) - end; -sort_sccs_internally([], _MDG, Acc) -> - lists:reverse(Acc). - -create_module_digraph([{{M, _, _}, {M, _, _}}|Left], MDG) -> - create_module_digraph(Left, MDG); -create_module_digraph([{{M1, _, _}, {M2, _, _}}|Left], MDG) -> - create_module_digraph(Left, digraph_add_edge(M1, M2, MDG)); -create_module_digraph([{_, _}|Left], MDG) -> - create_module_digraph(Left, MDG); -create_module_digraph([], MDG) -> - MDG. - --spec finalize(callgraph()) -> callgraph(). +-spec finalize(callgraph()) -> {[scc()], callgraph()}. finalize(#callgraph{digraph = DG} = CG) -> - CG#callgraph{postorder = digraph_finalize(DG)}. + {ActiveDG, Postorder} = condensation(DG), + {Postorder, CG#callgraph{active_digraph = ActiveDG}}. --spec reset_from_funs([mfa_or_funlbl()], callgraph()) -> callgraph(). +-spec reset_from_funs([mfa_or_funlbl()], callgraph()) -> {[scc()], callgraph()}. -reset_from_funs(Funs, #callgraph{digraph = DG} = CG) -> +reset_from_funs(Funs, #callgraph{digraph = DG, active_digraph = ADG} = CG) -> + active_digraph_delete(ADG), SubGraph = digraph_reaching_subgraph(Funs, DG), - Postorder = digraph_finalize(SubGraph), + {NewActiveDG, Postorder} = condensation(SubGraph), digraph_delete(SubGraph), - CG#callgraph{postorder = Postorder}. + {Postorder, CG#callgraph{active_digraph = NewActiveDG}}. --spec module_postorder_from_funs([mfa_or_funlbl()], callgraph()) -> [[module()]]. +-spec module_postorder_from_funs([mfa_or_funlbl()], callgraph()) -> + {[module()], callgraph()}. -module_postorder_from_funs(Funs, #callgraph{digraph = DG} = CG) -> +module_postorder_from_funs(Funs, #callgraph{digraph = DG, + active_digraph = ADG} = CG) -> + active_digraph_delete(ADG), SubGraph = digraph_reaching_subgraph(Funs, DG), - PO = module_postorder(CG#callgraph{digraph = SubGraph}), + {PO, Active} = module_postorder(CG#callgraph{digraph = SubGraph}), digraph_delete(SubGraph), - PO. - + {PO, CG#callgraph{active_digraph = Active}}. + +ets_lookup_dict(Key, Table) -> + try ets:lookup_element(Table, Key, 2) of + Val -> {ok, Val} + catch + _:_ -> error + end. + +ets_lookup_set(Key, Table) -> + ets:lookup(Table, Key) =/= []. + %%---------------------------------------------------------------------- %% Core code %%---------------------------------------------------------------------- @@ -330,36 +343,37 @@ module_postorder_from_funs(Funs, #callgraph{digraph = DG} = CG) -> %% The set of labels in the tree must be disjoint from the set of %% labels already occuring in the callgraph. --spec scan_core_tree(cerl:c_module(), callgraph()) -> callgraph(). +-spec scan_core_tree(cerl:c_module(), callgraph()) -> + {[mfa_or_funlbl()], [callgraph_edge()]}. -scan_core_tree(Tree, #callgraph{calls = OldCalls, - esc = OldEsc, - name_map = OldNameMap, - rec_var_map = OldRecVarMap, - rev_name_map = OldRevNameMap, - self_rec = OldSelfRec} = CG) -> +scan_core_tree(Tree, #callgraph{calls = ETSCalls, + esc = ETSEsc, + name_map = ETSNameMap, + rec_var_map = ETSRecVarMap, + rev_name_map = ETSRevNameMap, + self_rec = ETSSelfRec}) -> %% Build name map and recursion variable maps. - {NewNameMap, NewRevNameMap, NewRecVarMap} = - build_maps(Tree, OldRecVarMap, OldNameMap, OldRevNameMap), - + build_maps(Tree, ETSRecVarMap, ETSNameMap, ETSRevNameMap), + %% First find the module-local dependencies. {Deps0, EscapingFuns, Calls} = dialyzer_dep:analyze(Tree), - NewCalls = dict:merge(fun(_Key, Val, Val) -> Val end, OldCalls, Calls), - NewEsc = sets:union(sets:from_list(EscapingFuns), OldEsc), + true = ets:insert(ETSCalls, dict:to_list(Calls)), + true = ets:insert(ETSEsc, [{E} || E <- EscapingFuns]), + LabelEdges = get_edges_from_deps(Deps0), %% Find the self recursive functions. Named functions get both the %% key and their name for convenience. SelfRecs0 = lists:foldl(fun({Key, Key}, Acc) -> - case dict:find(Key, NewNameMap) of + case ets_lookup_dict(Key, ETSNameMap) of error -> [Key|Acc]; {ok, Name} -> [Key, Name|Acc] end; (_, Acc) -> Acc end, [], LabelEdges), - SelfRecs = sets:union(sets:from_list(SelfRecs0), OldSelfRec), + true = ets:insert(ETSSelfRec, [{S} || S <- SelfRecs0]), - NamedEdges1 = name_edges(LabelEdges, NewNameMap), + NamedEdges1 = name_edges(LabelEdges, ETSNameMap), %% We need to scan for inter-module calls since these are not tracked %% by dialyzer_dep. Note that the caller is always recorded as the @@ -378,27 +392,25 @@ scan_core_tree(Tree, #callgraph{calls = OldCalls, NewNamedEdges1 = [E || {From, To} = E <- NamedEdges1, From =/= top, To =/= top], NamedEdges3 = NewNamedEdges1 ++ NewNamedEdges2, - CG1 = add_edges(NamedEdges3, Names3, CG), - CG1#callgraph{calls = NewCalls, - esc = NewEsc, - name_map = NewNameMap, - rec_var_map = NewRecVarMap, - rev_name_map = NewRevNameMap, - self_rec = SelfRecs}. - -build_maps(Tree, RecVarMap, NameMap, RevNameMap) -> + {Names3, NamedEdges3}. + +build_maps(Tree, ETSRecVarMap, ETSNameMap, ETSRevNameMap) -> %% We only care about the named (top level) functions. The anonymous %% functions will be analysed together with their parents. Defs = cerl:module_defs(Tree), Mod = cerl:atom_val(cerl:module_name(Tree)), - lists:foldl(fun({Var, Function}, {AccNameMap, AccRevNameMap, AccRecVarMap}) -> - FunName = cerl:fname_id(Var), - Arity = cerl:fname_arity(Var), - MFA = {Mod, FunName, Arity}, - {dict:store(get_label(Function), MFA, AccNameMap), - dict:store(MFA, get_label(Function), AccRevNameMap), - dict:store(get_label(Var), MFA, AccRecVarMap)} - end, {NameMap, RevNameMap, RecVarMap}, Defs). + Fun = + fun({Var, Function}) -> + FunName = cerl:fname_id(Var), + Arity = cerl:fname_arity(Var), + MFA = {Mod, FunName, Arity}, + FunLabel = get_label(Function), + VarLabel = get_label(Var), + true = ets:insert(ETSNameMap, {FunLabel, MFA}), + true = ets:insert(ETSRevNameMap, {MFA, FunLabel}), + true = ets:insert(ETSRecVarMap, {VarLabel, MFA}) + end, + lists:foreach(Fun, Defs). get_edges_from_deps(Deps) -> %% Convert the dependencies as produced by dialyzer_dep to a list of @@ -411,22 +423,22 @@ get_edges_from_deps(Deps) -> end, [], Deps), lists:flatten(Edges). -name_edges(Edges, NameMap) -> +name_edges(Edges, ETSNameMap) -> %% If a label is present in the name map it is renamed. Otherwise %% keep the label as the identity. MapFun = fun(X) -> - case dict:find(X, NameMap) of + case ets_lookup_dict(X, ETSNameMap) of error -> X; {ok, MFA} -> MFA end end, - name_edges(Edges, MapFun, NameMap, []). + name_edges(Edges, MapFun, []). -name_edges([{From, To}|Left], MapFun, NameMap, Acc) -> +name_edges([{From, To}|Left], MapFun, Acc) -> NewFrom = MapFun(From), NewTo = MapFun(To), - name_edges(Left, MapFun, NameMap, [{NewFrom, NewTo}|Acc]); -name_edges([], _MapFun, _NameMap, Acc) -> + name_edges(Left, MapFun, [{NewFrom, NewTo}|Acc]); +name_edges([], _MapFun, Acc) -> Acc. scan_core_funs(Tree) -> @@ -478,9 +490,10 @@ get_label(T) -> %%---------------------------------------------------------------------- digraph_add_edges([{From, To}|Left], DG) -> - digraph_add_edges(Left, digraph_add_edge(From, To, DG)); -digraph_add_edges([], DG) -> - DG. + digraph_add_edge(From, To, DG), + digraph_add_edges(Left, DG); +digraph_add_edges([], _DG) -> + ok. digraph_add_edge(From, To, DG) -> case digraph:vertex(DG, From) of @@ -492,13 +505,13 @@ digraph_add_edge(From, To, DG) -> {To, _} -> ok end, digraph:add_edge(DG, {From, To}, From, To, []), - DG. + ok. digraph_confirm_vertices([MFA|Left], DG) -> digraph:add_vertex(DG, MFA, confirmed), digraph_confirm_vertices(Left, DG); -digraph_confirm_vertices([], DG) -> - DG. +digraph_confirm_vertices([], _DG) -> + ok. digraph_remove_external(DG) -> Vertices = digraph:vertices(DG), @@ -522,6 +535,12 @@ remove_unconfirmed([], DG, Unconfirmed) -> digraph_delete(DG) -> digraph:delete(DG). +active_digraph_delete({'d', DG}) -> + digraph:delete(DG); +active_digraph_delete({'e', Out, In}) -> + ets:delete(Out), + ets:delete(In). + digraph_edges(DG) -> digraph:edges(DG). @@ -534,75 +553,6 @@ digraph_in_neighbours(V, DG) -> List -> List end. -%% Pick all the independent nodes (leaves) from one module. Then try -%% to stay within the module until no more independent nodes can be -%% chosen. Then pick a new module and so on. -%% -%% Note that an SCC that ranges over more than one module is -%% considered to belong to all modules to make sure that we do not -%% lose any nodes. - -digraph_postorder(Digraph) -> - %% Remove all self-edges for SCCs. - Edges = [digraph:edge(Digraph, E) || E <- digraph:edges(Digraph)], - SelfEdges = [E || {E, V, V, _} <- Edges], - true = digraph:del_edges(Digraph, SelfEdges), - %% Determine the first module outside of the loop. - Leaves = digraph_leaves(Digraph), - case Leaves =:= [] of - true -> []; - false -> - {Module, Taken} = take_sccs_from_fresh_module(Leaves), - true = digraph:del_vertices(Digraph, Taken), - digraph_postorder(Digraph, Module, [Taken]) - end. - -digraph_postorder(Digraph, LastModule, Acc) -> - Leaves = digraph_leaves(Digraph), - case Leaves =:= [] of - true -> lists:append(lists:reverse(Acc)); - false -> - case [SCC || SCC <- Leaves, scc_belongs_to_module(SCC, LastModule)] of - [] -> - {NewModule, NewTaken} = take_sccs_from_fresh_module(Leaves), - true = digraph:del_vertices(Digraph, NewTaken), - digraph_postorder(Digraph, NewModule, [NewTaken|Acc]); - NewTaken -> - true = digraph:del_vertices(Digraph, NewTaken), - digraph_postorder(Digraph, LastModule, [NewTaken|Acc]) - end - end. - -digraph_leaves(Digraph) -> - [V || V <- digraph:vertices(Digraph), digraph:out_degree(Digraph, V) =:= 0]. - -take_sccs_from_fresh_module(Leaves) -> - NewModule = find_module(hd(Leaves)), - {NewModule, - [SCC || SCC <- Leaves, scc_belongs_to_module(SCC, NewModule)]}. - --spec scc_belongs_to_module(scc(), module()) -> boolean(). - -scc_belongs_to_module([Label|Left], Module) when is_integer(Label) -> - scc_belongs_to_module(Left, Module); -scc_belongs_to_module([{M, _, _}|Left], Module) -> - if M =:= Module -> true; - true -> scc_belongs_to_module(Left, Module) - end; -scc_belongs_to_module([], _Module) -> - false. - --spec find_module(scc()) -> module(). - -find_module([{M, _, _}|_]) -> M; -find_module([Label|Left]) when is_integer(Label) -> find_module(Left). - -digraph_finalize(DG) -> - DG1 = digraph_utils:condensation(DG), - Postorder = digraph_postorder(DG1), - digraph:delete(DG1), - Postorder. - digraph_reaching_subgraph(Funs, DG) -> Vertices = digraph_utils:reaching(Funs, DG), digraph_utils:subgraph(DG, Vertices). @@ -611,20 +561,71 @@ digraph_reaching_subgraph(Funs, DG) -> %% Races %%---------------------------------------------------------------------- +-spec renew_race_info(callgraph(), dict(), [label()], [string()]) -> + callgraph(). + +renew_race_info(#callgraph{race_data_server = RaceDataServer} = CG, + RaceCode, PublicTables, NamedTables) -> + ok = race_data_server_cast( + {renew_race_info, {RaceCode, PublicTables, NamedTables}}, + RaceDataServer), + CG. + +renew_race_info({RaceCode, PublicTables, NamedTables}, + #race_data_state{} = State) -> + State#race_data_state{race_code = RaceCode, + public_tables = PublicTables, + named_tables = NamedTables}. + +-spec renew_race_code(dialyzer_races:races(), callgraph()) -> callgraph(). + +renew_race_code(Races, #callgraph{race_data_server = RaceDataServer} = CG) -> + Fun = dialyzer_races:get_curr_fun(Races), + FunArgs = dialyzer_races:get_curr_fun_args(Races), + Code = lists:reverse(dialyzer_races:get_race_list(Races)), + ok = race_data_server_cast( + {renew_race_code, {Fun, FunArgs, Code}}, + RaceDataServer), + CG. + +renew_race_code_handler({Fun, FunArgs, Code}, + #race_data_state{race_code = RaceCode} = State) -> + State#race_data_state{race_code = dict:store(Fun, [FunArgs, Code], RaceCode)}. + +-spec renew_race_public_tables(label(), callgraph()) -> callgraph(). + +renew_race_public_tables(VarLabel, + #callgraph{race_data_server = RaceDataServer} = CG) -> + ok = + race_data_server_cast({renew_race_public_tables, VarLabel}, RaceDataServer), + CG. + +renew_race_public_tables_handler(VarLabel, + #race_data_state{public_tables = PT} + = State) -> + State#race_data_state{public_tables = ordsets:add_element(VarLabel, PT)}. + -spec cleanup(callgraph()) -> callgraph(). -cleanup(#callgraph{digraph = Digraph, - name_map = NameMap, - rev_name_map = RevNameMap, - public_tables = PublicTables, - named_tables = NamedTables, - race_code = RaceCode}) -> +cleanup(#callgraph{digraph = Digraph, + name_map = NameMap, + rev_name_map = RevNameMap, + race_data_server = RaceDataServer}) -> #callgraph{digraph = Digraph, - name_map = NameMap, - rev_name_map = RevNameMap, - public_tables = PublicTables, - named_tables = NamedTables, - race_code = RaceCode}. + name_map = NameMap, + rev_name_map = RevNameMap, + race_data_server = race_data_server_call(dup, RaceDataServer)}. + +-spec duplicate(callgraph()) -> callgraph(). + +duplicate(#callgraph{race_data_server = RaceDataServer} = Callgraph) -> + Callgraph#callgraph{ + race_data_server = race_data_server_call(dup, RaceDataServer)}. + +-spec dispose_race_server(callgraph()) -> ok. + +dispose_race_server(#callgraph{race_data_server = RaceDataServer}) -> + race_data_server_cast(stop, RaceDataServer). -spec get_digraph(callgraph()) -> digraph(). @@ -633,28 +634,34 @@ get_digraph(#callgraph{digraph = Digraph}) -> -spec get_named_tables(callgraph()) -> [string()]. -get_named_tables(#callgraph{named_tables = NamedTables}) -> - NamedTables. +get_named_tables(#callgraph{race_data_server = RaceDataServer}) -> + race_data_server_call(get_named_tables, RaceDataServer). -spec get_public_tables(callgraph()) -> [label()]. -get_public_tables(#callgraph{public_tables = PT}) -> - PT. +get_public_tables(#callgraph{race_data_server = RaceDataServer}) -> + race_data_server_call(get_public_tables, RaceDataServer). -spec get_race_code(callgraph()) -> dict(). -get_race_code(#callgraph{race_code = RaceCode}) -> - RaceCode. +get_race_code(#callgraph{race_data_server = RaceDataServer}) -> + race_data_server_call(get_race_code, RaceDataServer). -spec get_race_detection(callgraph()) -> boolean(). get_race_detection(#callgraph{race_detection = RD}) -> RD. +-spec get_behaviour_api_calls(callgraph()) -> [{mfa(), mfa()}]. + +get_behaviour_api_calls(#callgraph{race_data_server = RaceDataServer}) -> + race_data_server_call(get_behaviour_api_calls, RaceDataServer). + -spec race_code_new(callgraph()) -> callgraph(). -race_code_new(Callgraph) -> - Callgraph#callgraph{race_code = dict:new()}. +race_code_new(#callgraph{race_data_server = RaceDataServer} = CG) -> + ok = race_data_server_cast(race_code_new, RaceDataServer), + CG. -spec put_digraph(digraph(), callgraph()) -> callgraph(). @@ -663,8 +670,9 @@ put_digraph(Digraph, Callgraph) -> -spec put_race_code(dict(), callgraph()) -> callgraph(). -put_race_code(RaceCode, Callgraph) -> - Callgraph#callgraph{race_code = RaceCode}. +put_race_code(RaceCode, #callgraph{race_data_server = RaceDataServer} = CG) -> + ok = race_data_server_cast({put_race_code, RaceCode}, RaceDataServer), + CG. -spec put_race_detection(boolean(), callgraph()) -> callgraph(). @@ -673,13 +681,79 @@ put_race_detection(RaceDetection, Callgraph) -> -spec put_named_tables([string()], callgraph()) -> callgraph(). -put_named_tables(NamedTables, Callgraph) -> - Callgraph#callgraph{named_tables = NamedTables}. +put_named_tables(NamedTables, + #callgraph{race_data_server = RaceDataServer} = CG) -> + ok = race_data_server_cast({put_named_tables, NamedTables}, RaceDataServer), + CG. -spec put_public_tables([label()], callgraph()) -> callgraph(). -put_public_tables(PublicTables, Callgraph) -> - Callgraph#callgraph{public_tables = PublicTables}. +put_public_tables(PublicTables, + #callgraph{race_data_server = RaceDataServer} = CG) -> + ok = race_data_server_cast({put_public_tables, PublicTables}, RaceDataServer), + CG. + +-spec put_behaviour_api_calls([{mfa(), mfa()}], callgraph()) -> callgraph(). + +put_behaviour_api_calls(Calls, + #callgraph{race_data_server = RaceDataServer} = CG) -> + ok = race_data_server_cast({put_behaviour_api_calls, Calls}, RaceDataServer), + CG. + + +new_race_data_server() -> + spawn_link(fun() -> race_data_server_loop(#race_data_state{}) end). + +race_data_server_loop(State) -> + receive + {call, From, Ref, Query} -> + Reply = race_data_server_handle_call(Query, State), + From ! {Ref, Reply}, + race_data_server_loop(State); + {cast, stop} -> + ok; + {cast, Message} -> + NewState = race_data_server_handle_cast(Message, State), + race_data_server_loop(NewState) + end. + +race_data_server_call(Query, Server) -> + Ref = make_ref(), + Server ! {call, self(), Ref, Query}, + receive + {Ref, Reply} -> Reply + end. + +race_data_server_cast(Message, Server) -> + Server ! {cast, Message}, + ok. + +race_data_server_handle_cast(race_code_new, State) -> + State#race_data_state{race_code = dict:new()}; +race_data_server_handle_cast({Tag, Data}, State) -> + case Tag of + renew_race_info -> renew_race_info(Data, State); + renew_race_code -> renew_race_code_handler(Data, State); + renew_race_public_tables -> renew_race_public_tables_handler(Data, State); + put_race_code -> State#race_data_state{race_code = Data}; + put_public_tables -> State#race_data_state{public_tables = Data}; + put_named_tables -> State#race_data_state{named_tables = Data}; + put_behaviour_api_calls -> State#race_data_state{beh_api_calls = Data} + end. + +race_data_server_handle_call(Query, + #race_data_state{race_code = RaceCode, + public_tables = PublicTables, + named_tables = NamedTables, + beh_api_calls = BehApiCalls} + = State) -> + case Query of + dup -> spawn_link(fun() -> race_data_server_loop(State) end); + get_race_code -> RaceCode; + get_public_tables -> PublicTables; + get_named_tables -> NamedTables; + get_behaviour_api_calls -> BehApiCalls + end. %%============================================================================= %% Utilities for 'dot' @@ -695,7 +769,7 @@ to_dot(#callgraph{digraph = DG, esc = Esc} = CG, File) -> end end, Escaping = [{Fun(L), {color, red}} - || L <- sets:to_list(Esc), L =/= external], + || L <- [E || {E} <- ets:tab2list(Esc)], L =/= external], Vertices = digraph_edges(DG), hipe_dot:translate_list(Vertices, File, "CG", Escaping). @@ -708,14 +782,41 @@ to_ps(#callgraph{} = CG, File, Args) -> _ = os:cmd(Command), ok. -%------------------------------------------------------------------------------- - --spec put_behaviour_api_calls([{mfa(), mfa()}], callgraph()) -> callgraph(). - -put_behaviour_api_calls(Calls, Callgraph) -> - Callgraph#callgraph{beh_api_calls = Calls}. - --spec get_behaviour_api_calls(callgraph()) -> [{mfa(), mfa()}]. - -get_behaviour_api_calls(Callgraph) -> - Callgraph#callgraph.beh_api_calls. +condensation(G) -> + SCs = digraph_utils:strong_components(G), + V2I = ets:new(condensation_v2i, []), + I2C = ets:new(condensation_i2c, []), + I2I = ets:new(condensation_i2i, [bag]), + CFun = + fun(SC, N) -> + lists:foreach(fun(V) -> true = ets:insert(V2I, {V,N}) end, SC), + true = ets:insert(I2C, {N, SC}), + N + 1 + end, + lists:foldl(CFun, 1, SCs), + Fun1 = + fun({V1, V2}) -> + I1 = ets:lookup_element(V2I, V1, 2), + I2 = ets:lookup_element(V2I, V2, 2), + case I1 =:= I2 of + true -> true; + false -> ets:insert(I2I, {I1, I2}) + end + end, + lists:foreach(Fun1, digraph:edges(G)), + Fun3 = + fun({I1, I2}, {Out, In}) -> + SC1 = ets:lookup_element(I2C, I1, 2), + SC2 = ets:lookup_element(I2C, I2, 2), + {dict:append(SC1, SC2, Out), dict:append(SC2, SC1, In)} + end, + {OutDict, InDict} = ets:foldl(Fun3, {dict:new(), dict:new()}, I2I), + [OutETS, InETS] = + [ets:new(Name,[{read_concurrency, true}]) || + Name <- [callgraph_deps_out, callgraph_deps_in]], + ets:insert(OutETS, dict:to_list(OutDict)), + ets:insert(InETS, dict:to_list(InDict)), + ets:delete(V2I), + ets:delete(I2C), + ets:delete(I2I), + {{'e', OutETS, InETS}, SCs}. diff --git a/lib/dialyzer/src/dialyzer_cl.erl b/lib/dialyzer/src/dialyzer_cl.erl index 8d61216b7a..6732d96b98 100644 --- a/lib/dialyzer/src/dialyzer_cl.erl +++ b/lib/dialyzer/src/dialyzer_cl.erl @@ -2,7 +2,7 @@ %%------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2011. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -29,10 +29,6 @@ -module(dialyzer_cl). -%% Avoid warning for local function error/1 clashing with autoimported BIF. --compile({no_auto_import,[error/1]}). -%% Avoid warning for local function error/2 clashing with autoimported BIF. --compile({no_auto_import,[error/2]}). -export([start/1]). -include("dialyzer.hrl"). @@ -88,7 +84,7 @@ init_opts_for_build(Opts) -> Plts -> Msg = io_lib:format("Could not build multiple PLT files: ~s\n", [format_plts(Plts)]), - error(Msg) + cl_error(Msg) end; false -> Opts#options{init_plts = []} end. @@ -110,7 +106,7 @@ init_opts_for_add(Opts) -> Plts -> Msg = io_lib:format("Could not add to multiple PLT files: ~s\n", [format_plts(Plts)]), - error(Msg) + cl_error(Msg) end; false -> case Opts#options.init_plts =:= [] of @@ -134,11 +130,12 @@ check_plt_aux([_] = Plt, Opts) -> report_check(Opts2), plt_common(Opts2, [], []); check_plt_aux([Plt|Plts], Opts) -> - Opts1 = Opts#options{init_plts = [Plt]}, - Opts2 = init_opts_for_check(Opts1), - report_check(Opts2), - plt_common(Opts2, [], []), - check_plt_aux(Plts, Opts). + case check_plt_aux([Plt], Opts) of + {?RET_NOTHING_SUSPICIOUS, []} -> check_plt_aux(Plts, Opts); + {?RET_DISCREPANCIES, Warns} -> + {_RET, MoreWarns} = check_plt_aux(Plts, Opts), + {?RET_DISCREPANCIES, Warns ++ MoreWarns} + end. init_opts_for_check(Opts) -> InitPlt = @@ -175,7 +172,7 @@ init_opts_for_remove(Opts) -> Plts -> Msg = io_lib:format("Could not remove from multiple PLT files: ~s\n", [format_plts(Plts)]), - error(Msg) + cl_error(Msg) end; false -> case Opts#options.init_plts =:= [] of @@ -191,9 +188,10 @@ plt_common(#options{init_plts = [InitPlt]} = Opts, RemoveFiles, AddFiles) -> ok -> case Opts#options.output_plt of none -> ok; + InitPlt -> ok; OutPlt -> {ok, Binary} = file:read_file(InitPlt), - file:write_file(OutPlt, Binary) + ok = file:write_file(OutPlt, Binary) end, case Opts#options.report_mode of quiet -> ok; @@ -221,19 +219,19 @@ plt_common(#options{init_plts = [InitPlt]} = Opts, RemoveFiles, AddFiles) -> {error, no_such_file} -> Msg = io_lib:format("Could not find the PLT: ~s\n~s", [InitPlt, default_plt_error_msg()]), - error(Msg); + cl_error(Msg); {error, not_valid} -> Msg = io_lib:format("The file: ~s is not a valid PLT file\n~s", [InitPlt, default_plt_error_msg()]), - error(Msg); + cl_error(Msg); {error, read_error} -> Msg = io_lib:format("Could not read the PLT: ~s\n~s", [InitPlt, default_plt_error_msg()]), - error(Msg); + cl_error(Msg); {error, {no_file_to_remove, F}} -> Msg = io_lib:format("Could not remove the file ~s from the PLT: ~s\n", [F, InitPlt]), - error(Msg) + cl_error(Msg) end. default_plt_error_msg() -> @@ -396,10 +394,12 @@ do_analysis(Files, Options, Plt, PltInfo) -> defines = Options#options.defines, include_dirs = Options#options.include_dirs, files = Files, - start_from = Options#options.from, + start_from = Options#options.from, + timing = Options#options.timing, plt = Plt, use_contracts = Options#options.use_contracts, - callgraph_file = Options#options.callgraph_file}, + callgraph_file = Options#options.callgraph_file, + solvers = Options#options.solvers}, State3 = start_analysis(State2, InitAnalysis), {T1, _} = statistics(wall_clock), Return = cl_loop(State3), @@ -426,7 +426,7 @@ assert_writable(PltFile) -> true -> ok; false -> Msg = io_lib:format(" The PLT file ~s is not writable", [PltFile]), - error(Msg) + cl_error(Msg) end. check_if_writable(PltFile) -> @@ -525,10 +525,7 @@ native_compile(Mods) -> end. hc(Mod) -> - case code:ensure_loaded(Mod) of - {module, Mod} -> ok; - {error, sticky_directory} -> ok - end, + {module, Mod} = code:ensure_loaded(Mod), case code:is_module_native(Mod) of true -> ok; false -> @@ -553,7 +550,7 @@ init_output(State0, #options{output_file = OutFile, {error, Reason} -> Msg = io_lib:format("Could not open output file ~p, Reason: ~p\n", [OutFile, Reason]), - error(State, lists:flatten(Msg)) + cl_error(State, lists:flatten(Msg)) end end. @@ -599,10 +596,10 @@ cl_loop(State, LogCache) -> cl_loop(NewState, LogCache); {'EXIT', BackendPid, {error, Reason}} -> Msg = failed_anal_msg(Reason, LogCache), - error(State, Msg); + cl_error(State, Msg); {'EXIT', BackendPid, Reason} when Reason =/= 'normal' -> Msg = failed_anal_msg(io_lib:format("~P", [Reason, 12]), LogCache), - error(State, Msg); + cl_error(State, Msg); _Other -> %% io:format("Received ~p\n", [_Other]), cl_loop(State, LogCache) @@ -611,7 +608,7 @@ cl_loop(State, LogCache) -> -spec failed_anal_msg(string(), [_]) -> nonempty_string(). failed_anal_msg(Reason, LogCache) -> - Msg = "Analysis failed with error: " ++ Reason ++ "\n", + Msg = "Analysis failed with error:\n" ++ Reason ++ "\n", case LogCache =:= [] of true -> Msg; false -> @@ -635,14 +632,14 @@ store_warnings(#cl_state{stored_warnings = StoredWarnings} = St, Warnings) -> store_unknown_behaviours(#cl_state{unknown_behaviours = Behs} = St, Beh) -> St#cl_state{unknown_behaviours = Beh ++ Behs}. --spec error(string()) -> no_return(). +-spec cl_error(string()) -> no_return(). -error(Msg) -> +cl_error(Msg) -> throw({dialyzer_error, Msg}). --spec error(#cl_state{}, string()) -> no_return(). +-spec cl_error(#cl_state{}, string()) -> no_return(). -error(State, Msg) -> +cl_error(State, Msg) -> case State#cl_state.output of standard_io -> ok; Outfile -> io:format(Outfile, "\n~s\n", [Msg]) @@ -754,15 +751,13 @@ print_unknown_behaviours(#cl_state{output = Output, true -> io:nl(Output); %% Need to do a newline first false -> ok end, - case Format of - formatted -> - io:put_chars(Output, "Unknown behaviours (behaviour_info(callbacks)" - " does not return any specs):\n"), - do_print_unknown_behaviours(Output, Behaviours, " "); - raw -> - io:put_chars(Output, "%% Unknown behaviours:\n"), - do_print_unknown_behaviours(Output, Behaviours, "%% ") - end + {Prompt, Prefix} = + case Format of + formatted -> {"Unknown behaviours:\n"," "}; + raw -> {"%% Unknown behaviours:\n","%% "} + end, + io:put_chars(Output, Prompt), + do_print_unknown_behaviours(Output, Behaviours, Prefix) end. do_print_unknown_behaviours(Output, [B|T], Before) -> diff --git a/lib/dialyzer/src/dialyzer_cl_parse.erl b/lib/dialyzer/src/dialyzer_cl_parse.erl index f80eb81ac6..2ea3d3af5a 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 2006-2011. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -164,6 +164,13 @@ cl(["--src"|T]) -> cl(["--no_spec"|T]) -> put(dialyzer_options_use_contracts, false), cl(T); +cl(["--statistics"|T]) -> + put(dialyzer_timing, true), + cl(T); +cl(["--resources"|T]) -> + put(dialyzer_options_report_mode, quiet), + put(dialyzer_timing, debug), + cl(T); cl(["-v"|_]) -> io:format("Dialyzer version "++?VSN++"\n"), erlang:halt(?RET_NOTHING_SUSPICIOUS); @@ -191,6 +198,9 @@ cl(["--gui"|T]) -> cl(["--wx"|T]) -> put(dialyzer_options_mode, {gui, wx}), cl(T); +cl(["--solver",Solver|T]) -> % not documented + append_var(dialyzer_solvers, [list_to_atom(Solver)]), + cl(T); cl([H|_] = L) -> case filelib:is_file(H) orelse filelib:is_dir(H) of true -> @@ -250,6 +260,8 @@ init() -> put(dialyzer_output_format, formatted), put(dialyzer_filename_opt, basename), put(dialyzer_options_check_plt, DefaultOpts#options.check_plt), + put(dialyzer_timing, DefaultOpts#options.timing), + put(dialyzer_solvers, DefaultOpts#options.solvers), ok. append_defines([Def, Val]) -> @@ -290,6 +302,7 @@ cl_options() -> {filename_opt, get(dialyzer_filename_opt)}, {analysis_type, get(dialyzer_options_analysis_type)}, {get_warnings, get(dialyzer_options_get_warnings)}, + {timing, get(dialyzer_timing)}, {callgraph_file, get(dialyzer_callgraph_file)} |common_options()]. @@ -302,7 +315,8 @@ common_options() -> {report_mode, get(dialyzer_options_report_mode)}, {use_spec, get(dialyzer_options_use_contracts)}, {warnings, get(dialyzer_warnings)}, - {check_plt, get(dialyzer_options_check_plt)}]. + {check_plt, get(dialyzer_options_check_plt)}, + {solvers, get(dialyzer_solvers)}]. %%----------------------------------------------------------------------- @@ -351,7 +365,7 @@ help_message() -> [--apps applications] [-o outfile] [--build_plt] [--add_to_plt] [--remove_from_plt] [--check_plt] [--no_check_plt] [--plt_info] [--get_warnings] - [--no_native] [--fullpath] + [--no_native] [--fullpath] [--statistics] Options: files_or_dirs (for backwards compatibility also as: -c files_or_dirs) Use Dialyzer from the command line to detect defects in the @@ -418,6 +432,9 @@ Options: Make Dialyzer a bit more quiet. --verbose Make Dialyzer a bit more verbose. + --statistics + Prints information about the progress of execution (analysis phases, + time spent in each and size of the relative input). --build_plt The analysis starts from an empty plt and creates a new one from the files specified with -c and -r. Only works for beam files. @@ -491,6 +508,12 @@ warning_options_msg() -> Suppress warnings for patterns that are unused or cannot match. -Wno_opaque Suppress warnings for violations of opaqueness of data types. + -Wno_behaviours + Suppress warnings about behaviour callbacks which drift from the published + recommended interfaces. + -Wno_undefined_callbacks + Suppress warnings about behaviours that have no -callback attributes for + their callbacks. -Wunmatched_returns *** Include warnings for function calls which ignore a structured return value or do not match against one of many possible return value(s). @@ -498,9 +521,6 @@ warning_options_msg() -> Include warnings for functions that only return by means of an exception. -Wrace_conditions *** Include warnings for possible race conditions. - -Wbehaviours *** - Include warnings about behaviour callbacks which drift from the published - recommended interfaces. -Wunderspecs *** Warn about underspecified functions (those whose -spec is strictly more allowing than the success typing). diff --git a/lib/dialyzer/src/dialyzer_codeserver.erl b/lib/dialyzer/src/dialyzer_codeserver.erl index b2097f7e53..9989118671 100644 --- a/lib/dialyzer/src/dialyzer_codeserver.erl +++ b/lib/dialyzer/src/dialyzer_codeserver.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 @@ -28,10 +28,11 @@ -module(dialyzer_codeserver). -export([delete/1, - finalize_contracts/2, + finalize_contracts/3, finalize_exported_types/2, finalize_records/2, get_contracts/1, + get_callbacks/1, get_exported_types/1, get_exports/1, get_records/1, @@ -51,10 +52,8 @@ new/0, set_next_core_label/2, set_temp_records/2, - store_records/3, store_temp_records/3, - store_contracts/3, - store_temp_contracts/3]). + store_temp_contracts/4]). -export_type([codeserver/0]). @@ -62,82 +61,159 @@ %%-------------------------------------------------------------------- --record(codeserver, {table_pid :: pid(), - exported_types = sets:new() :: set(), % set(mfa()) - temp_exported_types = sets:new() :: set(), % set(mfa()) - exports = sets:new() :: set(), % set(mfa()) - next_core_label = 0 :: label(), - records = dict:new() :: dict(), - temp_records = dict:new() :: dict(), - contracts = dict:new() :: dict(), - temp_contracts = dict:new() :: dict()}). +-type dict_ets() :: ets:tid(). +-type set_ets() :: ets:tid(). + +-record(codeserver, {next_core_label = 0 :: label(), + code :: dict_ets(), + exported_types :: set_ets(), % set(mfa()) + records :: dict_ets(), + contracts :: dict_ets(), + callbacks :: dict_ets(), + exports :: 'clean' | set_ets(), % set(mfa()) + temp_exported_types :: 'clean' | set_ets(), % set(mfa()) + temp_records :: 'clean' | dict_ets(), + temp_contracts :: 'clean' | dict_ets(), + temp_callbacks :: 'clean' | dict_ets() + }). -opaque codeserver() :: #codeserver{}. %%-------------------------------------------------------------------- +ets_dict_find(Key, Table) -> + try ets:lookup_element(Table, Key, 2) of + Val -> {ok, Val} + catch + _:_ -> error + end. + +ets_dict_store(Key, Element, Table) -> + true = ets:insert(Table, {Key, Element}), + Table. + +ets_dict_store_dict(Dict, Table) -> + true = ets:insert(Table, dict:to_list(Dict)). + +ets_dict_to_dict(Table) -> + Fold = fun({Key,Value}, Dict) -> dict:store(Key, Value, Dict) end, + ets:foldl(Fold, dict:new(), Table). + +ets_set_is_element(Key, Table) -> + case ets:lookup(Table, Key) of + [] -> false; + _ -> true + end. + +ets_set_insert_set(Set, Table) -> + ets_set_insert_list(sets:to_list(Set), Table). + +ets_set_insert_list(List, Table) -> + true = ets:insert(Table, [{E} || E <- List]). + +ets_set_to_set(Table) -> + Fold = fun({E}, Set) -> sets:add_element(E, Set) end, + ets:foldl(Fold, sets:new(), Table). + +ets_read_concurrent_table(Name) -> + ets:new(Name,[{read_concurrency, true}]). + +%%-------------------------------------------------------------------- + -spec new() -> codeserver(). new() -> - #codeserver{table_pid = table__new()}. + CodeOptions = [compressed, public, {read_concurrency, true}], + Code = ets:new(dialyzer_codeserver_code, CodeOptions), + TempOptions = [public, {write_concurrency, true}], + [Exports, TempExportedTypes, TempRecords, TempContracts, TempCallbacks] = + [ets:new(Name, TempOptions) || + Name <- + [dialyzer_codeserver_exports, dialyzer_codeserver_temp_exported_types, + dialyzer_codeserver_temp_records, dialyzer_codeserver_temp_contracts, + dialyzer_codeserver_temp_callbacks]], + #codeserver{code = Code, + exports = Exports, + temp_exported_types = TempExportedTypes, + temp_records = TempRecords, + temp_contracts = TempContracts, + temp_callbacks = TempCallbacks}. -spec delete(codeserver()) -> 'ok'. -delete(#codeserver{table_pid = TablePid}) -> - table__delete(TablePid). +delete(#codeserver{code = Code, exported_types = ExportedTypes, + records = Records, contracts = Contracts, + callbacks = Callbacks}) -> + lists:foreach(fun ets:delete/1, + [Code, ExportedTypes, Records, Contracts, Callbacks]). -spec insert(atom(), cerl:c_module(), codeserver()) -> codeserver(). insert(Mod, ModCode, CS) -> - NewTablePid = table__insert(CS#codeserver.table_pid, Mod, ModCode), - CS#codeserver{table_pid = NewTablePid}. + Name = cerl:module_name(ModCode), + Exports = cerl:module_exports(ModCode), + Attrs = cerl:module_attrs(ModCode), + Defs = cerl:module_defs(ModCode), + As = cerl:get_ann(ModCode), + Funs = + [{{Mod, cerl:fname_id(Var), cerl:fname_arity(Var)}, + Val} || Val = {Var, _Fun} <- Defs], + Keys = [Key || {Key, _Value} <- Funs], + ModEntry = {Mod, {Name, Exports, Attrs, Keys, As}}, + true = ets:insert(CS#codeserver.code, [ModEntry|Funs]), + CS. + +-spec get_temp_exported_types(codeserver()) -> set(). + +get_temp_exported_types(#codeserver{temp_exported_types = TempExpTypes}) -> + ets_set_to_set(TempExpTypes). -spec insert_temp_exported_types(set(), codeserver()) -> codeserver(). insert_temp_exported_types(Set, CS) -> - CS#codeserver{temp_exported_types = Set}. + TempExportedTypes = CS#codeserver.temp_exported_types, + true = ets_set_insert_set(Set, TempExportedTypes), + CS. -spec insert_exports([mfa()], codeserver()) -> codeserver(). insert_exports(List, #codeserver{exports = Exports} = CS) -> - Set = sets:from_list(List), - NewExports = sets:union(Exports, Set), - CS#codeserver{exports = NewExports}. + true = ets_set_insert_list(List, Exports), + CS. -spec is_exported(mfa(), codeserver()) -> boolean(). is_exported(MFA, #codeserver{exports = Exports}) -> - sets:is_element(MFA, Exports). + ets_set_is_element(MFA, Exports). -spec get_exported_types(codeserver()) -> set(). % set(mfa()) get_exported_types(#codeserver{exported_types = ExpTypes}) -> - ExpTypes. - --spec get_temp_exported_types(codeserver()) -> set(). - -get_temp_exported_types(#codeserver{temp_exported_types = TempExpTypes}) -> - TempExpTypes. + ets_set_to_set(ExpTypes). -spec get_exports(codeserver()) -> set(). % set(mfa()) get_exports(#codeserver{exports = Exports}) -> - Exports. + ets_set_to_set(Exports). -spec finalize_exported_types(set(), codeserver()) -> codeserver(). finalize_exported_types(Set, CS) -> - CS#codeserver{exported_types = Set, temp_exported_types = sets:new()}. + ExportedTypes = ets_read_concurrent_table(dialyzer_codeserver_exported_types), + true = ets_set_insert_set(Set, ExportedTypes), + TempExpTypes = CS#codeserver.temp_exported_types, + true = ets:delete(TempExpTypes), + CS#codeserver{exported_types = ExportedTypes, temp_exported_types = clean}. -spec lookup_mod_code(atom(), codeserver()) -> cerl:c_module(). lookup_mod_code(Mod, CS) when is_atom(Mod) -> - table__lookup(CS#codeserver.table_pid, Mod). + table__lookup(CS#codeserver.code, Mod). -spec lookup_mfa_code(mfa(), codeserver()) -> {cerl:c_var(), cerl:c_fun()}. lookup_mfa_code({_M, _F, _A} = MFA, CS) -> - table__lookup(CS#codeserver.table_pid, MFA). + table__lookup(CS#codeserver.code, MFA). -spec get_next_core_label(codeserver()) -> label(). @@ -149,20 +225,10 @@ get_next_core_label(#codeserver{next_core_label = NCL}) -> set_next_core_label(NCL, CS) -> CS#codeserver{next_core_label = NCL}. --spec store_records(atom(), dict(), codeserver()) -> codeserver(). - -store_records(Mod, Dict, #codeserver{records = RecDict} = CS) - when is_atom(Mod) -> - case dict:size(Dict) =:= 0 of - true -> CS; - false -> CS#codeserver{records = dict:store(Mod, Dict, RecDict)} - end. - -spec lookup_mod_records(atom(), codeserver()) -> dict(). -lookup_mod_records(Mod, #codeserver{records = RecDict}) - when is_atom(Mod) -> - case dict:find(Mod, RecDict) of +lookup_mod_records(Mod, #codeserver{records = RecDict}) when is_atom(Mod) -> + case ets_dict_find(Mod, RecDict) of error -> dict:new(); {ok, Dict} -> Dict end. @@ -170,7 +236,7 @@ lookup_mod_records(Mod, #codeserver{records = RecDict}) -spec get_records(codeserver()) -> dict(). get_records(#codeserver{records = RecDict}) -> - RecDict. + ets_dict_to_dict(RecDict). -spec store_temp_records(atom(), dict(), codeserver()) -> codeserver(). @@ -178,132 +244,107 @@ store_temp_records(Mod, Dict, #codeserver{temp_records = TempRecDict} = CS) when is_atom(Mod) -> case dict:size(Dict) =:= 0 of true -> CS; - false -> CS#codeserver{temp_records = dict:store(Mod, Dict, TempRecDict)} + false -> CS#codeserver{temp_records = ets_dict_store(Mod, Dict, TempRecDict)} end. -spec get_temp_records(codeserver()) -> dict(). get_temp_records(#codeserver{temp_records = TempRecDict}) -> - TempRecDict. + ets_dict_to_dict(TempRecDict). -spec set_temp_records(dict(), codeserver()) -> codeserver(). set_temp_records(Dict, CS) -> - CS#codeserver{temp_records = Dict}. + true = ets:delete(CS#codeserver.temp_records), + TempRecords = ets:new(dialyzer_codeserver_temp_records,[]), + true = ets_dict_store_dict(Dict, TempRecords), + CS#codeserver{temp_records = TempRecords}. -spec finalize_records(dict(), codeserver()) -> codeserver(). finalize_records(Dict, CS) -> - CS#codeserver{records = Dict, temp_records = dict:new()}. - --spec store_contracts(atom(), dict(), codeserver()) -> codeserver(). - -store_contracts(Mod, Dict, #codeserver{contracts = C} = CS) when is_atom(Mod) -> - case dict:size(Dict) =:= 0 of - true -> CS; - false -> CS#codeserver{contracts = dict:store(Mod, Dict, C)} - end. + true = ets:delete(CS#codeserver.temp_records), + Records = ets_read_concurrent_table(dialyzer_codeserver_records), + true = ets_dict_store_dict(Dict, Records), + CS#codeserver{records = Records, temp_records = clean}. -spec lookup_mod_contracts(atom(), codeserver()) -> dict(). lookup_mod_contracts(Mod, #codeserver{contracts = ContDict}) when is_atom(Mod) -> - case dict:find(Mod, ContDict) of + case ets_dict_find(Mod, ContDict) of error -> dict:new(); - {ok, Dict} -> Dict + {ok, Keys} -> + dict:from_list([get_contract_pair(Key, ContDict)|| Key <- Keys]) end. +get_contract_pair(Key, ContDict) -> + {Key, ets:lookup_element(ContDict, Key, 2)}. + -spec lookup_mfa_contract(mfa(), codeserver()) -> 'error' | {'ok', dialyzer_contracts:file_contract()}. -lookup_mfa_contract({M,_F,_A} = MFA, #codeserver{contracts = ContDict}) -> - case dict:find(M, ContDict) of - error -> error; - {ok, Dict} -> dict:find(MFA, Dict) - end. +lookup_mfa_contract(MFA, #codeserver{contracts = ContDict}) -> + ets_dict_find(MFA, ContDict). -spec get_contracts(codeserver()) -> dict(). get_contracts(#codeserver{contracts = ContDict}) -> - ContDict. + ets_dict_to_dict(ContDict). --spec store_temp_contracts(atom(), dict(), codeserver()) -> codeserver(). +-spec get_callbacks(codeserver()) -> list(). -store_temp_contracts(Mod, Dict, #codeserver{temp_contracts = C} = CS) - when is_atom(Mod) -> - case dict:size(Dict) =:= 0 of - true -> CS; - false -> CS#codeserver{temp_contracts = dict:store(Mod, Dict, C)} - end. - --spec get_temp_contracts(codeserver()) -> dict(). - -get_temp_contracts(#codeserver{temp_contracts = TempContDict}) -> - TempContDict. - --spec finalize_contracts(dict(), codeserver()) -> codeserver(). - -finalize_contracts(Dict, CS) -> - CS#codeserver{contracts = Dict, temp_contracts = dict:new()}. +get_callbacks(#codeserver{callbacks = CallbDict}) -> + ets:tab2list(CallbDict). -table__new() -> - spawn_link(fun() -> table__loop(none, dict:new()) end). +-spec store_temp_contracts(atom(), dict(), dict(), codeserver()) -> + codeserver(). -table__delete(TablePid) -> - TablePid ! stop, - ok. - -table__lookup(TablePid, Key) -> - TablePid ! {self(), lookup, Key}, - receive - {TablePid, Key, Ans} -> Ans - end. - -table__insert(TablePid, Key, Val) -> - TablePid ! {insert, [{Key, term_to_binary(Val, [compressed])}]}, - TablePid. - -table__loop(Cached, Map) -> - receive - stop -> ok; - {Pid, lookup, {M, F, A} = MFA} -> - {NewCached, Ans} = - case Cached of - {M, Tree} -> - [Val] = [VarFun || {Var, _Fun} = VarFun <- cerl:module_defs(Tree), - cerl:fname_id(Var) =:= F, - cerl:fname_arity(Var) =:= A], - {Cached, Val}; - _ -> - Tree = fetch_and_expand(M, Map), - [Val] = [VarFun || {Var, _Fun} = VarFun <- cerl:module_defs(Tree), - cerl:fname_id(Var) =:= F, - cerl:fname_arity(Var) =:= A], - {{M, Tree}, Val} - end, - Pid ! {self(), MFA, Ans}, - table__loop(NewCached, Map); - {Pid, lookup, Mod} when is_atom(Mod) -> - Ans = case Cached of - {Mod, Tree} -> Tree; - _ -> fetch_and_expand(Mod, Map) - end, - Pid ! {self(), Mod, Ans}, - table__loop({Mod, Ans}, Map); - {insert, List} -> - NewMap = lists:foldl(fun({Key, Val}, AccMap) -> - dict:store(Key, Val, AccMap) - end, Map, List), - table__loop(Cached, NewMap) +store_temp_contracts(Mod, SpecDict, CallbackDict, + #codeserver{temp_contracts = Cn, + temp_callbacks = Cb} = CS) + when is_atom(Mod) -> + CS1 = + case dict:size(SpecDict) =:= 0 of + true -> CS; + false -> + CS#codeserver{temp_contracts = ets_dict_store(Mod, SpecDict, Cn)} + end, + case dict:size(CallbackDict) =:= 0 of + true -> CS1; + false -> + CS1#codeserver{temp_callbacks = ets_dict_store(Mod, CallbackDict, Cb)} end. -fetch_and_expand(Mod, Map) -> - try - Bin = dict:fetch(Mod, Map), - binary_to_term(Bin) - catch - _:_ -> - S = atom_to_list(Mod), - Msg = "found no module named '" ++ S ++ "' in the analyzed files", - exit({error, Msg}) - end. +-spec get_temp_contracts(codeserver()) -> {dict(), dict()}. + +get_temp_contracts(#codeserver{temp_contracts = TempContDict, + temp_callbacks = TempCallDict}) -> + {ets_dict_to_dict(TempContDict), ets_dict_to_dict(TempCallDict)}. + +-spec finalize_contracts(dict(), dict(), codeserver()) -> codeserver(). + +finalize_contracts(SpecDict, CallbackDict, CS) -> + Contracts = ets_read_concurrent_table(dialyzer_codeserver_contracts), + Callbacks = ets_read_concurrent_table(dialyzer_codeserver_callbacks), + Contracts = dict:fold(fun decompose_spec_dict/3, Contracts, SpecDict), + Callbacks = dict:fold(fun decompose_cb_dict/3, Callbacks, CallbackDict), + CS#codeserver{contracts = Contracts, callbacks = Callbacks, + temp_contracts = clean, temp_callbacks = clean}. + +decompose_spec_dict(Mod, Dict, Table) -> + Keys = dict:fetch_keys(Dict), + true = ets:insert(Table, dict:to_list(Dict)), + true = ets:insert(Table, {Mod, Keys}), + Table. + +decompose_cb_dict(_Mod, Dict, Table) -> + true = ets:insert(Table, dict:to_list(Dict)), + Table. + +table__lookup(TablePid, M) when is_atom(M) -> + {Name, Exports, Attrs, Keys, As} = ets:lookup_element(TablePid, M, 2), + Defs = [table__lookup(TablePid, Key) || Key <- Keys], + cerl:ann_c_module(As, Name, Exports, Attrs, Defs); +table__lookup(TablePid, MFA) -> + ets:lookup_element(TablePid, MFA, 2). diff --git a/lib/dialyzer/src/dialyzer_contracts.erl b/lib/dialyzer/src/dialyzer_contracts.erl index bcdcf2685d..0b932d5a1f 100644 --- a/lib/dialyzer/src/dialyzer_contracts.erl +++ b/lib/dialyzer/src/dialyzer_contracts.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2007-2010. All Rights Reserved. +%% Copyright Ericsson AB 2007-2012. 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 @@ -141,7 +141,8 @@ sequence([H|T], Delimiter) -> H ++ Delimiter ++ sequence(T, Delimiter). dialyzer_codeserver:codeserver(). process_contract_remote_types(CodeServer) -> - TmpContractDict = dialyzer_codeserver:get_temp_contracts(CodeServer), + {TmpContractDict, TmpCallbackDict} = + dialyzer_codeserver:get_temp_contracts(CodeServer), ExpTypes = dialyzer_codeserver:get_exported_types(CodeServer), RecordDict = dialyzer_codeserver:get_records(CodeServer), ContractFun = @@ -155,7 +156,9 @@ process_contract_remote_types(CodeServer) -> dict:map(ContractFun, ContractDict) end, NewContractDict = dict:map(ModuleFun, TmpContractDict), - dialyzer_codeserver:finalize_contracts(NewContractDict, CodeServer). + NewCallbackDict = dict:map(ModuleFun, TmpCallbackDict), + dialyzer_codeserver:finalize_contracts(NewContractDict, NewCallbackDict, + CodeServer). -spec check_contracts([{mfa(), file_contract()}], dialyzer_callgraph:callgraph(), dict()) -> plt_contracts(). @@ -253,7 +256,7 @@ check_extraneous([C|Cs], SuccType) -> check_extraneous_1(Contract, SuccType) -> CRngs = erl_types:t_elements(erl_types:t_fun_range(Contract)), STRng = erl_types:t_fun_range(SuccType), - %% io:format("CR = ~p\nSR = ~p\n", [CRngs, STRng]), + ?debug("CR = ~p\nSR = ~p\n", [CRngs, STRng]), case [CR || CR <- CRngs, erl_types:t_is_none(erl_types:t_inf(CR, STRng, opaque))] of [] -> ok; CRs -> {error, {extra_range, erl_types:t_sup(CRs), STRng}} @@ -341,7 +344,7 @@ insert_constraints([{subtype, Type1, Type2}|Left], Dict) -> false -> %% A lot of things should change to add supertypes throw({error, io_lib:format("First argument of is_subtype constraint " - "must be a type variable\n", [])}) + "must be a type variable: ~p\n", [Type1])}) end; insert_constraints([], Dict) -> Dict. @@ -349,55 +352,111 @@ insert_constraints([], Dict) -> Dict. store_tmp_contract(MFA, FileLine, TypeSpec, SpecDict, RecordsDict) -> %% io:format("contract from form: ~p\n", [TypeSpec]), - TmpContract = contract_from_form(TypeSpec, RecordsDict), + TmpContract = contract_from_form(TypeSpec, RecordsDict, FileLine), %% io:format("contract: ~p\n", [Contract]), dict:store(MFA, {FileLine, TmpContract}, SpecDict). -contract_from_form(Forms, RecDict) -> - {CFuns, Forms1} = contract_from_form(Forms, RecDict, [], []), +contract_from_form(Forms, RecDict, FileLine) -> + {CFuns, Forms1} = contract_from_form(Forms, RecDict, FileLine, [], []), #tmp_contract{contract_funs = CFuns, forms = Forms1}. contract_from_form([{type, _, 'fun', [_, _]} = Form | Left], RecDict, - TypeAcc, FormAcc) -> + FileLine, TypeAcc, FormAcc) -> TypeFun = fun(ExpTypes, AllRecords) -> - Type = erl_types:t_from_form(Form, RecDict), + Type = + try + erl_types:t_from_form(Form, RecDict) + catch + throw:{error, Msg} -> + {File, Line} = FileLine, + NewMsg = io_lib:format("~s:~p: ~s", [filename:basename(File), + Line, Msg]), + throw({error, NewMsg}) + end, NewType = erl_types:t_solve_remote(Type, ExpTypes, AllRecords), {NewType, []} end, NewTypeAcc = [TypeFun | TypeAcc], NewFormAcc = [{Form, []} | FormAcc], - contract_from_form(Left, RecDict, NewTypeAcc, NewFormAcc); + contract_from_form(Left, RecDict, FileLine, NewTypeAcc, NewFormAcc); contract_from_form([{type, _L1, bounded_fun, [{type, _L2, 'fun', [_, _]} = Form, Constr]}| Left], - RecDict, TypeAcc, FormAcc) -> + RecDict, FileLine, TypeAcc, FormAcc) -> TypeFun = fun(ExpTypes, AllRecords) -> - Constr1 = [constraint_from_form(C, RecDict, ExpTypes, AllRecords) - || C <- Constr], - VarDict = insert_constraints(Constr1, dict:new()), + {Constr1, VarDict} = + process_constraints(Constr, RecDict, ExpTypes, AllRecords), Type = erl_types:t_from_form(Form, RecDict, VarDict), NewType = erl_types:t_solve_remote(Type, ExpTypes, AllRecords), {NewType, Constr1} end, NewTypeAcc = [TypeFun | TypeAcc], NewFormAcc = [{Form, Constr} | FormAcc], - contract_from_form(Left, RecDict, NewTypeAcc, NewFormAcc); -contract_from_form([], _RecDict, TypeAcc, FormAcc) -> + contract_from_form(Left, RecDict, FileLine, NewTypeAcc, NewFormAcc); +contract_from_form([], _RecDict, _FileLine, TypeAcc, FormAcc) -> {lists:reverse(TypeAcc), lists:reverse(FormAcc)}. -constraint_from_form({type, _, constraint, [{atom, _, is_subtype}, - [Type1, Type2]]}, RecDict, - ExpTypes, AllRecords) -> - T1 = erl_types:t_from_form(Type1, RecDict), - T2 = erl_types:t_from_form(Type2, RecDict), - T3 = erl_types:t_solve_remote(T1, ExpTypes, AllRecords), - T4 = erl_types:t_solve_remote(T2, ExpTypes, AllRecords), - {subtype, T3, T4}; -constraint_from_form({type, _, constraint, [{atom,_,Name}, List]}, _RecDict, - _ExpTypes, _AllRecords) -> - N = length(List), - throw({error, io_lib:format("Unsupported type guard ~w/~w\n", [Name, N])}). +process_constraints(Constrs, RecDict, ExpTypes, AllRecords) -> + Init = initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords), + constraints_fixpoint(Init, RecDict, ExpTypes, AllRecords). + +initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords) -> + initialize_constraints(Constrs, RecDict, ExpTypes, AllRecords, []). + +initialize_constraints([], _RecDict, _ExpTypes, _AllRecords, Acc) -> + Acc; +initialize_constraints([Constr|Rest], RecDict, ExpTypes, AllRecords, Acc) -> + case Constr of + {type, _, constraint, [{atom, _, is_subtype}, [Type1, Type2]]} -> + T1 = final_form(Type1, RecDict, ExpTypes, AllRecords, dict:new()), + Entry = {T1, Type2}, + initialize_constraints(Rest, RecDict, ExpTypes, AllRecords, [Entry|Acc]); + {type, _, constraint, [{atom,_,Name}, List]} -> + N = length(List), + throw({error, + io_lib:format("Unsupported type guard ~w/~w\n", [Name, N])}) + end. + +constraints_fixpoint(Constrs, RecDict, ExpTypes, AllRecords) -> + VarDict = + constraints_to_dict(Constrs, RecDict, ExpTypes, AllRecords, dict:new()), + constraints_fixpoint(VarDict, Constrs, RecDict, ExpTypes, AllRecords). + +constraints_fixpoint(OldVarDict, Constrs, RecDict, ExpTypes, AllRecords) -> + NewVarDict = + constraints_to_dict(Constrs, RecDict, ExpTypes, AllRecords, OldVarDict), + case NewVarDict of + OldVarDict -> + DictFold = + fun(Key, Value, Acc) -> + [{subtype, erl_types:t_var(Key), Value}|Acc] + end, + FinalConstrs = dict:fold(DictFold, [], NewVarDict), + {FinalConstrs, NewVarDict}; + _Other -> + 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). + +constraints_to_dict(Constrs, RecDict, ExpTypes, AllRecords, VarDict) -> + Subtypes = + constraints_to_subs(Constrs, RecDict, ExpTypes, AllRecords, VarDict, []), + insert_constraints(Subtypes, dict:new()). + +constraints_to_subs([], _RecDict, _ExpTypes, _AllRecords, _VarDict, Acc) -> + Acc; +constraints_to_subs([C|Rest], RecDict, ExpTypes, AllRecords, VarDict, Acc) -> + {T1, Form2} = C, + T2 = final_form(Form2, RecDict, ExpTypes, AllRecords, VarDict), + NewAcc = [{subtype, T1, T2}|Acc], + constraints_to_subs(Rest, RecDict, ExpTypes, AllRecords, VarDict, NewAcc). %% Gets the most general domain of a list of domains of all %% the overloaded contracts @@ -441,7 +500,21 @@ get_invalid_contract_warnings_funs([{MFA, {FileLine, Contract}}|Left], {error, invalid_contract} -> [invalid_contract_warning(MFA, FileLine, Sig, RecDict)|Acc]; {error, {extra_range, ExtraRanges, STRange}} -> - [extra_range_warning(MFA, FileLine, ExtraRanges, STRange)|Acc]; + Warn = + case t_from_forms_without_remote(Contract#contract.forms, + RecDict) of + {ok, NoRemoteType} -> + CRet = erl_types:t_fun_range(NoRemoteType), + erl_types:t_is_subtype(ExtraRanges, CRet); + unsupported -> + true + end, + case Warn of + true -> + [extra_range_warning(MFA, FileLine, ExtraRanges, STRange)|Acc]; + false -> + Acc + end; {error, Msg} -> [{?WARN_CONTRACT_SYNTAX, FileLine, Msg}|Acc]; ok -> @@ -480,7 +553,7 @@ invalid_contract_warning({M, F, A}, FileLine, SuccType, RecDict) -> extra_range_warning({M, F, A}, FileLine, ExtraRanges, STRange) -> ERangesStr = erl_types:t_to_string(ExtraRanges), STRangeStr = erl_types:t_to_string(STRange), - {?WARN_CONTRACT_TYPES, FileLine, + {?WARN_CONTRACT_SUPERTYPE, FileLine, {extra_range, [M, F, A, ERangesStr, STRangeStr]}}. picky_contract_check(CSig0, Sig0, MFA, FileLine, Contract, RecDict, Acc) -> @@ -504,26 +577,92 @@ picky_contract_check(CSig0, Sig0, MFA, FileLine, Contract, RecDict, Acc) -> extra_contract_warning({M, F, A}, FileLine, Contract, CSig, Sig, RecDict) -> SigString = lists:flatten(dialyzer_utils:format_sig(Sig, RecDict)), ContractString0 = lists:flatten(dialyzer_utils:format_sig(CSig, RecDict)), - case SigString =:= ContractString0 of + %% The only difference is in record fields containing 'undefined' or not. + IsUndefRecordFieldsRelated = SigString =:= ContractString0, + {IsRemoteTypesRelated, SubtypeRelation} = + is_remote_types_related(Contract, CSig, Sig, RecDict), + case IsUndefRecordFieldsRelated orelse IsRemoteTypesRelated of true -> - %% The only difference is in record fields containing 'undefined' or not. no_warning; false -> ContractString = contract_to_string(Contract), {Tag, Msg} = - case erl_types:t_is_subtype(CSig, Sig) of - true -> + case SubtypeRelation of + contract_is_subtype -> {?WARN_CONTRACT_SUBTYPE, {contract_subtype, [M, F, A, ContractString, SigString]}}; - false -> - case erl_types:t_is_subtype(Sig, CSig) of - true -> - {?WARN_CONTRACT_SUPERTYPE, - {contract_supertype, [M, F, A, ContractString, SigString]}}; - false -> - {?WARN_CONTRACT_NOT_EQUAL, - {contract_diff, [M, F, A, ContractString, SigString]}} - end + contract_is_supertype -> + {?WARN_CONTRACT_SUPERTYPE, + {contract_supertype, [M, F, A, ContractString, SigString]}}; + neither -> + {?WARN_CONTRACT_NOT_EQUAL, + {contract_diff, [M, F, A, ContractString, SigString]}} end, {warning, {Tag, FileLine, Msg}} end. + +is_remote_types_related(Contract, CSig, Sig, RecDict) -> + case erl_types:t_is_subtype(CSig, Sig) of + true -> + {false, contract_is_subtype}; + false -> + case erl_types:t_is_subtype(Sig, CSig) of + true -> + case t_from_forms_without_remote(Contract#contract.forms, RecDict) of + {ok, NoRemoteTypeSig} -> + case blame_remote(CSig, NoRemoteTypeSig, Sig) of + true -> + {true, neither}; + false -> + {false, contract_is_supertype} + end; + unsupported -> + {false, contract_is_supertype} + end; + false -> + {false, neither} + end + end. + +t_from_forms_without_remote([{FType, []}], RecDict) -> + Type0 = erl_types:t_from_form(FType, RecDict), + Map = + fun(Type) -> + case erl_types:t_is_remote(Type) of + true -> erl_types:t_none(); + false -> Type + end + end, + {ok, erl_types:t_map(Map, Type0)}; +t_from_forms_without_remote([{_FType, _Constrs}], _RecDict) -> + %% 'When' constraints + unsupported; +t_from_forms_without_remote(_Forms, _RecDict) -> + %% Lots of forms + unsupported. + +blame_remote(ContractSig, NoRemoteContractSig, Sig) -> + CArgs = erl_types:t_fun_args(ContractSig), + CRange = erl_types:t_fun_range(ContractSig), + NRArgs = erl_types:t_fun_args(NoRemoteContractSig), + NRRange = erl_types:t_fun_range(NoRemoteContractSig), + SArgs = erl_types:t_fun_args(Sig), + SRange = erl_types:t_fun_range(Sig), + blame_remote_list([CRange|CArgs], [NRRange|NRArgs], [SRange|SArgs]). + +blame_remote_list([], [], []) -> + true; +blame_remote_list([CArg|CArgs], [NRArg|NRArgs], [SArg|SArgs]) -> + case erl_types:t_is_equal(CArg, NRArg) of + true -> + case not erl_types:t_is_equal(CArg, SArg) of + true -> false; + false -> blame_remote_list(CArgs, NRArgs, SArgs) + end; + false -> + case erl_types:t_is_subtype(SArg, NRArg) + andalso not erl_types:t_is_subtype(NRArg, SArg) of + true -> false; + false -> blame_remote_list(CArgs, NRArgs, SArgs) + end + end. diff --git a/lib/dialyzer/src/dialyzer_coordinator.erl b/lib/dialyzer/src/dialyzer_coordinator.erl new file mode 100644 index 0000000000..c3b7ce29af --- /dev/null +++ b/lib/dialyzer/src/dialyzer_coordinator.erl @@ -0,0 +1,251 @@ +%% -*- erlang-indent-level: 2 -*- +%%----------------------------------------------------------------------- +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2006-2012. 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 +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%%%------------------------------------------------------------------- +%%% File : dialyzer_coordinator.erl +%%% Authors : Stavros Aronis <[email protected]> +%%%------------------------------------------------------------------- + +-module(dialyzer_coordinator). + +%%% Export for dialyzer main process +-export([parallel_job/4]). + +%%% Exports for all possible workers +-export([wait_activation/0, job_done/3]). + +%%% Exports for the typesig and dataflow analysis workers +-export([sccs_to_pids/2, request_activation/1]). + +%%% Exports for the compilation workers +-export([get_next_label/2]). + +-export_type([coordinator/0, mode/0, init_data/0, result/0]). + +%%-------------------------------------------------------------------- + +-type collector() :: pid(). +-type regulator() :: pid(). +-type scc_to_pid() :: ets:tid() | 'unused'. + +-type coordinator() :: {collector(), regulator(), scc_to_pid()}. %%opaque +-type timing() :: dialyzer_timing:timing_server(). + +-type scc() :: [mfa_or_funlbl()]. +-type mode() :: 'typesig' | 'dataflow' | 'compile' | 'warnings'. + +-type compile_jobs() :: [file:filename()]. +-type typesig_jobs() :: [scc()]. +-type dataflow_jobs() :: [module()]. +-type warnings_jobs() :: [module()]. + +-type compile_init_data() :: dialyzer_analysis_callgraph:compile_init_data(). +-type typesig_init_data() :: dialyzer_succ_typings:typesig_init_data(). +-type dataflow_init_data() :: dialyzer_succ_typings:dataflow_init_data(). +-type warnings_init_data() :: dialyzer_succ_typings:warnings_init_data(). + +-type compile_result() :: dialyzer_analysis_callgraph:compile_result(). +-type typesig_result() :: [mfa_or_funlbl()]. +-type dataflow_result() :: [mfa_or_funlbl()]. +-type warnings_result() :: [dial_warning()]. + +-type init_data() :: compile_init_data() | typesig_init_data() | + dataflow_init_data() | warnings_init_data(). + +-type result() :: compile_result() | typesig_result() | + dataflow_result() | warnings_result(). + +-type job() :: scc() | module() | file:filename(). +-type job_result() :: dialyzer_analysis_callgraph:one_file_result() | + typesig_result() | dataflow_result() | warnings_result(). + +-record(state, {mode :: mode(), + active = 0 :: integer(), + result :: result(), + next_label = 0 :: integer(), + init_data :: init_data(), + regulator :: regulator(), + scc_to_pid :: scc_to_pid() + }). + +-include("dialyzer.hrl"). + +%%-------------------------------------------------------------------- + +-spec parallel_job('compile', compile_jobs(), compile_init_data(), timing()) -> + {compile_result(), integer()}; + ('typesig', typesig_jobs(), typesig_init_data(), timing()) -> + typesig_result(); + ('dataflow', dataflow_jobs(), dataflow_init_data(), + timing()) -> dataflow_result(); + ('warnings', warnings_jobs(), warnings_init_data(), + timing()) -> warnings_result(). + +parallel_job(Mode, Jobs, InitData, Timing) -> + State = spawn_jobs(Mode, Jobs, InitData, Timing), + collect_result(State). + +spawn_jobs(Mode, Jobs, InitData, Timing) -> + Collector = self(), + Regulator = spawn_regulator(), + TypesigOrDataflow = (Mode =:= 'typesig') orelse (Mode =:= 'dataflow'), + SCCtoPID = + case TypesigOrDataflow of + true -> ets:new(scc_to_pid, [{read_concurrency, true}]); + false -> unused + end, + Coordinator = {Collector, Regulator, SCCtoPID}, + Fold = + fun(Job, Count) -> + Pid = dialyzer_worker:launch(Mode, Job, InitData, Coordinator), + case TypesigOrDataflow of + true -> true = ets:insert(SCCtoPID, {Job, Pid}), ok; + false -> request_activation(Regulator, Pid) + end, + Count + 1 + end, + JobCount = lists:foldl(Fold, 0, Jobs), + Unit = + case Mode of + 'typesig' -> "SCCs"; + _ -> "modules" + end, + dialyzer_timing:send_size_info(Timing, JobCount, Unit), + InitResult = + case Mode of + 'compile' -> dialyzer_analysis_callgraph:compile_init_result(); + _ -> [] + end, + #state{mode = Mode, active = JobCount, result = InitResult, next_label = 0, + init_data = InitData, regulator = Regulator, scc_to_pid = SCCtoPID}. + +collect_result(#state{mode = Mode, active = Active, result = Result, + next_label = NextLabel, init_data = InitData, + regulator = Regulator, scc_to_pid = SCCtoPID} = State) -> + receive + {next_label_request, Estimation, Pid} -> + Pid ! {next_label_reply, NextLabel}, + collect_result(State#state{next_label = NextLabel + Estimation}); + {done, Job, Data} -> + NewResult = update_result(Mode, InitData, Job, Data, Result), + case Active of + 1 -> + kill_regulator(Regulator), + case Mode of + 'compile' -> + {NewResult, NextLabel}; + X when X =:= 'typesig'; X =:= 'dataflow' -> + ets:delete(SCCtoPID), + NewResult; + 'warnings' -> + NewResult + end; + N -> + collect_result(State#state{result = NewResult, active = N - 1}) + end + end. + +update_result(Mode, InitData, Job, Data, Result) -> + case Mode of + 'compile' -> + dialyzer_analysis_callgraph:add_to_result(Job, Data, Result, + InitData); + X when X =:= 'typesig'; X =:= 'dataflow' -> + dialyzer_succ_typings:lookup_names(Data, InitData) ++ Result; + 'warnings' -> + Data ++ Result + end. + +-spec sccs_to_pids([scc() | module()], coordinator()) -> + {[dialyzer_worker:worker()], [scc() | module()]}. + +sccs_to_pids(SCCs, {_Collector, _Regulator, SCCtoPID}) -> + Fold = + fun(SCC, {Pids, Unknown}) -> + try ets:lookup_element(SCCtoPID, SCC, 2) of + Result -> {[Result|Pids], Unknown} + catch + _:_ -> {Pids, [SCC|Unknown]} + end + end, + lists:foldl(Fold, {[], []}, SCCs). + +-spec job_done(job(), job_result(), coordinator()) -> ok. + +job_done(Job, Result, {Collector, Regulator, _SCCtoPID}) -> + Regulator ! done, + Collector ! {done, Job, Result}, + ok. + +-spec get_next_label(integer(), coordinator()) -> integer(). + +get_next_label(EstimatedSize, {Collector, _Regulator, _SCCtoPID}) -> + Collector ! {next_label_request, EstimatedSize, self()}, + receive + {next_label_reply, NextLabel} -> NextLabel + end. + +-spec wait_activation() -> ok. + +wait_activation() -> + receive activate -> ok end. + +activate_pid(Pid) -> + Pid ! activate. + +-spec request_activation(coordinator()) -> ok. + +request_activation({_Collector, Regulator, _SCCtoPID}) -> + Regulator ! {req, self()}, + wait_activation(). + +request_activation(Regulator, Pid) -> + Regulator ! {req, Pid}, + ok. + +spawn_regulator() -> + InitTickets = dialyzer_utils:parallelism(), + spawn_link(fun() -> regulator_loop(InitTickets, queue:new()) end). + +regulator_loop(Tickets, Queue) -> + receive + {req, Pid} -> + case Tickets of + 0 -> + regulator_loop(0, queue:in(Pid, Queue)); + N -> + activate_pid(Pid), + regulator_loop(N-1, Queue) + end; + done -> + {Waiting, NewQueue} = queue:out(Queue), + NewTickets = + case Waiting of + empty -> Tickets + 1; + {value, Pid} -> + activate_pid(Pid), + Tickets + end, + regulator_loop(NewTickets, NewQueue); + stop -> ok + end. + +kill_regulator(Regulator) -> + Regulator ! stop. diff --git a/lib/dialyzer/src/dialyzer_dataflow.erl b/lib/dialyzer/src/dialyzer_dataflow.erl index d74c04385b..0ef008bc58 100644 --- a/lib/dialyzer/src/dialyzer_dataflow.erl +++ b/lib/dialyzer/src/dialyzer_dataflow.erl @@ -2,7 +2,7 @@ %%-------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2011. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -32,13 +32,11 @@ %% Data structure interfaces. -export([state__add_warning/2, state__cleanup/1, + state__duplicate/1, dispose_state/1, state__get_callgraph/1, state__get_races/1, state__get_records/1, state__put_callgraph/2, state__put_races/2, state__records_only/1]). -%% Debug and test interfaces. --export([get_top_level_signatures/2, pp/1]). - -export_type([state/0]). -include("dialyzer.hrl"). @@ -68,7 +66,6 @@ %%-define(DEBUG, true). %%-define(DEBUG_PP, true). %%-define(DEBUG_TIME, true). -%%-define(DOT, true). -ifdef(DEBUG). -import(erl_types, [t_to_string/1]). @@ -77,9 +74,6 @@ -define(debug(S_, L_), ok). -endif. -%%-define(debug1(S_, L_), io:format(S_, L_)). -%%-define(debug1(S_, L_), ok). - %%-------------------------------------------------------------------- -define(no_arg, no_arg). @@ -97,9 +91,14 @@ warning_mode = false :: boolean(), warnings = [] :: [dial_warning()], work :: {[_], [_], set()}, - module :: module(), - behaviour_api_dict = [] :: - dialyzer_behaviours:behaviour_api_dict()}). + module :: module() + }). + +-record(map, {dict = dict:new() :: dict(), + subst = dict:new() :: dict(), + modified = [] :: [Key :: term()], + modified_stack = [] :: [{[Key :: term()],reference()}], + ref = undefined :: reference() | undefined}). %% Exported Types @@ -109,7 +108,7 @@ -spec get_warnings(cerl:c_module(), dialyzer_plt:plt(), dialyzer_callgraph:callgraph(), dict(), set()) -> - {[dial_warning()], dict(), dict(), [label()], [string()]}. + {[dial_warning()], dict()}. get_warnings(Tree, Plt, Callgraph, Records, NoWarnUnused) -> State1 = analyze_module(Tree, Plt, Callgraph, Records, true), @@ -117,145 +116,14 @@ get_warnings(Tree, Plt, Callgraph, Records, NoWarnUnused) -> State3 = state__renew_warnings(state__get_warnings(State2, NoWarnUnused), State2), State4 = state__get_race_warnings(State3), - Callgraph1 = State2#state.callgraph, - {State4#state.warnings, state__all_fun_types(State4), - dialyzer_callgraph:get_race_code(Callgraph1), - dialyzer_callgraph:get_public_tables(Callgraph1), - dialyzer_callgraph:get_named_tables(Callgraph1)}. + {State4#state.warnings, state__all_fun_types(State4)}. -spec get_fun_types(cerl:c_module(), dialyzer_plt:plt(), - dialyzer_callgraph:callgraph(), dict()) -> - {dict(), dict(), [label()], [string()]}. + dialyzer_callgraph:callgraph(), dict()) -> dict(). get_fun_types(Tree, Plt, Callgraph, Records) -> State = analyze_module(Tree, Plt, Callgraph, Records, false), - Callgraph1 = State#state.callgraph, - {state__all_fun_types(State), - dialyzer_callgraph:get_race_code(Callgraph1), - dialyzer_callgraph:get_public_tables(Callgraph1), - dialyzer_callgraph:get_named_tables(Callgraph1)}. - -%%-------------------------------------------------------------------- - --spec pp(file:filename()) -> 'ok'. - -pp(File) -> - {ok, Code} = dialyzer_utils:get_core_from_src(File, [no_copt]), - Plt = get_def_plt(), - AnnTree = annotate_module(Code, Plt), - io:put_chars(cerl_prettypr:format(AnnTree, [{hook, cerl_typean:pp_hook()}])), - io:nl(). - -%%-------------------------------------------------------------------- -%% This is used in the testsuite. - --spec get_top_level_signatures(cerl:c_module(), dict()) -> - [{{atom(), arity()}, erl_types:erl_type()}]. - -get_top_level_signatures(Code, Records) -> - {Tree, _} = cerl_trees:label(cerl:from_records(Code)), - Callgraph0 = dialyzer_callgraph:new(), - Callgraph1 = dialyzer_callgraph:scan_core_tree(Tree, Callgraph0), - {Callgraph2, _} = dialyzer_callgraph:remove_external(Callgraph1), - Callgraph = dialyzer_callgraph:finalize(Callgraph2), - to_dot(Callgraph), - Plt = get_def_plt(), - FunTypes = get_fun_types(Tree, Plt, Callgraph, Records), - FunTypes1 = lists:foldl(fun({V, F}, Acc) -> - Label = get_label(F), - case dict:find(Label, Acc) of - error -> - Arity = cerl:fname_arity(V), - Type = t_fun(lists:duplicate(Arity, - t_none()), - t_none()), - dict:store(Label, Type, Acc); - {ok, _} -> Acc - end - end, FunTypes, cerl:module_defs(Tree)), - dialyzer_callgraph:delete(Callgraph), - Sigs = [{{cerl:fname_id(V), cerl:fname_arity(V)}, - dict:fetch(get_label(F), FunTypes1)} - || {V, F} <- cerl:module_defs(Tree)], - ordsets:from_list(Sigs). - -get_def_plt() -> - try - dialyzer_plt:from_file(dialyzer_plt:get_default_plt()) - catch - throw:{dialyzer_error, _} -> dialyzer_plt:new() - end. - -%%% =========================================================================== -%%% -%%% Annotate all top level funs. -%%% -%%% =========================================================================== - -annotate_module(Code, Plt) -> - {Tree, _} = cerl_trees:label(cerl:from_records(Code)), - Callgraph0 = dialyzer_callgraph:new(), - Callgraph1 = dialyzer_callgraph:scan_core_tree(Tree, Callgraph0), - {Callgraph2, _} = dialyzer_callgraph:remove_external(Callgraph1), - Callgraph = dialyzer_callgraph:finalize(Callgraph2), - State = analyze_module(Tree, Plt, Callgraph), - Res = annotate(Tree, State), - dialyzer_callgraph:delete(Callgraph), - Res. - -annotate(Tree, State) -> - case cerl:subtrees(Tree) of - [] -> set_type(Tree, State); - List -> - NewSubTrees = [[annotate(Subtree, State) || Subtree <- Group] - || Group <- List], - NewTree = cerl:update_tree(Tree, NewSubTrees), - set_type(NewTree, State) - end. - -set_type(Tree, State) -> - case cerl:type(Tree) of - 'fun' -> - Type = state__fun_type(Tree, State), - case t_is_any(Type) of - true -> - cerl:set_ann(Tree, delete_ann(typesig, cerl:get_ann(Tree))); - false -> - cerl:set_ann(Tree, append_ann(typesig, Type, cerl:get_ann(Tree))) - end; - apply -> - case state__find_apply_return(Tree, State) of - unknown -> Tree; - ReturnType -> - case t_is_any(ReturnType) of - true -> - cerl:set_ann(Tree, delete_ann(type, cerl:get_ann(Tree))); - false -> - cerl:set_ann(Tree, append_ann(type, ReturnType, - cerl:get_ann(Tree))) - end - end; - _ -> - Tree - end. - -append_ann(Tag, Val, [X | Xs]) -> - if tuple_size(X) >= 1, element(1, X) =:= Tag -> - append_ann(Tag, Val, Xs); - true -> - [X | append_ann(Tag, Val, Xs)] - end; -append_ann(Tag, Val, []) -> - [{Tag, Val}]. - -delete_ann(Tag, [X | Xs]) -> - if tuple_size(X) >= 1, element(1, X) =:= Tag -> - delete_ann(Tag, Xs); - true -> - [X | delete_ann(Tag, Xs)] - end; -delete_ann(_, []) -> - []. + state__all_fun_types(State). %%% =========================================================================== %%% @@ -263,86 +131,51 @@ delete_ann(_, []) -> %%% %%% =========================================================================== -analyze_module(Tree, Plt, Callgraph) -> - analyze_module(Tree, Plt, Callgraph, dict:new(), false). - analyze_module(Tree, Plt, Callgraph, Records, GetWarnings) -> debug_pp(Tree, false), Module = cerl:atom_val(cerl:module_name(Tree)), - RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), - BehaviourTranslations = - case RaceDetection of - true -> dialyzer_behaviours:translatable_behaviours(Tree); - false -> [] - end, TopFun = cerl:ann_c_fun([{label, top}], [], Tree), - State = state__new(dialyzer_callgraph:race_code_new(Callgraph), - TopFun, Plt, Module, Records, BehaviourTranslations), + State = state__new(Callgraph, TopFun, Plt, Module, Records), State1 = state__race_analysis(not GetWarnings, State), State2 = analyze_loop(State1), - RaceCode = dialyzer_callgraph:get_race_code(Callgraph), - Callgraph1 = State2#state.callgraph, - RaceCode1 = dialyzer_callgraph:get_race_code(Callgraph1), case GetWarnings of true -> State3 = state__set_warning_mode(State2), State4 = analyze_loop(State3), - State5 = state__restore_race_code(RaceCode, State4), - - %% EXPERIMENTAL: Turn all behaviour API calls into calls to the - %% respective callback module's functions. - - case BehaviourTranslations of - [] -> dialyzer_races:race(State5); - Behaviours -> - Callgraph2 = State5#state.callgraph, - Digraph = dialyzer_callgraph:get_digraph(Callgraph2), - TranslatedCallgraph = - dialyzer_behaviours:translate_callgraph(Behaviours, Module, - Callgraph2), - St = - dialyzer_races:race(State5#state{callgraph = TranslatedCallgraph}), - Callgraph3 = dialyzer_callgraph:put_digraph(Digraph, - St#state.callgraph), - St#state{callgraph = Callgraph3} - end; + dialyzer_races:race(State4); false -> - state__restore_race_code( - dict:merge(fun (_K, V1, _V2) -> V1 end, - RaceCode, RaceCode1), State2) + State2 end. -analyze_loop(#state{callgraph = Callgraph, races = Races} = State) -> +analyze_loop(State) -> case state__get_work(State) of - none -> state__clean_not_called(State); - {Fun, NewState} -> - ArgTypes = state__get_args(Fun, NewState), - case any_none(ArgTypes) of + none -> State; + {Fun, NewState1} -> + {ArgTypes, IsCalled} = state__get_args_and_status(Fun, NewState1), + case not IsCalled of true -> - ?debug("Not handling1 ~w: ~s\n", + ?debug("Not handling (not called) ~w: ~s\n", [state__lookup_name(get_label(Fun), State), t_to_string(t_product(ArgTypes))]), - analyze_loop(NewState); + analyze_loop(NewState1); false -> - case state__fun_env(Fun, NewState) of + case state__fun_env(Fun, NewState1) of none -> - ?debug("Not handling2 ~w: ~s\n", + ?debug("Not handling (no env) ~w: ~s\n", [state__lookup_name(get_label(Fun), State), t_to_string(t_product(ArgTypes))]), - analyze_loop(NewState); + analyze_loop(NewState1); Map -> ?debug("Handling fun ~p: ~s\n", [state__lookup_name(get_label(Fun), State), - t_to_string(state__fun_type(Fun, NewState))]), - NewState1 = state__mark_fun_as_handled(NewState, Fun), + t_to_string(state__fun_type(Fun, NewState1))]), Vars = cerl:fun_vars(Fun), Map1 = enter_type_lists(Vars, ArgTypes, Map), Body = cerl:fun_body(Fun), FunLabel = get_label(Fun), - RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), - RaceAnalysis = dialyzer_races:get_race_analysis(Races), + IsRaceAnalysisEnabled = is_race_analysis_enabled(State), NewState3 = - case RaceDetection andalso RaceAnalysis of + case IsRaceAnalysisEnabled of true -> NewState2 = state__renew_curr_fun( state__lookup_name(FunLabel, NewState1), FunLabel, @@ -356,17 +189,8 @@ analyze_loop(#state{callgraph = Callgraph, races = Races} = State) -> [state__lookup_name(get_label(Fun), State), t_to_string(t_fun(ArgTypes, BodyType))]), NewState5 = - case RaceDetection andalso RaceAnalysis of - true -> - Races1 = NewState4#state.races, - Code = lists:reverse(dialyzer_races:get_race_list(Races1)), - Callgraph1 = - renew_code(dialyzer_races:get_curr_fun(Races1), - dialyzer_races:get_curr_fun_args(Races1), - Code, - state__warning_mode(NewState4), - NewState4#state.callgraph), - NewState4#state{callgraph = Callgraph1}; + case IsRaceAnalysisEnabled of + true -> renew_race_code(NewState4); false -> NewState4 end, NewState6 = @@ -581,9 +405,7 @@ handle_apply_or_call([{local, external}|Left], Args, ArgTypes, Map, Tree, State, ArgTypes, t_any()); handle_apply_or_call([{TypeOfApply, {Fun, Sig, Contr, LocalRet}}|Left], Args, ArgTypes, Map, Tree, - #state{callgraph = Callgraph, races = Races, - opaques = Opaques} = State, - AccArgTypes, AccRet) -> + #state{opaques = Opaques} = State, AccArgTypes, AccRet) -> Any = t_any(), AnyArgs = [Any || _ <- Args], GenSig = {AnyArgs, fun(_) -> t_any() end}, @@ -679,27 +501,13 @@ handle_apply_or_call([{TypeOfApply, {Fun, Sig, Contr, LocalRet}}|Left], ?debug("ContrRet: ~s\n", [erl_types:t_to_string(CRange(TmpArgTypes))]), ?debug("SigRet: ~s\n", [erl_types:t_to_string(SigRange)]), State1 = - case dialyzer_callgraph:get_race_detection(Callgraph) andalso - dialyzer_races:get_race_analysis(Races) of + case is_race_analysis_enabled(State) of true -> Ann = cerl:get_ann(Tree), File = get_file(Ann), Line = abs(get_line(Ann)), - - %% EXPERIMENTAL: Turn a behaviour's API call into a call to the - %% respective callback module's function. - - Module = State#state.module, - BehApiDict = State#state.behaviour_api_dict, - {RealFun, RealArgTypes, RealArgs} = - case dialyzer_behaviours:translate_behaviour_api_call(Fun, ArgTypes, - Args, Module, - BehApiDict) of - plain_call -> {Fun, ArgTypes, Args}; - BehaviourAPI -> BehaviourAPI - end, - dialyzer_races:store_race_call(RealFun, RealArgTypes, RealArgs, - {File, Line}, State); + dialyzer_races:store_race_call(Fun, ArgTypes, Args, + {File, Line}, State); false -> State end, FailedConj = any_none([RetWithoutLocal|NewArgTypes]), @@ -760,7 +568,13 @@ handle_apply_or_call([{TypeOfApply, {Fun, Sig, Contr, LocalRet}}|Left], true -> AccArgTypes; false -> [t_sup(X, Y) || {X, Y} <- lists:zip(NewArgTypes, AccArgTypes)] end, - NewAccRet = t_sup(AccRet, t_inf(RetWithoutLocal, LocalRet, opaque)), + TotalRet = + case t_is_none(LocalRet) andalso t_is_unit(RetWithoutLocal) of + true -> RetWithoutLocal; + false -> t_inf(RetWithoutLocal, LocalRet, opaque) + end, + NewAccRet = t_sup(AccRet, TotalRet), + ?debug("NewAccRet: ~s\n", [t_to_string(NewAccRet)]), handle_apply_or_call(Left, Args, ArgTypes, Map, Tree, State3, NewAccArgTypes, NewAccRet); handle_apply_or_call([], Args, _ArgTypes, Map, _Tree, State, @@ -1040,30 +854,28 @@ handle_call(Tree, Map, State) -> %%---------------------------------------- -handle_case(Tree, Map, #state{callgraph = Callgraph} = State) -> +handle_case(Tree, Map, State) -> Arg = cerl:case_arg(Tree), Clauses = filter_match_fail(cerl:case_clauses(Tree)), {State1, Map1, ArgType} = SMA = traverse(Arg, Map, State), case t_is_none_or_unit(ArgType) of true -> SMA; false -> - Races = State1#state.races, State2 = - case dialyzer_callgraph:get_race_detection(Callgraph) andalso - dialyzer_races:get_race_analysis(Races) of + case is_race_analysis_enabled(State) of true -> - RaceList = dialyzer_races:get_race_list(Races), - RaceListSize = dialyzer_races:get_race_list_size(Races), + {RaceList, RaceListSize} = get_race_list_and_size(State1), state__renew_race_list([beg_case|RaceList], RaceListSize + 1, State1); false -> State1 end, + Map2 = join_maps_begin(Map1), {MapList, State3, Type} = handle_clauses(Clauses, Arg, ArgType, ArgType, State2, - [], Map1, [], []), - Map2 = join_maps(MapList, Map1), + [], Map2, [], []), + Map3 = join_maps_end(MapList, Map2), debug_pp_map(Map2), - {State3, Map2, Type} + {State3, Map3, Type} end. %%---------------------------------------- @@ -1086,9 +898,8 @@ handle_cons(Tree, Map, State) -> %%---------------------------------------- -handle_let(Tree, Map, #state{callgraph = Callgraph, races = Races} = State) -> - RaceAnalysis = dialyzer_races:get_race_analysis(Races), - RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), +handle_let(Tree, Map, State) -> + IsRaceAnalysisEnabled = is_race_analysis_enabled(State), Arg = cerl:let_arg(Tree), Vars = cerl:let_vars(Tree), {Map0, State0} = @@ -1096,10 +907,9 @@ handle_let(Tree, Map, #state{callgraph = Callgraph, races = Races} = State) -> true -> [Var] = Vars, {enter_subst(Var, Arg, Map), - case RaceDetection andalso RaceAnalysis of + case IsRaceAnalysisEnabled of true -> - RaceList = dialyzer_races:get_race_list(Races), - RaceListSize = dialyzer_races:get_race_list_size(Races), + {RaceList, RaceListSize} = get_race_list_and_size(State), state__renew_race_list( [dialyzer_races:let_tag_new(Var, Arg)|RaceList], RaceListSize + 1, State); @@ -1109,9 +919,8 @@ handle_let(Tree, Map, #state{callgraph = Callgraph, races = Races} = State) -> end, Body = cerl:let_body(Tree), {State1, Map1, ArgTypes} = SMA = traverse(Arg, Map0, State0), - Callgraph1 = State1#state.callgraph, - Callgraph2 = - case RaceDetection andalso RaceAnalysis andalso cerl:is_c_call(Arg) of + State2 = + case IsRaceAnalysisEnabled andalso cerl:is_c_call(Arg) of true -> Mod = cerl:call_module(Arg), Name = cerl:call_name(Arg), @@ -1119,16 +928,11 @@ handle_let(Tree, Map, #state{callgraph = Callgraph, races = Races} = State) -> cerl:concrete(Mod) =:= ets andalso cerl:is_literal(Name) andalso cerl:concrete(Name) =:= new of - true -> - NewTable = dialyzer_races:get_new_table(State1#state.races), - renew_public_tables(Vars, NewTable, - state__warning_mode(State1), - Callgraph1); - false -> Callgraph1 + true -> renew_race_public_tables(Vars, State1); + false -> State1 end; - false -> Callgraph1 + false -> State1 end, - State2 = State1#state{callgraph = Callgraph2}, case t_is_none_or_unit(ArgTypes) of true -> SMA; false -> @@ -1159,16 +963,13 @@ handle_module(Tree, Map, State) -> %%---------------------------------------- -handle_receive(Tree, Map, - #state{callgraph = Callgraph, races = Races} = State) -> +handle_receive(Tree, Map, State) -> Clauses = filter_match_fail(cerl:receive_clauses(Tree)), Timeout = cerl:receive_timeout(Tree), State1 = - case dialyzer_callgraph:get_race_detection(Callgraph) andalso - dialyzer_races:get_race_analysis(Races) of + case is_race_analysis_enabled(State) of true -> - RaceList = dialyzer_races:get_race_list(Races), - RaceListSize = dialyzer_races:get_race_list_size(Races), + {RaceList, RaceListSize} = get_race_list_and_size(State), state__renew_race_list([beg_case|RaceList], RaceListSize + 1, State); false -> State @@ -1291,16 +1092,13 @@ handle_tuple(Tree, Map, State) -> %%---------------------------------------- %% Clauses %% -handle_clauses([C|Left], Arg, ArgType, OrigArgType, - #state{callgraph = Callgraph, races = Races} = State, - CaseTypes, MapIn, Acc, ClauseAcc) -> - RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), - RaceAnalysis = dialyzer_races:get_race_analysis(Races), +handle_clauses([C|Left], Arg, ArgType, OrigArgType, State, CaseTypes, MapIn, + Acc, ClauseAcc) -> + IsRaceAnalysisEnabled = is_race_analysis_enabled(State), State1 = - case RaceDetection andalso RaceAnalysis of + case IsRaceAnalysisEnabled of true -> - RaceList = dialyzer_races:get_race_list(Races), - RaceListSize = dialyzer_races:get_race_list_size(Races), + {RaceList, RaceListSize} = get_race_list_and_size(State), state__renew_race_list( [dialyzer_races:beg_clause_new(Arg, cerl:clause_pats(C), cerl:clause_guard(C))| @@ -1311,11 +1109,9 @@ handle_clauses([C|Left], Arg, ArgType, OrigArgType, {State2, ClauseMap, BodyType, NewArgType} = do_clause(C, Arg, ArgType, OrigArgType, MapIn, State1), {NewClauseAcc, State3} = - case RaceDetection andalso RaceAnalysis of + case IsRaceAnalysisEnabled of true -> - Races1 = State2#state.races, - RaceList1 = dialyzer_races:get_race_list(Races1), - RaceListSize1 = dialyzer_races:get_race_list_size(Races1), + {RaceList1, RaceListSize1} = get_race_list_and_size(State2), EndClause = dialyzer_races:end_clause_new(Arg, cerl:clause_pats(C), cerl:clause_guard(C)), {[EndClause|ClauseAcc], @@ -1330,30 +1126,25 @@ handle_clauses([C|Left], Arg, ArgType, OrigArgType, end, handle_clauses(Left, Arg, NewArgType, OrigArgType, State3, NewCaseTypes, MapIn, NewAcc, NewClauseAcc); -handle_clauses([], _Arg, _ArgType, _OrigArgType, - #state{callgraph = Callgraph, races = Races} = State, - CaseTypes, _MapIn, Acc, ClauseAcc) -> +handle_clauses([], _Arg, _ArgType, _OrigArgType, State, CaseTypes, _MapIn, Acc, + ClauseAcc) -> State1 = - case dialyzer_callgraph:get_race_detection(Callgraph) andalso - dialyzer_races:get_race_analysis(Races) of + case is_race_analysis_enabled(State) of true -> + {RaceList, RaceListSize} = get_race_list_and_size(State), state__renew_race_list( - [dialyzer_races:end_case_new(ClauseAcc)| - dialyzer_races:get_race_list(Races)], - dialyzer_races:get_race_list_size(Races) + 1, State); + [dialyzer_races:end_case_new(ClauseAcc)|RaceList], + RaceListSize + 1, State); false -> State end, {lists:reverse(Acc), State1, t_sup(CaseTypes)}. -do_clause(C, Arg, ArgType0, OrigArgType, Map, - #state{callgraph = Callgraph, races = Races} = State) -> +do_clause(C, Arg, ArgType0, OrigArgType, Map, State) -> Pats = cerl:clause_pats(C), Guard = cerl:clause_guard(C), Body = cerl:clause_body(C), - RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), - RaceAnalysis = dialyzer_races:get_race_analysis(Races), State1 = - case RaceDetection andalso RaceAnalysis of + case is_race_analysis_enabled(State) of true -> state__renew_fun_args(Pats, State); false -> State @@ -1640,14 +1431,15 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) -> false -> SubTuples = t_tuple_subtypes(Tuple), %% Need to call the top function to get the try-catch wrapper + MapJ = join_maps_begin(Map), Results = case Rev of true -> [bind_pat_vars_reverse(Es, t_tuple_args(SubTuple), [], - Map, State) + MapJ, State) || SubTuple <- SubTuples]; false -> - [bind_pat_vars(Es, t_tuple_args(SubTuple), [], Map, State) + [bind_pat_vars(Es, t_tuple_args(SubTuple), [], MapJ, State) || SubTuple <- SubTuples] end, case lists:keyfind(opaque, 2, Results) of @@ -1661,7 +1453,7 @@ bind_pat_vars([Pat|PatLeft], [Type|TypeLeft], Acc, Map, State, Rev) -> false -> bind_error([Pat], Tuple, t_none(), bind) end; Maps -> - Map1 = join_maps(Maps, Map), + Map1 = join_maps_end(Maps, MapJ), TupleType = t_sup([t_tuple(EsTypes) || {M, EsTypes} <- Results, M =/= error]), {Map1, TupleType} @@ -2308,27 +2100,29 @@ handle_guard_and(Guard, Map, Env, Eval, State) -> end end; neg -> + MapJ = join_maps_begin(Map), {Map1, Type1} = - try bind_guard(Arg1, Map, Env, neg, State) - catch throw:{fail, _} -> bind_guard(Arg2, Map, Env, pos, State) + try bind_guard(Arg1, MapJ, Env, neg, State) + catch throw:{fail, _} -> bind_guard(Arg2, MapJ, Env, pos, State) end, {Map2, Type2} = - try bind_guard(Arg2, Map, Env, neg, State) - catch throw:{fail, _} -> bind_guard(Arg1, Map, Env, pos, State) + try bind_guard(Arg2, MapJ, Env, neg, State) + catch throw:{fail, _} -> bind_guard(Arg1, MapJ, Env, pos, State) end, case t_is_atom(false, Type1) orelse t_is_atom(false, Type2) of - true -> {join_maps([Map1, Map2], Map), t_atom(false)}; + true -> {join_maps_end([Map1, Map2], MapJ), t_atom(false)}; false -> signal_guard_fail(Eval, Guard, [Type1, Type2], State) end; dont_know -> - {Map1, Type1} = bind_guard(Arg1, Map, Env, dont_know, State), - {Map2, Type2} = bind_guard(Arg2, Map, Env, dont_know, State), + MapJ = join_maps_begin(Map), + {Map1, Type1} = bind_guard(Arg1, MapJ, Env, dont_know, State), + {Map2, Type2} = bind_guard(Arg2, MapJ, Env, dont_know, State), Bool1 = t_inf(Type1, t_boolean()), Bool2 = t_inf(Type2, t_boolean()), case t_is_none(Bool1) orelse t_is_none(Bool2) of true -> throw({fatal_fail, none}); false -> - NewMap = join_maps([Map1, Map2], Map), + NewMap = join_maps_end([Map1, Map2], MapJ), NewType = case {t_atom_vals(Bool1), t_atom_vals(Bool2)} of {['true'] , ['true'] } -> t_atom(true); @@ -2344,20 +2138,21 @@ handle_guard_or(Guard, Map, Env, Eval, State) -> [Arg1, Arg2] = cerl:call_args(Guard), case Eval of pos -> + MapJ = join_maps_begin(Map), {Map1, Bool1} = - try bind_guard(Arg1, Map, Env, pos, State) + try bind_guard(Arg1, MapJ, Env, pos, State) catch - throw:{fail,_} -> bind_guard(Arg1, Map, Env, dont_know, State) + throw:{fail,_} -> bind_guard(Arg1, MapJ, Env, dont_know, State) end, {Map2, Bool2} = - try bind_guard(Arg2, Map, Env, pos, State) + try bind_guard(Arg2, MapJ, Env, pos, State) catch - throw:{fail,_} -> bind_guard(Arg2, Map, Env, dont_know, State) + throw:{fail,_} -> bind_guard(Arg2, MapJ, Env, dont_know, State) end, case ((t_is_atom(true, Bool1) andalso t_is_boolean(Bool2)) orelse (t_is_atom(true, Bool2) andalso t_is_boolean(Bool1))) of - true -> {join_maps([Map1, Map2], Map), t_atom(true)}; + true -> {join_maps_end([Map1, Map2], MapJ), t_atom(true)}; false -> signal_guard_fail(Eval, Guard, [Bool1, Bool2], State) end; neg -> @@ -2372,14 +2167,15 @@ handle_guard_or(Guard, Map, Env, Eval, State) -> end end; dont_know -> - {Map1, Type1} = bind_guard(Arg1, Map, Env, dont_know, State), - {Map2, Type2} = bind_guard(Arg2, Map, Env, dont_know, State), + MapJ = join_maps_begin(Map), + {Map1, Type1} = bind_guard(Arg1, MapJ, Env, dont_know, State), + {Map2, Type2} = bind_guard(Arg2, MapJ, Env, dont_know, State), Bool1 = t_inf(Type1, t_boolean()), Bool2 = t_inf(Type2, t_boolean()), case t_is_none(Bool1) orelse t_is_none(Bool2) of true -> throw({fatal_fail, none}); false -> - NewMap = join_maps([Map1, Map2], Map), + NewMap = join_maps_end([Map1, Map2], MapJ), NewType = case {t_atom_vals(Bool1), t_atom_vals(Bool2)} of {['false'], ['false']} -> t_atom(false); @@ -2493,8 +2289,9 @@ mk_guard_msg(Eval, F, Args, ArgTypes, State) -> end end. -bind_guard_case_clauses(Arg, Clauses, Map, Env, Eval, State) -> +bind_guard_case_clauses(Arg, Clauses, Map0, Env, Eval, State) -> Clauses1 = filter_fail_clauses(Clauses), + 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). @@ -2594,7 +2391,7 @@ bind_guard_case_clauses(_GenArgType, _GenMap, _ArgExpr, [], Map, _Env, _Eval, AccType, AccMaps, _State) -> case t_is_none(AccType) of true -> throw({fail, none}); - false -> {join_maps(AccMaps, Map), AccType} + false -> {join_maps_end(AccMaps, Map), AccType} end. %%% =========================================================================== @@ -2604,21 +2401,48 @@ bind_guard_case_clauses(_GenArgType, _GenMap, _ArgExpr, [], Map, _Env, _Eval, %%% =========================================================================== map__new() -> - {dict:new(), dict:new()}. + #map{}. + +%% join_maps_begin pushes 'modified' to the stack; join_maps pops +%% 'modified' from the stack. + +join_maps_begin(#map{modified = M, modified_stack = S, ref = Ref} = Map) -> + Map#map{ref = make_ref(), modified = [], modified_stack = [{M,Ref} | S]}. + +join_maps_end(Maps, MapOut) -> + #map{ref = Ref, modified_stack = [{M1,R1} | S]} = MapOut, + true = lists:all(fun(M) -> M#map.ref =:= Ref end, Maps), % sanity + Keys0 = lists:usort(lists:append([M#map.modified || M <- Maps])), + #map{dict = Dict, subst = Subst} = MapOut, + Keys = [Key || + Key <- Keys0, + dict:is_key(Key, Dict) orelse dict:is_key(Key, Subst)], + Out = case Maps of + [] -> join_maps(Maps, MapOut); + _ -> join_maps(Keys, Maps, MapOut) + end, + debug_join_check(Maps, MapOut, Out), + Out#map{ref = R1, + modified = Out#map.modified ++ M1, % duplicates possible + modified_stack = S}. join_maps(Maps, MapOut) -> - {Map, Subst} = MapOut, - Keys = ordsets:from_list(dict:fetch_keys(Map) ++ dict:fetch_keys(Subst)), + #map{dict = Dict, subst = Subst} = MapOut, + Keys = ordsets:from_list(dict:fetch_keys(Dict) ++ dict:fetch_keys(Subst)), join_maps(Keys, Maps, MapOut). -join_maps([Key|Left], Maps, MapOut) -> +join_maps(Keys, Maps, MapOut) -> + KTs = join_maps_collect(Keys, Maps, MapOut), + lists:foldl(fun({K, T}, M) -> enter_type(K, T, M) end, MapOut, KTs). + +join_maps_collect([Key|Left], Maps, MapOut) -> Type = join_maps_one_key(Maps, Key, t_none()), case t_is_equal(lookup_type(Key, MapOut), Type) of - true -> join_maps(Left, Maps, MapOut); - false -> join_maps(Left, Maps, enter_type(Key, Type, MapOut)) + true -> join_maps_collect(Left, Maps, MapOut); + false -> [{Key, Type} | join_maps_collect(Left, Maps, MapOut)] end; -join_maps([], _Maps, MapOut) -> - MapOut. +join_maps_collect([], _Maps, _MapOut) -> + []. join_maps_one_key([Map|Left], Key, AccType) -> case t_is_any(AccType) of @@ -2631,6 +2455,17 @@ join_maps_one_key([Map|Left], Key, AccType) -> join_maps_one_key([], _Key, AccType) -> AccType. +-ifdef(DEBUG). +debug_join_check(Maps, MapOut, Out) -> + #map{dict = Dict, subst = Subst} = Out, + #map{dict = Dict2, subst = Subst2} = join_maps(Maps, MapOut), + F = fun(D) -> lists:keysort(1, dict:to_list(D)) end, + [throw({bug, join_maps}) || + F(Dict) =/= F(Dict2) orelse F(Subst) =/= F(Subst2)]. +-else. +debug_join_check(_Maps, _MapOut, _Out) -> ok. +-endif. + enter_type_lists([Key|KeyTail], [Val|ValTail], Map) -> Map1 = enter_type(Key, Val, Map), enter_type_lists(KeyTail, ValTail, Map1); @@ -2643,20 +2478,21 @@ enter_type_list([{Key, Val}|Left], Map) -> enter_type_list([], Map) -> Map. -enter_type(Key, Val, {Map, Subst} = MS) -> +enter_type(Key, Val, MS) -> case cerl:is_literal(Key) of true -> MS; false -> case cerl:is_c_values(Key) of true -> - Keys = cerl:values_es(Key), + Keys = cerl:values_es(Key), case t_is_any(Val) orelse t_is_none(Val) of true -> enter_type_lists(Keys, [Val || _ <- Keys], MS); false -> - enter_type_lists(cerl:values_es(Key), t_to_tlist(Val), MS) + enter_type_lists(Keys, t_to_tlist(Val), MS) end; false -> + #map{dict = Dict, subst = Subst} = MS, KeyLabel = get_label(Key), case dict:find(KeyLabel, Subst) of {ok, NewKey} -> @@ -2664,21 +2500,25 @@ enter_type(Key, Val, {Map, Subst} = MS) -> enter_type(NewKey, Val, MS); error -> ?debug("Entering ~p :: ~s\n", [KeyLabel, t_to_string(Val)]), - case dict:find(KeyLabel, Map) of + case dict:find(KeyLabel, Dict) of {ok, Val} -> MS; - {ok, _OldVal} -> {dict:store(KeyLabel, Val, Map), Subst}; - error -> {dict:store(KeyLabel, Val, Map), Subst} + {ok, _OldVal} -> store_map(KeyLabel, Val, MS); + error -> store_map(KeyLabel, Val, MS) end end end end. -enter_subst(Key, Val, {Map, Subst} = MS) -> +store_map(Key, Val, #map{dict = Dict, ref = undefined} = Map) -> + Map#map{dict = dict:store(Key, Val, Dict)}; +store_map(Key, Val, #map{dict = Dict, modified = Mod} = Map) -> + Map#map{dict = dict:store(Key, Val, Dict), modified = [Key | Mod]}. + +enter_subst(Key, Val, #map{subst = Subst} = MS) -> KeyLabel = get_label(Key), case cerl:is_literal(Val) of true -> - NewMap = dict:store(KeyLabel, literal_type(Val), Map), - {NewMap, Subst}; + store_map(KeyLabel, literal_type(Val), MS); false -> case cerl:is_c_var(Val) of false -> MS; @@ -2691,25 +2531,29 @@ enter_subst(Key, Val, {Map, Subst} = MS) -> if KeyLabel =:= ValLabel -> MS; true -> ?debug("Subst: storing ~p = ~p\n", [KeyLabel, ValLabel]), - NewSubst = dict:store(KeyLabel, ValLabel, Subst), - {Map, NewSubst} + store_subst(KeyLabel, ValLabel, MS) end end end end. -lookup_type(Key, {Map, Subst}) -> - lookup(Key, Map, Subst, t_none()). +store_subst(Key, Val, #map{subst = S, ref = undefined} = Map) -> + Map#map{subst = dict:store(Key, Val, S)}; +store_subst(Key, Val, #map{subst = S, modified = Mod} = Map) -> + Map#map{subst = dict:store(Key, Val, S), modified = [Key | Mod]}. -lookup(Key, Map, Subst, AnyNone) -> +lookup_type(Key, #map{dict = Dict, subst = Subst}) -> + lookup(Key, Dict, Subst, t_none()). + +lookup(Key, Dict, Subst, AnyNone) -> case cerl:is_literal(Key) of true -> literal_type(Key); false -> Label = get_label(Key), case dict:find(Label, Subst) of - {ok, NewKey} -> lookup(NewKey, Map, Subst, AnyNone); + {ok, NewKey} -> lookup(NewKey, Dict, Subst, AnyNone); error -> - case dict:find(Label, Map) of + case dict:find(Label, Dict) of {ok, Val} -> Val; error -> AnyNone end @@ -2744,8 +2588,8 @@ mark_as_fresh([], Map) -> Map. -ifdef(DEBUG). -debug_pp_map(Map = {Map0, _Subst}) -> - Keys = dict:fetch_keys(Map0), +debug_pp_map(#map{dict = Dict}=Map) -> + Keys = dict:fetch_keys(Dict), io:format("Map:\n", []), lists:foreach(fun (Key) -> io:format("\t~w :: ~s\n", @@ -2830,43 +2674,33 @@ determine_mode(Type, Opaques) -> %%% %%% =========================================================================== -state__new(Callgraph, Tree, Plt, Module, Records, BehaviourTranslations) -> +state__new(Callgraph, Tree, Plt, Module, Records) -> Opaques = erl_types:module_builtin_opaques(Module) ++ erl_types:t_opaque_from_records(Records), TreeMap = build_tree_map(Tree), Funs = dict:fetch_keys(TreeMap), 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()), + ExportedFuns = + [Fun || Fun <- Funs--[top], dialyzer_callgraph:is_escaping(Fun, Callgraph)], + Work = init_work(ExportedFuns), + Env = lists:foldl(fun(Fun, Env) -> dict:store(Fun, map__new(), Env) end, + dict:new(), Funs), #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, - module = Module, behaviour_api_dict = BehaviourTranslations}. - -state__mark_fun_as_handled(#state{fun_tab = FunTab} = State, Fun0) -> - Fun = get_label(Fun0), - case dict:find(Fun, FunTab) of - {ok, {not_handled, Entry}} -> - State#state{fun_tab = dict:store(Fun, Entry, FunTab)}; - {ok, {_, _}} -> - State - end. + module = Module}. state__warning_mode(#state{warning_mode = WM}) -> WM. state__set_warning_mode(#state{tree_map = TreeMap, fun_tab = FunTab, races = Races} = State) -> - ?debug("Starting warning pass\n", []), + ?debug("==========\nStarting warning pass\n==========\n", []), Funs = dict:fetch_keys(TreeMap), State#state{work = init_work([top|Funs--[top]]), fun_tab = FunTab, warning_mode = true, races = dialyzer_races:put_race_analysis(true, Races)}. -state__restore_race_code(RaceCode, #state{callgraph = Callgraph} = State) -> - State#state{callgraph = dialyzer_callgraph:put_race_code(RaceCode, - Callgraph)}. - state__race_analysis(Analysis, #state{races = Races} = State) -> State#state{races = dialyzer_races:put_race_analysis(Analysis, Races)}. @@ -2929,7 +2763,7 @@ state__get_warnings(#state{tree_map = TreeMap, fun_tab = FunTab, {NotCalled, Ret} = case dict:fetch(get_label(Fun), FunTab) of {not_handled, {_Args0, Ret0}} -> {true, Ret0}; - {Args0, Ret0} -> {any_none(Args0), Ret0} + {_Args0, Ret0} -> {false, Ret0} end, case NotCalled of true -> @@ -3023,11 +2857,11 @@ state__lookup_record(Tag, Arity, #state{records = Records}) -> error end. -state__get_args(Tree, #state{fun_tab = FunTab}) -> +state__get_args_and_status(Tree, #state{fun_tab = FunTab}) -> Fun = get_label(Tree), case dict:find(Fun, FunTab) of - {ok, {not_handled, {ArgTypes, _}}} -> ArgTypes; - {ok, {ArgTypes, _}} -> ArgTypes + {ok, {not_handled, {ArgTypes, _}}} -> {ArgTypes, false}; + {ok, {ArgTypes, _}} -> {ArgTypes, true} end. build_tree_map(Tree) -> @@ -3043,7 +2877,7 @@ build_tree_map(Tree) -> cerl_trees:fold(Fun, dict:new(), Tree). init_fun_tab([top|Left], Dict, TreeMap, Callgraph, Plt, Opaques) -> - NewDict = dict:store(top, {not_handled, {[], t_none()}}, Dict), + NewDict = dict:store(top, {[], t_none()}, Dict), init_fun_tab(Left, NewDict, TreeMap, Callgraph, Plt, Opaques); init_fun_tab([Fun|Left], Dict, TreeMap, Callgraph, Plt, Opaques) -> Arity = cerl:fun_arity(dict:fetch(Fun, TreeMap)), @@ -3059,11 +2893,12 @@ init_fun_tab([Fun|Left], Dict, TreeMap, Callgraph, Plt, Opaques) -> false -> {Args, t_unit()} end end; - false -> {lists:duplicate(Arity, t_none()), t_unit()} + false -> {not_handled, {lists:duplicate(Arity, t_none()), t_unit()}} end, - NewDict = dict:store(Fun, {not_handled, FunEntry}, Dict), + NewDict = dict:store(Fun, FunEntry, Dict), init_fun_tab(Left, NewDict, TreeMap, Callgraph, Plt, Opaques); init_fun_tab([], Dict, _TreeMap, _Callgraph, _Plt, _Opaques) -> + ?debug("DICT:~p\n",[dict:to_list(Dict)]), Dict. state__update_fun_env(Tree, Map, #state{envs = Envs} = State) -> @@ -3085,7 +2920,8 @@ state__clean_not_called(#state{fun_tab = FunTab} = State) -> end, FunTab), State#state{fun_tab = NewFunTab}. -state__all_fun_types(#state{fun_tab = FunTab}) -> +state__all_fun_types(State) -> + #state{fun_tab = FunTab} = state__clean_not_called(State), Tab1 = dict:erase(top, FunTab), dict:map(fun(_Fun, {Args, Ret}) -> t_fun(Args, Ret)end, Tab1). @@ -3094,7 +2930,9 @@ state__fun_type(Fun, #state{fun_tab = FunTab}) -> if is_integer(Fun) -> Fun; true -> get_label(Fun) end, - case dict:find(Label, FunTab) of + Entry = dict:find(Label, FunTab), + ?debug("FunType ~p:~p\n",[Label, Entry]), + case Entry of {ok, {not_handled, {A, R}}} -> t_fun(A, R); {ok, {A, R}} -> @@ -3202,23 +3040,9 @@ state__fun_info(Fun, #state{callgraph = CG, fun_tab = FunTab, plt = PLT}) -> {not_handled, {_Args, Ret}} -> Ret; {_Args, Ret} -> Ret end, + ?debug("LocalRet: ~s\n", [t_to_string(LocalRet)]), {Fun, Sig, Contract, LocalRet}. -state__find_apply_return(Tree, #state{callgraph = Callgraph} = State) -> - Apply = get_label(Tree), - case dialyzer_callgraph:lookup_call_site(Apply, Callgraph) of - error -> - unknown; - {ok, List} -> - case lists:member(external, List) of - true -> t_any(); - false -> - FunTypes = [state__fun_type(F, State) || F <- List], - Returns = [t_fun_range(F) || F <- FunTypes], - t_sup(Returns) - end - end. - forward_args(Fun, ArgTypes, #state{work = Work, fun_tab = FunTab} = State) -> {OldArgTypes, OldOut, Fixpoint} = case dict:find(Fun, FunTab) of @@ -3249,6 +3073,16 @@ state__cleanup(#state{callgraph = Callgraph, races = dialyzer_races:cleanup(Races), records = Records}. +-spec state__duplicate(state()) -> state(). + +state__duplicate(#state{callgraph = Callgraph} = State) -> + State#state{callgraph = dialyzer_callgraph:duplicate(Callgraph)}. + +-spec dispose_state(state()) -> ok. + +dispose_state(#state{callgraph = Callgraph}) -> + dialyzer_callgraph:dispose_race_server(Callgraph). + -spec state__get_callgraph(state()) -> dialyzer_callgraph:callgraph(). state__get_callgraph(#state{callgraph = Callgraph}) -> @@ -3286,26 +3120,36 @@ state__records_only(#state{records = Records}) -> %%% %%% =========================================================================== -renew_code(Fun, FunArgs, Code, WarningMode, Callgraph) -> +is_race_analysis_enabled(#state{races = Races, callgraph = Callgraph}) -> + RaceDetection = dialyzer_callgraph:get_race_detection(Callgraph), + RaceAnalysis = dialyzer_races:get_race_analysis(Races), + RaceDetection andalso RaceAnalysis. + +get_race_list_and_size(#state{races = Races}) -> + dialyzer_races:get_race_list_and_size(Races). + +renew_race_code(#state{races = Races, callgraph = Callgraph, + warning_mode = WarningMode} = State) -> case WarningMode of - true -> Callgraph; + true -> State; false -> - RaceCode = dialyzer_callgraph:get_race_code(Callgraph), - dialyzer_callgraph:put_race_code( - dict:store(Fun, [FunArgs, Code], RaceCode), Callgraph) + NewCallgraph = dialyzer_callgraph:renew_race_code(Races, Callgraph), + State#state{callgraph = NewCallgraph} end. -renew_public_tables([Var], Table, WarningMode, Callgraph) -> +renew_race_public_tables([Var], #state{races = Races, callgraph = Callgraph, + warning_mode = WarningMode} = State) -> case WarningMode of - true -> Callgraph; + true -> State; false -> + Table = dialyzer_races:get_new_table(Races), case Table of - no_t -> Callgraph; - _Other -> - VarLabel = get_label(Var), - PTables = dialyzer_callgraph:get_public_tables(Callgraph), - dialyzer_callgraph:put_public_tables( - lists:usort([VarLabel|PTables]), Callgraph) + no_t -> State; + _Other -> + VarLabel = get_label(Var), + NewCallgraph = + dialyzer_callgraph:renew_race_public_tables(VarLabel, Callgraph), + State#state{callgraph = NewCallgraph} end end. @@ -3632,17 +3476,3 @@ strip_annotations(Tree) -> debug_pp(_Tree, _UseHook) -> ok. -endif. - -%%---------------------------------------------------------------------------- - --spec to_dot(dialyzer_callgraph:callgraph()) -> 'ok'. - --ifdef(DOT). -to_dot(CG) -> - dialyzer_callgraph:to_dot(CG). --else. -to_dot(_CG) -> - ok. --endif. - -%%---------------------------------------------------------------------------- diff --git a/lib/dialyzer/src/dialyzer_gui.erl b/lib/dialyzer/src/dialyzer_gui.erl index ccd80a4835..ac9844c22c 100644 --- a/lib/dialyzer/src/dialyzer_gui.erl +++ b/lib/dialyzer/src/dialyzer_gui.erl @@ -2,7 +2,7 @@ %%------------------------------------------------------------------------ %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2011. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -28,6 +28,23 @@ %%%----------------------------------------------------------------------- -module(dialyzer_gui). +-compile([{nowarn_deprecated_function,{gs,button,2}}, + {nowarn_deprecated_function,{gs,config,2}}, + {nowarn_deprecated_function,{gs,destroy,1}}, + {nowarn_deprecated_function,{gs,editor,2}}, + {nowarn_deprecated_function,{gs,entry,2}}, + {nowarn_deprecated_function,{gs,frame,2}}, + {nowarn_deprecated_function,{gs,label,2}}, + {nowarn_deprecated_function,{gs,listbox,2}}, + {nowarn_deprecated_function,{gs,menu,2}}, + {nowarn_deprecated_function,{gs,menubar,2}}, + {nowarn_deprecated_function,{gs,menubutton,2}}, + {nowarn_deprecated_function,{gs,menuitem,2}}, + {nowarn_deprecated_function,{gs,radiobutton,2}}, + {nowarn_deprecated_function,{gs,read,2}}, + {nowarn_deprecated_function,{gs,start,0}}, + {nowarn_deprecated_function,{gs,stop,0}}, + {nowarn_deprecated_function,{gs,window,2}}]). -export([start/1]). @@ -494,6 +511,16 @@ gui_loop(#gui_state{add_all = AddAll, add_file = AddFile, add_rec = AddRec, [ExtCalls]), free_editor(State, "Analysis done", Msg), gui_loop(State); + {BackendPid, ext_types, ExtTypes} -> + Map = fun({M,F,A}) -> io_lib:format("~p:~p/~p",[M,F,A]) end, + ExtTypeString = string:join(lists:map(Map, ExtTypes), "\n"), + Msg = io_lib:format("The following remote types are being used " + "but information about them is not available.\n" + "The analysis might get more precise by including " + "the modules containing these types and making sure " + "that they are exported:\n~s\n", [ExtTypeString]), + free_editor(State, "Analysis done", Msg), + gui_loop(State); {BackendPid, log, LogMsg} -> update_editor(Log, LogMsg), gui_loop(State); diff --git a/lib/dialyzer/src/dialyzer_gui_wx.erl b/lib/dialyzer/src/dialyzer_gui_wx.erl index e711c15ea7..c6f7c56227 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 2009-2010. All Rights Reserved. +%% Copyright Ericsson AB 2009-2012. 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 @@ -40,39 +40,38 @@ %%------------------------------------------------------------------------ --type wx_object() :: any(). %% XXX: should be imported from wx - --record(menu, {file :: wx_object(), - warnings :: wx_object(), - plt :: wx_object(), - options :: wx_object(), - help :: wx_object()}). - --record(gui_state, {add :: wx_object(), - add_dir :: wx_object(), - add_rec :: wx_object(), - chosen_box :: wx_object(), +-record(menu, {file :: wx:wx_object(), + warnings :: wx:wx_object(), + plt :: wx:wx_object(), + options :: wx:wx_object(), + help :: wx:wx_object()}). +-type menu() :: #menu{}. + +-record(gui_state, {add :: wx:wx_object(), + add_dir :: wx:wx_object(), + add_rec :: wx:wx_object(), + chosen_box :: wx:wx_object(), analysis_pid :: pid(), - del_file :: wx_object(), + del_file :: wx:wx_object(), doc_plt :: dialyzer_plt:plt(), - clear_chosen :: wx_object(), - clear_log :: wx_object(), - explain_warn :: wx_object(), - clear_warn :: wx_object(), + clear_chosen :: wx:wx_object(), + clear_log :: wx:wx_object(), + explain_warn :: wx:wx_object(), + clear_warn :: wx:wx_object(), init_plt :: dialyzer_plt:plt(), - dir_entry :: wx_object(), - file_box :: wx_object(), + dir_entry :: wx:wx_object(), + file_box :: wx:wx_object(), files_to_analyze :: ordset(string()), - gui :: wx_object(), - log :: wx_object(), - menu :: #menu{}, - mode :: wx_object(), + gui :: wx:wx_object(), + log :: wx:wx_object(), + menu :: menu(), + mode :: wx:wx_object(), options :: #options{}, - run :: wx_object(), - stop :: wx_object(), - frame :: wx_object(), - warnings_box :: wx_object(), - explanation_box :: wx_object(), + run :: wx:wx_object(), + stop :: wx:wx_object(), + frame :: wx:wx_object(), + warnings_box :: wx:wx_object(), + explanation_box :: wx:wx_object(), wantedWarnings :: list(), rawWarnings :: list(), backend_pid :: pid(), @@ -193,48 +192,50 @@ create_window(Wx, #options{init_plts = InitPltFiles} = DialyzerOptions) -> RunButtons = wxBoxSizer:new(?wxHORIZONTAL), Buttons = wxFlexGridSizer:new(3), - wxSizer:add(ChooseButtons, DeleteButton, ?BorderOpt), - wxSizer:add(ChooseButtons, DeleteAllButton, ?BorderOpt), - wxSizer:add(ChooseItem, Lab1, Center), - wxSizer:add(ChooseItem, ChosenBox, Opts), - wxSizer:add(ChooseItem, ChooseButtons, ?BorderOpt), - wxSizer:add(FileTypeItem, OptionsLabel), - wxSizer:add(FileTypeItem, FileType, [{border, 5}, {flag, ?wxALL}]), - wxSizer:add(LogItem, LogLabel, Center), - wxSizer:add(LogItem, LogBox, Opts3), - wxSizer:add(LogItem, ClearLogButton, ?BorderOpt), - wxSizer:add(FileItem, FileLabel), - wxSizer:add(FileItem, FilePicker), - wxSizer:add(DirItem, DirLabel), - wxSizer:add(DirItem, DirPicker), - wxSizer:add(AddDirButtons, AddDirButton, ?BorderOpt), - wxSizer:add(AddDirButtons, AddRecButton, ?BorderOpt), - wxSizer:add(FileDirItem, FileItem), - wxSizer:add(FileDirItem, AddButton, ?BorderOpt), - wxSizer:add(FileDirItem, DirItem, ?BorderOpt), - wxSizer:add(FileDirItem, AddDirButtons, ?BorderOpt), - wxSizer:add(WarnButtons, ExplainWarnButton, ?BorderOpt), - wxSizer:add(WarnButtons, ClearWarningsButton, ?BorderOpt), - wxSizer:add(RunButtons, RunButton, ?BorderOpt), - wxSizer:add(RunButtons, StopButton, ?BorderOpt), - wxSizer:add(Buttons, WarnButtons), - wxSizer:add(Buttons, wxStaticText:new(Frame, ?LABEL7, ""), [{flag, ?wxEXPAND}]), - wxSizer:add(Buttons, RunButtons), - wxFlexGridSizer:addGrowableCol(Buttons, 1), - wxSizer:add(WarningsItem, WarningsLabel, Center), - wxSizer:add(WarningsItem, WarningsBox, Opts3), - wxSizer:add(WarningsItem, Buttons, [{flag, ?wxEXPAND bor ?wxALL},?Border]), - - wxSizer:add(Left, ChooseItem, Opts), - wxSizer:add(Left, FileDirItem, [{proportion, 1}, {border, 60}, {flag, ?wxTOP}]), - wxSizer:add(RightUp, FileTypeItem, ?BorderOpt), - wxSizer:add(RightUp, LogItem, Opts3), - wxSizer:add(Right, RightUp, Opts3), - wxSizer:add(Right, WarningsItem, Opts3), - wxSizer:add(Top, Left, Opts), - wxSizer:add(Top, Right, Opts3), - - wxSizer:add(All, Top, Opts), + _ = wxSizer:add(ChooseButtons, DeleteButton, ?BorderOpt), + _ = wxSizer:add(ChooseButtons, DeleteAllButton, ?BorderOpt), + _ = wxSizer:add(ChooseItem, Lab1, Center), + _ = wxSizer:add(ChooseItem, ChosenBox, Opts), + _ = wxSizer:add(ChooseItem, ChooseButtons, ?BorderOpt), + _ = wxSizer:add(FileTypeItem, OptionsLabel), + _ = wxSizer:add(FileTypeItem, FileType, [{border, 5}, {flag, ?wxALL}]), + _ = wxSizer:add(LogItem, LogLabel, Center), + _ = wxSizer:add(LogItem, LogBox, Opts3), + _ = wxSizer:add(LogItem, ClearLogButton, ?BorderOpt), + _ = wxSizer:add(FileItem, FileLabel), + _ = wxSizer:add(FileItem, FilePicker), + _ = wxSizer:add(DirItem, DirLabel), + _ = wxSizer:add(DirItem, DirPicker), + _ = wxSizer:add(AddDirButtons, AddDirButton, ?BorderOpt), + _ = wxSizer:add(AddDirButtons, AddRecButton, ?BorderOpt), + _ = wxSizer:add(FileDirItem, FileItem), + _ = wxSizer:add(FileDirItem, AddButton, ?BorderOpt), + _ = wxSizer:add(FileDirItem, DirItem, ?BorderOpt), + _ = wxSizer:add(FileDirItem, AddDirButtons, ?BorderOpt), + _ = wxSizer:add(WarnButtons, ExplainWarnButton, ?BorderOpt), + _ = wxSizer:add(WarnButtons, ClearWarningsButton, ?BorderOpt), + _ = wxSizer:add(RunButtons, RunButton, ?BorderOpt), + _ = wxSizer:add(RunButtons, StopButton, ?BorderOpt), + _ = wxSizer:add(Buttons, WarnButtons), + _ = wxSizer:add(Buttons, wxStaticText:new(Frame, ?LABEL7, ""), + [{flag, ?wxEXPAND}]), + _ = wxSizer:add(Buttons, RunButtons), + _ = wxFlexGridSizer:addGrowableCol(Buttons, 1), + _ = wxSizer:add(WarningsItem, WarningsLabel, Center), + _ = wxSizer:add(WarningsItem, WarningsBox, Opts3), + _ = wxSizer:add(WarningsItem, Buttons, + [{flag, ?wxEXPAND bor ?wxALL}, ?Border]), + _ = wxSizer:add(Left, ChooseItem, Opts), + _ = wxSizer:add(Left, FileDirItem, + [{proportion, 1}, {border, 60}, {flag, ?wxTOP}]), + _ = wxSizer:add(RightUp, FileTypeItem, ?BorderOpt), + _ = wxSizer:add(RightUp, LogItem, Opts3), + _ = wxSizer:add(Right, RightUp, Opts3), + _ = wxSizer:add(Right, WarningsItem, Opts3), + _ = wxSizer:add(Top, Left, Opts), + _ = wxSizer:add(Top, Right, Opts3), + + _ = wxSizer:add(All, Top, Opts), wxWindow:setSizer(Frame, All), wxWindow:setSizeHints(Frame, {1150,600}), wxWindow:show(Frame), @@ -295,91 +296,67 @@ create_window(Wx, #options{init_plts = InitPltFiles} = DialyzerOptions) -> createFileMenu() -> FileMenu = wxMenu:new(), - wxMenu:append(FileMenu, wxMenuItem:new([{id, ?menuID_FILE_SAVE_WARNINGS}, - {text, "Save &Warnings"}])), - wxMenu:append(FileMenu, wxMenuItem:new([{id, ?menuID_FILE_SAVE_LOG}, - {text, "Save &Log"}])), - wxMenu:append(FileMenu, wxMenuItem:new([{id, ?menuID_FILE_QUIT}, - {text, "E&xit\tAlt-X"}])), + _ = wxMenu:append(FileMenu, wxMenuItem:new([{id, ?menuID_FILE_SAVE_WARNINGS}, + {text, "Save &Warnings"}])), + _ = wxMenu:append(FileMenu, wxMenuItem:new([{id, ?menuID_FILE_SAVE_LOG}, + {text, "Save &Log"}])), + _ = wxMenu:append(FileMenu, wxMenuItem:new([{id, ?menuID_FILE_QUIT}, + {text, "E&xit\tAlt-X"}])), FileMenu. createWarningsMenu() -> WarningsMenu = wxMenu:new(), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_MATCH_FAILURES, - "Match failures"), - wxMenu:check(WarningsMenu, ?menuID_WARN_MATCH_FAILURES, true), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_FAIL_FUN_CALLS, - "Failing function calls"), - wxMenu:check(WarningsMenu, ?menuID_WARN_FAIL_FUN_CALLS, true), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_BAD_FUN, - "Bad fun applications"), - wxMenu:check(WarningsMenu, ?menuID_WARN_BAD_FUN, true), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_OPAQUE, - "Opaqueness violations"), - wxMenu:check(WarningsMenu, ?menuID_WARN_OPAQUE, true), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_LIST_CONSTR, - "Improper list constructions"), - wxMenu:check(WarningsMenu, ?menuID_WARN_LIST_CONSTR, true), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_UNUSED_FUN, - "Unused functions"), - wxMenu:check(WarningsMenu, ?menuID_WARN_UNUSED_FUN, true), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_ERROR_HANDLING_FUN, - "Error handling functions"), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_NO_RETURN_FUN, - "Functions of no return"), - wxMenu:check(WarningsMenu, ?menuID_WARN_NO_RETURN_FUN, true), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_UNEXPORTED_FUN, - "Call to unexported function"), - wxMenu:check(WarningsMenu, ?menuID_WARN_UNEXPORTED_FUN, true), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_RACE_CONDITIONS, - "Possible race conditions"), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_WRONG_CONTRACTS, - "Wrong contracts"), - wxMenu:check(WarningsMenu, ?menuID_WARN_WRONG_CONTRACTS, true), - wxMenu:appendCheckItem(WarningsMenu, - ?menuID_WARN_CONTRACT_SYNTAX, - "Wrong contract syntax"), - wxMenu:check(WarningsMenu, ?menuID_WARN_CONTRACT_SYNTAX, true), + addCheckedItem(WarningsMenu, ?menuID_WARN_MATCH_FAILURES, "Match failures"), + 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_LIST_CONSTR, + "Improper list constructions"), + addCheckedItem(WarningsMenu, ?menuID_WARN_UNUSED_FUN, "Unused functions"), + _ = wxMenu:appendCheckItem(WarningsMenu, ?menuID_WARN_ERROR_HANDLING_FUN, + "Error handling functions"), + addCheckedItem(WarningsMenu, ?menuID_WARN_NO_RETURN_FUN, + "Functions of no return"), + addCheckedItem(WarningsMenu, ?menuID_WARN_UNEXPORTED_FUN, + "Call to unexported function"), + _ = wxMenu:appendCheckItem(WarningsMenu, ?menuID_WARN_RACE_CONDITIONS, + "Possible race conditions"), + addCheckedItem(WarningsMenu, ?menuID_WARN_WRONG_CONTRACTS, "Wrong contracts"), + addCheckedItem(WarningsMenu, ?menuID_WARN_CONTRACT_SYNTAX, + "Wrong contract syntax"), WarningsMenu. +addCheckedItem(Menu, ItemId, Str) -> + _ = wxMenu:appendCheckItem(Menu, ItemId, Str), + wxMenu:check(Menu, ItemId, true). + createPltMenu() -> PltMenu = wxMenu:new(), - wxMenu:appendCheckItem(PltMenu, - ?menuID_PLT_INIT_EMPTY, - "Init with empty PLT"), - wxMenu:append(PltMenu, wxMenuItem:new([{id, ?menuID_PLT_SHOW_CONTENTS}, - {text, "Show contents"}])), - wxMenu:append(PltMenu, wxMenuItem:new([{id, ?menuID_PLT_SEARCH_CONTENTS}, - {text, "Search contents"}])), + _ = wxMenu:appendCheckItem(PltMenu, ?menuID_PLT_INIT_EMPTY, + "Init with empty PLT"), + _ = wxMenu:append(PltMenu, wxMenuItem:new([{id, ?menuID_PLT_SHOW_CONTENTS}, + {text, "Show contents"}])), + _ = wxMenu:append(PltMenu, wxMenuItem:new([{id, ?menuID_PLT_SEARCH_CONTENTS}, + {text, "Search contents"}])), PltMenu. createOptionsMenu() -> OptsMenu = wxMenu:new(), - wxMenu:append(OptsMenu, wxMenuItem:new([{id, ?menuID_OPTIONS_MACRO}, - {text, "Manage Macro Definitions"}])), - wxMenu:append(OptsMenu, wxMenuItem:new([{id, ?menuID_OPTIONS_INCLUDE_DIR}, - {text, "Manage Include Directories"}])), + _ = wxMenu:append(OptsMenu, wxMenuItem:new([{id, ?menuID_OPTIONS_MACRO}, + {text, "Manage Macro Definitions"}])), + _ = wxMenu:append(OptsMenu, wxMenuItem:new([{id, ?menuID_OPTIONS_INCLUDE_DIR}, + {text, "Manage Include Directories"}])), OptsMenu. createHelpMenu() -> HelpMenu = wxMenu:new(), - wxMenu:append(HelpMenu, wxMenuItem:new([{id, ?menuID_HELP_MANUAL}, - {text, "Manual"}])), - wxMenu:append(HelpMenu, wxMenuItem:new([{id, ?menuID_HELP_WARNING_OPTIONS}, - {text, "Warning Options"}])), - wxMenu:append(HelpMenu, wxMenuItem:new([{id, ?menuID_HELP_ABOUT}, - {text, "About"}])), + _ = wxMenu:append(HelpMenu, wxMenuItem:new([{id, ?menuID_HELP_MANUAL}, + {text, "Manual"}])), + _ = wxMenu:append(HelpMenu, wxMenuItem:new([{id, ?menuID_HELP_WARNING_OPTIONS}, + {text, "Warning Options"}])), + _ = wxMenu:append(HelpMenu, wxMenuItem:new([{id, ?menuID_HELP_ABOUT}, + {text, "About"}])), HelpMenu. %% ---------------------------------------------------------------- @@ -503,6 +480,16 @@ gui_loop(#gui_state{backend_pid = BackendPid, doc_plt = DocPlt, [ExtCalls]), free_editor(State,"Analysis Done", Msg), gui_loop(State); + {BackendPid, ext_types, ExtTypes} -> + Map = fun({M,F,A}) -> io_lib:format("~p:~p/~p",[M,F,A]) end, + ExtTypeString = string:join(lists:map(Map, ExtTypes), "\n"), + Msg = io_lib:format("The following remote types are being used " + "but information about them is not available.\n" + "The analysis might get more precise by including " + "the modules containing these types and making sure " + "that they are exported:\n~s\n", [ExtTypeString]), + free_editor(State, "Analysis done", Msg), + gui_loop(State); {BackendPid, log, LogMsg} -> update_editor(Log, LogMsg), gui_loop(State); @@ -574,20 +561,20 @@ search_doc_plt(#gui_state{gui = Wx} = State) -> ArLayout = wxBoxSizer:new(?wxVERTICAL), Buttons = wxBoxSizer:new(?wxHORIZONTAL), - wxSizer:add(ModLayout, ModLabel, ?BorderOpt), - wxSizer:add(ModLayout,ModText, ?BorderOpt), - wxSizer:add(FunLayout, FunLabel, ?BorderOpt), - wxSizer:add(FunLayout,FunText, ?BorderOpt), - wxSizer:add(ArLayout, ArLabel, ?BorderOpt), - wxSizer:add(ArLayout,ArText, ?BorderOpt), - wxSizer:add(Buttons, SearchButton, ?BorderOpt), - wxSizer:add(Buttons,Cancel, ?BorderOpt), - - wxSizer:add(Top, ModLayout), - wxSizer:add(Top, FunLayout), - wxSizer:add(Top, ArLayout), - wxSizer:add(Layout, Top,[{flag, ?wxALIGN_CENTER}]), - wxSizer:add(Layout, Buttons,[{flag, ?wxALIGN_CENTER bor ?wxBOTTOM}]), + _ = wxSizer:add(ModLayout, ModLabel, ?BorderOpt), + _ = wxSizer:add(ModLayout, ModText, ?BorderOpt), + _ = wxSizer:add(FunLayout, FunLabel, ?BorderOpt), + _ = wxSizer:add(FunLayout,FunText, ?BorderOpt), + _ = wxSizer:add(ArLayout, ArLabel, ?BorderOpt), + _ = wxSizer:add(ArLayout,ArText, ?BorderOpt), + _ = wxSizer:add(Buttons, SearchButton, ?BorderOpt), + _ = wxSizer:add(Buttons,Cancel, ?BorderOpt), + + _ = wxSizer:add(Top, ModLayout), + _ = wxSizer:add(Top, FunLayout), + _ = wxSizer:add(Top, ArLayout), + _ = wxSizer:add(Layout, Top,[{flag, ?wxALIGN_CENTER}]), + _ = wxSizer:add(Layout, Buttons,[{flag, ?wxALIGN_CENTER bor ?wxBOTTOM}]), wxFrame:connect(Dialog, close_window), wxWindow:setSizer(Dialog, Layout), wxFrame:show(Dialog), @@ -645,14 +632,15 @@ error_sms(State, Message) -> output_sms(State, ?DIALYZER_ERROR_TITLE, Message, error). output_sms(#gui_state{frame = Frame}, Title, Message, Type) -> - case Type of - error -> - MessageWin = wxMessageDialog:new(Frame,Message,[{caption, Title},{style, ?wxOK bor ?wxICON_ERROR}]); - info -> - MessageWin = wxMessageDialog:new(Frame,Message,[{caption, Title},{style, ?wxOK bor ?wxICON_INFORMATION}]) - end, + Style = case Type of + error -> ?wxOK bor ?wxICON_ERROR; + info -> ?wxOK bor ?wxICON_INFORMATION + end, + Options = [{caption, Title}, {style, Style}], + MessageWin = wxMessageDialog:new(Frame, Message, Options), wxWindow:setSizeHints(MessageWin, {350,100}), - wxDialog:showModal(MessageWin). + wxDialog:showModal(MessageWin), + ok. free_editor(#gui_state{gui = Wx, frame = Frame}, Title, Contents0) -> Contents = lists:flatten(Contents0), @@ -676,8 +664,9 @@ free_editor(#gui_state{gui = Wx, frame = Frame}, Title, Contents0) -> wxButton:connect(Ok, command_button_clicked), Layout = wxBoxSizer:new(?wxVERTICAL), - wxSizer:add(Layout, Editor, ?BorderOpt), - wxSizer:add(Layout, Ok, [{flag, ?wxALIGN_CENTER bor ?wxBOTTOM bor ?wxALL}, ?Border]), + _ = wxSizer:add(Layout, Editor, ?BorderOpt), + Flag = ?wxALIGN_CENTER bor ?wxBOTTOM bor ?wxALL, + _ = wxSizer:add(Layout, Ok, [{flag, Flag}, ?Border]), wxWindow:setSizer(Win, Layout), wxWindow:show(Win), show_info_loop(Frame, Win). @@ -687,7 +676,7 @@ show_info_loop(Frame, Win) -> #wx{id = ?Message_Ok, event = #wxCommand{type = command_button_clicked}} -> wxWindow:destroy(Win); #wx{id = ?Message, event = #wxClose{type = close_window}} -> - wxWindow:destroy(Win); + wxWindow:destroy(Win); #wx{event = #wxClose{type = close_window}} -> wxWindow:destroy(Frame) end. @@ -814,7 +803,7 @@ build_analysis_record(#gui_state{mode = Mode, menu = Menu, options = Options, 1 -> src_code end, InitPlt = - case wxMenu:isChecked(Menu#menu.plt,?menuID_PLT_INIT_EMPTY) of + case wxMenu:isChecked(Menu#menu.plt, ?menuID_PLT_INIT_EMPTY) of true -> dialyzer_plt:new(); false -> InitPlt0 end, @@ -912,13 +901,14 @@ save_file(#gui_state{frame = Frame, warnings_box = WBox, log = Log} = State, Typ {message, Message}, {style,?wxFD_SAVE bor ?wxFD_OVERWRITE_PROMPT}]), case wxFileDialog:showModal(FileDialog) of - ?wxID_OK -> Path = wxFileDialog:getPath(FileDialog), - case wxTextCtrl:saveFile(Box,[{file,Path}]) of - true -> ok; - false -> error_sms(State,"Could not write to file:\n" ++ Path) - end; + ?wxID_OK -> + Path = wxFileDialog:getPath(FileDialog), + case wxTextCtrl:saveFile(Box,[{file,Path}]) of + true -> ok; + false -> error_sms(State, "Could not write to file:\n" ++ Path) + end; ?wxID_CANCEL -> wxWindow:destroy(FileDialog); - _ -> error_sms(State,"Could not write to file:\n") + _ -> error_sms(State, "Could not write to file:\n") end end. @@ -952,16 +942,16 @@ include_dialog(#gui_state{gui = Wx, frame = Frame, options = Options}) -> Buttons = wxBoxSizer:new(?wxHORIZONTAL), Buttons1 = wxBoxSizer:new(?wxHORIZONTAL), - wxSizer:add(Layout, DirLabel, [{flag, ?wxALIGN_CENTER_HORIZONTAL}]), - wxSizer:add(Layout, DirPicker, [{flag, ?wxALIGN_CENTER_HORIZONTAL}]), - wxSizer:add(Layout,AddButton, [{flag, ?wxALIGN_CENTER_HORIZONTAL bor ?wxALL}, ?Border]), - wxSizer:add(Layout,Box, [{flag, ?wxALIGN_CENTER_HORIZONTAL bor ?wxALL}, ?Border]), - wxSizer:add(Buttons, DeleteButton, ?BorderOpt), - wxSizer:add(Buttons, DeleteAllButton, ?BorderOpt), - wxSizer:add(Layout,Buttons, [{flag, ?wxALIGN_CENTER_HORIZONTAL}]), - wxSizer:add(Buttons1, Ok, ?BorderOpt), - wxSizer:add(Buttons1,Cancel, ?BorderOpt), - wxSizer:add(Layout,Buttons1,[{flag, ?wxALIGN_RIGHT bor ?wxBOTTOM}]), + _ = wxSizer:add(Layout, DirLabel, [{flag, ?wxALIGN_CENTER_HORIZONTAL}]), + _ = wxSizer:add(Layout, DirPicker, [{flag, ?wxALIGN_CENTER_HORIZONTAL}]), + _ = wxSizer:add(Layout,AddButton, [{flag, ?wxALIGN_CENTER_HORIZONTAL bor ?wxALL}, ?Border]), + _ = wxSizer:add(Layout,Box, [{flag, ?wxALIGN_CENTER_HORIZONTAL bor ?wxALL}, ?Border]), + _ = wxSizer:add(Buttons, DeleteButton, ?BorderOpt), + _ = wxSizer:add(Buttons, DeleteAllButton, ?BorderOpt), + _ = wxSizer:add(Layout,Buttons, [{flag, ?wxALIGN_CENTER_HORIZONTAL}]), + _ = wxSizer:add(Buttons1, Ok, ?BorderOpt), + _ = wxSizer:add(Buttons1,Cancel, ?BorderOpt), + _ = wxSizer:add(Layout,Buttons1,[{flag, ?wxALIGN_RIGHT bor ?wxBOTTOM}]), wxFrame:connect(Dialog, close_window), wxWindow:setSizer(Dialog, Layout), @@ -1049,21 +1039,21 @@ macro_dialog(#gui_state{gui = Wx, frame = Frame, options = Options}) -> Buttons = wxBoxSizer:new(?wxHORIZONTAL), Buttons1 = wxBoxSizer:new(?wxHORIZONTAL), - wxSizer:add(MacroItem, MacroLabel, ?BorderOpt), - wxSizer:add(MacroItem, MacroText, ?BorderOpt), - wxSizer:add(TermItem, TermLabel, ?BorderOpt), - wxSizer:add(TermItem, TermText, ?BorderOpt), - wxSizer:add(Item, MacroItem), - wxSizer:add(Item, TermItem), - wxSizer:add(Layout, Item, [{flag, ?wxALIGN_CENTER_HORIZONTAL}]), - wxSizer:add(Layout, AddButton, [{flag, ?wxALIGN_CENTER_HORIZONTAL bor ?wxALL}, ?Border]), - wxSizer:add(Layout, Box, [{flag, ?wxALIGN_CENTER_HORIZONTAL bor ?wxALL}, ?Border]), - wxSizer:add(Buttons, DeleteButton, ?BorderOpt), - wxSizer:add(Buttons, DeleteAllButton, ?BorderOpt), - wxSizer:add(Layout, Buttons, [{flag, ?wxALIGN_CENTER_HORIZONTAL}]), - wxSizer:add(Buttons1, Ok, ?BorderOpt), - wxSizer:add(Buttons1, Cancel, ?BorderOpt), - wxSizer:add(Layout, Buttons1, [{flag, ?wxALIGN_RIGHT bor ?wxBOTTOM}]), + _ = wxSizer:add(MacroItem, MacroLabel, ?BorderOpt), + _ = wxSizer:add(MacroItem, MacroText, ?BorderOpt), + _ = wxSizer:add(TermItem, TermLabel, ?BorderOpt), + _ = wxSizer:add(TermItem, TermText, ?BorderOpt), + _ = wxSizer:add(Item, MacroItem), + _ = wxSizer:add(Item, TermItem), + _ = wxSizer:add(Layout, Item, [{flag, ?wxALIGN_CENTER_HORIZONTAL}]), + _ = wxSizer:add(Layout, AddButton, [{flag, ?wxALIGN_CENTER_HORIZONTAL bor ?wxALL}, ?Border]), + _ = wxSizer:add(Layout, Box, [{flag, ?wxALIGN_CENTER_HORIZONTAL bor ?wxALL}, ?Border]), + _ = wxSizer:add(Buttons, DeleteButton, ?BorderOpt), + _ = wxSizer:add(Buttons, DeleteAllButton, ?BorderOpt), + _ = wxSizer:add(Layout, Buttons, [{flag, ?wxALIGN_CENTER_HORIZONTAL}]), + _ = wxSizer:add(Buttons1, Ok, ?BorderOpt), + _ = wxSizer:add(Buttons1, Cancel, ?BorderOpt), + _ = wxSizer:add(Layout, Buttons1, [{flag, ?wxALIGN_RIGHT bor ?wxBOTTOM}]), wxFrame:connect(Dialog, close_window), wxWindow:setSizer(Dialog, Layout), @@ -1207,13 +1197,14 @@ show_explanation(#gui_state{gui = Wx} = State, Explanation) -> wxButton:connect(Ok, command_button_clicked), Layout = wxBoxSizer:new(?wxVERTICAL), Buttons = wxBoxSizer:new(?wxHORIZONTAL), - wxSizer:add(Buttons, ExplButton, ?BorderOpt), - wxSizer:add(Buttons, Ok, ?BorderOpt), - wxSizer:add(Layout, Editor,[{flag, ?wxALIGN_CENTER_HORIZONTAL bor ?wxALL}, ?Border]), - wxSizer:add(Layout, Buttons,[{flag, ?wxALIGN_CENTER_HORIZONTAL}]), + _ = wxSizer:add(Buttons, ExplButton, ?BorderOpt), + _ = wxSizer:add(Buttons, Ok, ?BorderOpt), + _ = wxSizer:add(Layout, Editor, [{flag, ?wxALIGN_CENTER_HORIZONTAL bor ?wxALL}, ?Border]), + _ = wxSizer:add(Layout, Buttons,[{flag, ?wxALIGN_CENTER_HORIZONTAL}]), wxWindow:setSizer(Win, Layout), wxWindow:show(Win), - show_explanation_loop(State#gui_state{explanation_box = Editor}, Win, Explanation) + NewState = State#gui_state{explanation_box = Editor}, + show_explanation_loop(NewState, Win, Explanation) end. show_explanation_loop(#gui_state{frame = Frame, expl_pid = ExplPid} = State, Win, Explanation) -> diff --git a/lib/dialyzer/src/dialyzer_options.erl b/lib/dialyzer/src/dialyzer_options.erl index b2a67de8bd..06672e595f 100644 --- a/lib/dialyzer/src/dialyzer_options.erl +++ b/lib/dialyzer/src/dialyzer_options.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2011. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -49,7 +49,9 @@ build(Opts) -> ?WARN_CALLGRAPH, ?WARN_CONTRACT_RANGE, ?WARN_CONTRACT_TYPES, - ?WARN_CONTRACT_SYNTAX], + ?WARN_CONTRACT_SYNTAX, + ?WARN_BEHAVIOUR, + ?WARN_UNDEFINED_CALLBACK], DefaultWarns1 = ordsets:from_list(DefaultWarns), InitPlt = dialyzer_plt:get_default_plt(), DefaultOpts = #options{}, @@ -192,6 +194,11 @@ build_options([{OptionName, Value} = Term|Rest], Options) -> callgraph_file -> assert_filename(Value), build_options(Rest, Options#options{callgraph_file = Value}); + timing -> + build_options(Rest, Options#options{timing = Value}); + solvers -> + assert_solvers(Value), + build_options(Rest, Options#options{solvers = Value}); _ -> bad_option("Unknown dialyzer command line option", Term) end; @@ -253,6 +260,15 @@ is_plt_mode(plt_remove) -> true; is_plt_mode(plt_check) -> true; is_plt_mode(succ_typings) -> false. +assert_solvers([]) -> + ok; +assert_solvers([v1|Terms]) -> + assert_solvers(Terms); +assert_solvers([v2|Terms]) -> + assert_solvers(Terms); +assert_solvers([Term|_]) -> + bad_option("Illegal value for solver", Term). + -spec build_warnings([atom()], [dial_warning()]) -> [dial_warning()]. build_warnings([Opt|Opts], Warnings) -> @@ -275,14 +291,16 @@ build_warnings([Opt|Opts], Warnings) -> no_contracts -> Warnings1 = ordsets:del_element(?WARN_CONTRACT_SYNTAX, Warnings), ordsets:del_element(?WARN_CONTRACT_TYPES, Warnings1); + no_behaviours -> + ordsets:del_element(?WARN_BEHAVIOUR, Warnings); + no_undefined_callbacks -> + ordsets:del_element(?WARN_UNDEFINED_CALLBACK, Warnings); unmatched_returns -> ordsets:add_element(?WARN_UNMATCHED_RETURN, Warnings); error_handling -> ordsets:add_element(?WARN_RETURN_ONLY_EXIT, Warnings); race_conditions -> ordsets:add_element(?WARN_RACE_CONDITION, Warnings); - behaviours -> - ordsets:add_element(?WARN_BEHAVIOUR, Warnings); specdiffs -> S = ordsets:from_list([?WARN_CONTRACT_SUBTYPE, ?WARN_CONTRACT_SUPERTYPE, diff --git a/lib/dialyzer/src/dialyzer_plt.erl b/lib/dialyzer/src/dialyzer_plt.erl index 6033d7f17c..5f64099210 100644 --- a/lib/dialyzer/src/dialyzer_plt.erl +++ b/lib/dialyzer/src/dialyzer_plt.erl @@ -2,7 +2,7 @@ %%---------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2011. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -31,8 +31,7 @@ -export([check_plt/3, compute_md5_from_files/1, contains_mfa/2, - contains_module/2, - delete_contract_list/2, + all_modules/1, delete_list/2, delete_module/2, included_files/1, @@ -43,10 +42,12 @@ %% insert/3, insert_list/2, insert_contract_list/2, + insert_callbacks/2, insert_types/2, insert_exported_types/2, lookup/2, lookup_contract/2, + lookup_callbacks/2, lookup_module/2, merge_plts/1, merge_plts_or_report_conflicts/2, @@ -54,7 +55,10 @@ plt_and_info_from_file/1, get_specs/1, get_specs/4, - to_file/4]). + to_file/4, + get_mini_plt/1, + restore_full_plt/2 + ]). %% Debug utilities -export([pp_non_returning/0, pp_mod/1]). @@ -79,8 +83,15 @@ -record(plt, {info = table_new() :: dict(), types = table_new() :: dict(), contracts = table_new() :: dict(), + callbacks = table_new() :: dict(), exported_types = sets:new() :: set()}). --opaque plt() :: #plt{}. + +-record(mini_plt, {info :: ets:tid(), + contracts :: ets:tid(), + callbacks :: ets:tid() + }). + +-opaque plt() :: #plt{} | #mini_plt{}. -include("dialyzer.hrl"). @@ -91,6 +102,7 @@ file_md5_list = [] :: [file_md5()], info = dict:new() :: dict(), contracts = dict:new() :: dict(), + callbacks = dict:new() :: dict(), types = dict:new() :: dict(), exported_types = sets:new() :: set(), mod_deps :: mod_deps(), @@ -105,57 +117,72 @@ new() -> -spec delete_module(plt(), atom()) -> plt(). -delete_module(#plt{info = Info, types = Types, contracts = Contracts, +delete_module(#plt{info = Info, types = Types, + contracts = Contracts, + callbacks = Callbacks, exported_types = ExpTypes}, Mod) -> #plt{info = table_delete_module(Info, Mod), types = table_delete_module2(Types, Mod), contracts = table_delete_module(Contracts, Mod), + callbacks = table_delete_module(Callbacks, Mod), exported_types = table_delete_module1(ExpTypes, Mod)}. -spec delete_list(plt(), [mfa() | integer()]) -> plt(). -delete_list(#plt{info = Info, types = Types, contracts = Contracts, +delete_list(#plt{info = Info, types = Types, + contracts = Contracts, + callbacks = Callbacks, exported_types = ExpTypes}, List) -> #plt{info = table_delete_list(Info, List), types = Types, contracts = table_delete_list(Contracts, List), + callbacks = table_delete_list(Callbacks, List), exported_types = ExpTypes}. -spec insert_contract_list(plt(), dialyzer_contracts:plt_contracts()) -> plt(). -insert_contract_list(#plt{contracts = Contracts} = PLT, List) -> - PLT#plt{contracts = table_insert_list(Contracts, List)}. +insert_contract_list(#mini_plt{contracts = Contracts} = PLT, List) -> + true = ets:insert(Contracts, List), + PLT. + +-spec insert_callbacks(plt(), dialyzer_codeserver:codeserver()) -> plt(). + +insert_callbacks(#plt{callbacks = Callbacks} = Plt, Codeserver) -> + List = dialyzer_codeserver:get_callbacks(Codeserver), + Plt#plt{callbacks = table_insert_list(Callbacks, List)}. -spec lookup_contract(plt(), mfa_patt()) -> 'none' | {'value', #contract{}}. -lookup_contract(#plt{contracts = Contracts}, +lookup_contract(#mini_plt{contracts = ETSContracts}, {M, F, _} = MFA) when is_atom(M), is_atom(F) -> - table_lookup(Contracts, MFA). - --spec delete_contract_list(plt(), [mfa()]) -> plt(). + ets_table_lookup(ETSContracts, MFA). -delete_contract_list(#plt{contracts = Contracts} = PLT, List) -> - PLT#plt{contracts = table_delete_list(Contracts, List)}. +-spec lookup_callbacks(plt(), module()) -> + 'none' | {'value', [{mfa(), {{Filename::string(), + Line::pos_integer()}, + #contract{}}}]}. -%% -spec insert(plt(), mfa() | integer(), {_, _}) -> plt(). -%% -%% insert(#plt{info = Info} = PLT, Id, Types) -> -%% PLT#plt{info = table_insert(Info, Id, Types)}. +lookup_callbacks(#mini_plt{callbacks = ETSCallbacks}, Mod) when is_atom(Mod) -> + ets_table_lookup(ETSCallbacks, Mod). -type ret_args_types() :: {erl_types:erl_type(), [erl_types:erl_type()]}. -spec insert_list(plt(), [{mfa() | integer(), ret_args_types()}]) -> plt(). -insert_list(#plt{info = Info} = PLT, List) -> - PLT#plt{info = table_insert_list(Info, List)}. +insert_list(#mini_plt{info = Info} = PLT, List) -> + true = ets:insert(Info, List), + PLT. -spec lookup(plt(), integer() | mfa_patt()) -> 'none' | {'value', ret_args_types()}. -lookup(#plt{info = Info}, {M, F, _} = MFA) when is_atom(M), is_atom(F) -> - table_lookup(Info, MFA); -lookup(#plt{info = Info}, Label) when is_integer(Label) -> - table_lookup(Info, Label). +lookup(Plt, {M, F, _} = MFA) when is_atom(M), is_atom(F) -> + lookup_1(Plt, MFA); +lookup(Plt, Label) when is_integer(Label) -> + lookup_1(Plt, Label). + +lookup_1(#mini_plt{info = Info}, MFAorLabel) -> + ets_table_lookup(Info, MFAorLabel). -spec insert_types(plt(), dict()) -> plt(). @@ -184,10 +211,10 @@ get_exported_types(#plt{exported_types = ExpTypes}) -> lookup_module(#plt{info = Info}, M) when is_atom(M) -> table_lookup_module(Info, M). --spec contains_module(plt(), atom()) -> boolean(). +-spec all_modules(plt()) -> set(). -contains_module(#plt{info = Info, contracts = Cs}, M) when is_atom(M) -> - table_contains_module(Info, M) orelse table_contains_module(Cs, M). +all_modules(#plt{info = Info, contracts = Cs}) -> + sets:union(table_all_modules(Info), table_all_modules(Cs)). -spec contains_mfa(plt(), mfa()) -> boolean(). @@ -230,6 +257,7 @@ from_file(FileName, ReturnInfo) -> Plt = #plt{info = Rec#file_plt.info, types = Rec#file_plt.types, contracts = Rec#file_plt.contracts, + callbacks = Rec#file_plt.callbacks, exported_types = Rec#file_plt.exported_types}, case ReturnInfo of false -> Plt; @@ -284,26 +312,34 @@ get_record_from_file(FileName) -> -spec merge_plts([plt()]) -> plt(). merge_plts(List) -> - InfoList = [Info || #plt{info = Info} <- List], - TypesList = [Types || #plt{types = Types} <- List], - ExpTypesList = [ExpTypes || #plt{exported_types = ExpTypes} <- List], - ContractsList = [Contracts || #plt{contracts = Contracts} <- List], + {InfoList, TypesList, ExpTypesList, ContractsList, CallbacksList} = + group_fields(List), #plt{info = table_merge(InfoList), types = table_merge(TypesList), exported_types = sets_merge(ExpTypesList), - contracts = table_merge(ContractsList)}. + contracts = table_merge(ContractsList), + callbacks = table_merge(CallbacksList) + }. -spec merge_disj_plts([plt()]) -> plt(). merge_disj_plts(List) -> + {InfoList, TypesList, ExpTypesList, ContractsList, CallbacksList} = + group_fields(List), + #plt{info = table_disj_merge(InfoList), + types = table_disj_merge(TypesList), + exported_types = sets_disj_merge(ExpTypesList), + contracts = table_disj_merge(ContractsList), + callbacks = table_disj_merge(CallbacksList) + }. + +group_fields(List) -> InfoList = [Info || #plt{info = Info} <- List], TypesList = [Types || #plt{types = Types} <- List], ExpTypesList = [ExpTypes || #plt{exported_types = ExpTypes} <- List], ContractsList = [Contracts || #plt{contracts = Contracts} <- List], - #plt{info = table_disj_merge(InfoList), - types = table_disj_merge(TypesList), - exported_types = sets_disj_merge(ExpTypesList), - contracts = table_disj_merge(ContractsList)}. + CallbacksList = [Callbacks || #plt{callbacks = Callbacks} <- List], + {InfoList, TypesList, ExpTypesList, ContractsList, CallbacksList}. -spec merge_plts_or_report_conflicts([file:filename()], [plt()]) -> plt(). @@ -329,7 +365,7 @@ find_duplicates(List) -> to_file(FileName, #plt{info = Info, types = Types, contracts = Contracts, - exported_types = ExpTypes}, + callbacks = Callbacks, exported_types = ExpTypes}, ModDeps, {MD5, OldModDeps}) -> NewModDeps = dict:merge(fun(_Key, OldVal, NewVal) -> ordsets:union(OldVal, NewVal) @@ -340,6 +376,7 @@ to_file(FileName, file_md5_list = MD5, info = Info, contracts = Contracts, + callbacks = Callbacks, types = Types, exported_types = ExpTypes, mod_deps = NewModDeps, @@ -472,6 +509,34 @@ init_md5_list_1([], DiffList, Acc) -> init_md5_list_1(Md5List, [], Acc) -> {ok, lists:reverse(Acc, Md5List)}. +-spec get_mini_plt(plt()) -> plt(). + +get_mini_plt(#plt{info = Info, contracts = Contracts, callbacks = Callbacks}) -> + [ETSInfo, ETSContracts, ETSCallbacks] = + [ets:new(Name, [public]) || Name <- [plt_info, plt_contracts, plt_callbacks]], + CallbackList = dict:to_list(Callbacks), + CallbacksByModule = + [{M, [Cb || {{M1,_,_},_} = Cb <- CallbackList, M1 =:= M]} || + M <- lists:usort([M || {{M,_,_},_} <- CallbackList])], + [true, true] = + [ets:insert(ETS, dict:to_list(Data)) || + {ETS, Data} <- [{ETSInfo, Info}, {ETSContracts, Contracts}]], + true = ets:insert(ETSCallbacks, CallbacksByModule), + #mini_plt{info = ETSInfo, contracts = ETSContracts, callbacks = ETSCallbacks}; +get_mini_plt(undefined) -> + undefined. + +-spec restore_full_plt(plt(), plt()) -> plt(). + +restore_full_plt(#mini_plt{info = ETSInfo, contracts = ETSContracts}, Plt) -> + Info = dict:from_list(ets:tab2list(ETSInfo)), + Contracts = dict:from_list(ets:tab2list(ETSContracts)), + ets:delete(ETSContracts), + ets:delete(ETSInfo), + Plt#plt{info = Info, contracts = Contracts}; +restore_full_plt(undefined, undefined) -> + undefined. + %%--------------------------------------------------------------------------- %% Edoc @@ -564,6 +629,13 @@ table_lookup(Plt, Obj) -> {ok, Val} -> {value, Val} end. +ets_table_lookup(Plt, Obj) -> + try ets:lookup_element(Plt, Obj, 2) of + Val -> {value, Val} + catch + _:_ -> none + end. + table_lookup_module(Plt, Mod) -> List = dict:fold(fun(Key, Val, Acc) -> case Key of @@ -577,10 +649,12 @@ table_lookup_module(Plt, Mod) -> false -> {value, List} end. -table_contains_module(Plt, Mod) -> - dict:fold(fun({M, _F, _A}, _Val, _Acc) when M =:= Mod -> true; - (_, _, Acc) -> Acc - end, false, Plt). +table_all_modules(Plt) -> + Fold = + fun({M, _F, _A}, _Val, Acc) -> sets:add_element(M, Acc); + (_, _, Acc) -> Acc + end, + dict:fold(Fold, sets:new(), Plt). table_merge([H|T]) -> table_merge(T, H). diff --git a/lib/dialyzer/src/dialyzer_races.erl b/lib/dialyzer/src/dialyzer_races.erl index ee9d5e88a3..2aa8343bce 100644 --- a/lib/dialyzer/src/dialyzer_races.erl +++ b/lib/dialyzer/src/dialyzer_races.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2008-2010. All Rights Reserved. +%% Copyright Ericsson AB 2008-2012. 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 @@ -36,10 +36,11 @@ -export([beg_clause_new/3, cleanup/1, end_case_new/1, end_clause_new/3, get_curr_fun/1, get_curr_fun_args/1, get_new_table/1, get_race_analysis/1, get_race_list/1, get_race_list_size/1, + get_race_list_and_size/1, let_tag_new/2, new/0, put_curr_fun/3, put_fun_args/2, put_race_analysis/2, put_race_list/3]). --export_type([races/0, mfa_or_funlbl/0, core_vars/0]). +-export_type([races/0, core_vars/0]). -include("dialyzer.hrl"). @@ -66,8 +67,6 @@ %%% %%% =========================================================================== --type mfa_or_funlbl() :: label() | mfa(). - -type label_type() :: label() | [label()] | {label()} | ?no_label. -type args() :: [label_type() | [string()]]. -type core_vars() :: cerl:cerl() | ?no_arg | ?bypassed. @@ -94,7 +93,7 @@ guard :: cerl:cerl()}). -record(end_case, {clauses :: [#end_clause{}]}). -record(curr_fun, {status :: 'in' | 'out', - mfa :: mfa_or_funlbl(), + mfa :: dialyzer_callgraph:mfa_or_funlbl(), label :: label(), def_vars :: [core_vars()], arg_types :: [erl_types:erl_type()], @@ -107,8 +106,8 @@ state :: _, %% XXX: recursive file_line :: file_line(), var_map :: dict()}). --record(fun_call, {caller :: mfa_or_funlbl(), - callee :: mfa_or_funlbl(), +-record(fun_call, {caller :: dialyzer_callgraph:mfa_or_funlbl(), + callee :: dialyzer_callgraph:mfa_or_funlbl(), arg_types :: [erl_types:erl_type()], vars :: [core_vars()]}). -record(let_tag, {var :: var_to_map1(), @@ -130,10 +129,10 @@ vars :: [core_vars()], file_line :: file_line(), index :: non_neg_integer(), - fun_mfa :: mfa_or_funlbl(), + fun_mfa :: dialyzer_callgraph:mfa_or_funlbl(), fun_label :: label()}). --record(races, {curr_fun :: mfa_or_funlbl(), +-record(races, {curr_fun :: dialyzer_callgraph:mfa_or_funlbl(), curr_fun_label :: label(), curr_fun_args = 'empty' :: core_args(), new_table = 'no_t' :: table(), @@ -158,7 +157,8 @@ %%% %%% =========================================================================== --spec store_race_call(mfa_or_funlbl(), [erl_types:erl_type()], [core_vars()], +-spec store_race_call(dialyzer_callgraph:mfa_or_funlbl(), + [erl_types:erl_type()], [core_vars()], file_line(), dialyzer_dataflow:state()) -> dialyzer_dataflow:state(). @@ -347,6 +347,7 @@ fixup_race_list(RaceWarnTag, WarnVarArgs, State) -> DepList2 = fixup_race_list_helper(NewParents, Calls, CurrFun, WarnVarArgs, RaceWarnTag, NewState), + dialyzer_dataflow:dispose_state(CleanState), lists:usort(cleanup_dep_calls(DepList1 ++ DepList2)). fixup_race_list_helper(Parents, Calls, CurrFun, WarnVarArgs, RaceWarnTag, @@ -381,13 +382,15 @@ fixup_race_forward_pullout(CurrFun, CurrFunLabel, Calls, Code, RaceList, InitFun, WarnVarArgs, RaceWarnTag, RaceVarMap, FunDefVars, FunCallVars, FunArgTypes, NestingLevel, State) -> + TState = dialyzer_dataflow:state__duplicate(State), {DepList, NewCurrFun, NewCurrFunLabel, NewCalls, NewCode, NewRaceList, NewRaceVarMap, NewFunDefVars, NewFunCallVars, NewFunArgTypes, NewNestingLevel} = fixup_race_forward(CurrFun, CurrFunLabel, Calls, Code, RaceList, InitFun, WarnVarArgs, RaceWarnTag, RaceVarMap, FunDefVars, FunCallVars, FunArgTypes, NestingLevel, - cleanup_race_code(State)), + cleanup_race_code(TState)), + dialyzer_dataflow:dispose_state(TState), case NewCode of [] -> DepList; [#fun_call{caller = NewCurrFun, callee = Call, arg_types = FunTypes, @@ -1755,7 +1758,10 @@ compare_var_list(Var, VarList, RaceVarMap) -> ets_list_args(MaybeList) -> case is_list(MaybeList) of - true -> [ets_tuple_args(T) || T <- MaybeList]; + true -> + try [ets_tuple_args(T) || T <- MaybeList] + catch _:_ -> [?no_label] + end; false -> [ets_tuple_args(MaybeList)] end. @@ -2405,7 +2411,7 @@ end_case_new(Clauses) -> end_clause_new(Arg, Pats, Guard) -> #end_clause{arg = Arg, pats = Pats, guard = Guard}. --spec get_curr_fun(races()) -> mfa_or_funlbl(). +-spec get_curr_fun(races()) -> dialyzer_callgraph:mfa_or_funlbl(). get_curr_fun(#races{curr_fun = CurrFun}) -> CurrFun. @@ -2435,6 +2441,12 @@ get_race_list(#races{race_list = RaceList}) -> get_race_list_size(#races{race_list_size = RaceListSize}) -> RaceListSize. +-spec get_race_list_and_size(races()) -> {code(), non_neg_integer()}. + +get_race_list_and_size(#races{race_list = RaceList, + race_list_size = RaceListSize}) -> + {RaceList, RaceListSize}. + -spec let_tag_new(var_to_map1(), var_to_map1()) -> #let_tag{}. let_tag_new(Var, Arg) -> @@ -2444,7 +2456,7 @@ let_tag_new(Var, Arg) -> new() -> #races{}. --spec put_curr_fun(mfa_or_funlbl(), label(), races()) -> +-spec put_curr_fun(dialyzer_callgraph:mfa_or_funlbl(), label(), races()) -> races(). put_curr_fun(CurrFun, CurrFunLabel, Races) -> diff --git a/lib/dialyzer/src/dialyzer_succ_typings.erl b/lib/dialyzer/src/dialyzer_succ_typings.erl index dc5a3fed37..84379642bf 100644 --- a/lib/dialyzer/src/dialyzer_succ_typings.erl +++ b/lib/dialyzer/src/dialyzer_succ_typings.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2011. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -28,15 +28,22 @@ -module(dialyzer_succ_typings). -export([analyze_callgraph/3, - analyze_callgraph/4, - get_warnings/7]). + analyze_callgraph/6, + get_warnings/8 + ]). -%% These are only intended as debug functions. --export([doit/1, - get_top_level_signatures/3]). +-export([ + find_succ_types_for_scc/2, + refine_one_module/2, + find_required_by/2, + find_depends_on/2, + collect_warnings/2, + lookup_names/2 + ]). + +-export_type([typesig_init_data/0, dataflow_init_data/0, warnings_init_data/0]). %%-define(DEBUG, true). -%%-define(DEBUG_PP, true). -ifdef(DEBUG). -define(debug(X__, Y__), io:format(X__, Y__)). @@ -54,11 +61,21 @@ %% State record -- local to this module -type parent() :: 'none' | pid(). +-type typesig_init_data() :: term(). +-type dataflow_init_data() :: term(). +-type warnings_init_data() :: term(). + +-type fixpoint_init_data() :: typesig_init_data() | dataflow_init_data(). + +-type scc() :: [mfa_or_funlbl()] | [module()]. + -record(st, {callgraph :: dialyzer_callgraph:callgraph(), codeserver :: dialyzer_codeserver:codeserver(), no_warn_unused :: set(), parent = none :: parent(), + timing_server :: dialyzer_timing:timing_server(), + solvers :: [solver()], plt :: dialyzer_plt:plt()}). %%-------------------------------------------------------------------- @@ -68,62 +85,90 @@ dialyzer_plt:plt(). analyze_callgraph(Callgraph, Plt, Codeserver) -> - analyze_callgraph(Callgraph, Plt, Codeserver, none). + analyze_callgraph(Callgraph, Plt, Codeserver, none, [], none). -spec analyze_callgraph(dialyzer_callgraph:callgraph(), dialyzer_plt:plt(), - dialyzer_codeserver:codeserver(), parent()) -> + dialyzer_codeserver:codeserver(), + dialyzer_timing:timing_server(), + [solver()], parent()) -> dialyzer_plt:plt(). -analyze_callgraph(Callgraph, Plt, Codeserver, Parent) -> - State = #st{callgraph = Callgraph, plt = Plt, - codeserver = Codeserver, parent = Parent}, - NewState = get_refined_success_typings(State), - NewState#st.plt. +analyze_callgraph(Callgraph, Plt, Codeserver, TimingServer, Solvers, Parent) -> + NewState = + init_state_and_get_success_typings(Callgraph, Plt, Codeserver, + TimingServer, Solvers, Parent), + dialyzer_plt:restore_full_plt(NewState#st.plt, Plt). %%-------------------------------------------------------------------- -get_refined_success_typings(State) -> - case find_succ_typings(State) of +init_state_and_get_success_typings(Callgraph, Plt, Codeserver, + TimingServer, Solvers, Parent) -> + {SCCs, Callgraph1} = + ?timing(TimingServer, "order", dialyzer_callgraph:finalize(Callgraph)), + State = #st{callgraph = Callgraph1, plt = dialyzer_plt:get_mini_plt(Plt), + codeserver = Codeserver, parent = Parent, + timing_server = TimingServer, solvers = Solvers}, + get_refined_success_typings(SCCs, State). + +get_refined_success_typings(SCCs, #st{callgraph = Callgraph, + timing_server = TimingServer} = State) -> + case find_succ_typings(SCCs, State) of {fixpoint, State1} -> State1; {not_fixpoint, NotFixpoint1, State1} -> - Callgraph = State1#st.callgraph, - NotFixpoint2 = [lookup_name(F, Callgraph) || F <- NotFixpoint1], - ModulePostorder = - dialyzer_callgraph:module_postorder_from_funs(NotFixpoint2, Callgraph), - case refine_succ_typings(ModulePostorder, State1) of + {ModulePostorder, ModCallgraph} = + ?timing( + TimingServer, "order", _C1, + dialyzer_callgraph:module_postorder_from_funs(NotFixpoint1, + Callgraph)), + ModState = State1#st{callgraph = ModCallgraph}, + case refine_succ_typings(ModulePostorder, ModState) of {fixpoint, State2} -> State2; - {not_fixpoint, NotFixpoint3, State2} -> - Callgraph1 = State2#st.callgraph, + {not_fixpoint, NotFixpoint2, State2} -> %% Need to reset the callgraph. - NotFixpoint4 = [lookup_name(F, Callgraph1) || F <- NotFixpoint3], - Callgraph2 = dialyzer_callgraph:reset_from_funs(NotFixpoint4, - Callgraph1), - get_refined_success_typings(State2#st{callgraph = Callgraph2}) + {NewSCCs, Callgraph2} = + ?timing(TimingServer, "order", _C2, + dialyzer_callgraph:reset_from_funs(NotFixpoint2, + ModCallgraph)), + NewState = State2#st{callgraph = Callgraph2}, + get_refined_success_typings(NewSCCs, NewState) end end. -type doc_plt() :: 'undefined' | dialyzer_plt:plt(). -spec get_warnings(dialyzer_callgraph:callgraph(), dialyzer_plt:plt(), doc_plt(), dialyzer_codeserver:codeserver(), set(), - pid(), boolean()) -> + dialyzer_timing:timing_server(), [solver()], pid()) -> {[dial_warning()], dialyzer_plt:plt(), doc_plt()}. get_warnings(Callgraph, Plt, DocPlt, Codeserver, - NoWarnUnused, Parent, BehavioursChk) -> - InitState = #st{callgraph = Callgraph, codeserver = Codeserver, - no_warn_unused = NoWarnUnused, parent = Parent, plt = Plt}, - NewState = get_refined_success_typings(InitState), + NoWarnUnused, TimingServer, Solvers, Parent) -> + InitState = + init_state_and_get_success_typings(Callgraph, Plt, Codeserver, + TimingServer, Solvers, Parent), + NewState = InitState#st{no_warn_unused = NoWarnUnused}, Mods = dialyzer_callgraph:modules(NewState#st.callgraph), - CWarns = dialyzer_contracts:get_invalid_contract_warnings(Mods, Codeserver, - NewState#st.plt), - get_warnings_from_modules(Mods, NewState, DocPlt, BehavioursChk, CWarns). - -get_warnings_from_modules([M|Ms], State, DocPlt, - BehavioursChk, Acc) when is_atom(M) -> - send_log(State#st.parent, io_lib:format("Getting warnings for ~w\n", [M])), + MiniPlt = NewState#st.plt, + CWarns = + dialyzer_contracts:get_invalid_contract_warnings(Mods, Codeserver, MiniPlt), + MiniDocPlt = dialyzer_plt:get_mini_plt(DocPlt), + ModWarns = + ?timing(TimingServer, "warning", + get_warnings_from_modules(Mods, NewState, MiniDocPlt)), + {postprocess_warnings(CWarns ++ ModWarns, Codeserver), + dialyzer_plt:restore_full_plt(MiniPlt, Plt), + dialyzer_plt:restore_full_plt(MiniDocPlt, DocPlt)}. + +get_warnings_from_modules(Mods, State, DocPlt) -> #st{callgraph = Callgraph, codeserver = Codeserver, - no_warn_unused = NoWarnUnused, plt = Plt} = State, + no_warn_unused = NoWarnUnused, plt = Plt, + timing_server = TimingServer} = State, + Init = {Codeserver, Callgraph, NoWarnUnused, Plt, DocPlt}, + dialyzer_coordinator:parallel_job(warnings, Mods, Init, TimingServer). + +-spec collect_warnings(module(), warnings_init_data()) -> [dial_warning()]. + +collect_warnings(M, {Codeserver, Callgraph, NoWarnUnused, Plt, DocPlt}) -> ModCode = dialyzer_codeserver:lookup_mod_code(M, Codeserver), Records = dialyzer_codeserver:lookup_mod_records(M, Codeserver), Contracts = dialyzer_codeserver:lookup_mod_contracts(M, Codeserver), @@ -131,32 +176,27 @@ 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), - {RawWarnings2, FunTypes, RaceCode, PublicTables, NamedTables} = - dialyzer_dataflow:get_warnings(ModCode, Plt, Callgraph, Records, NoWarnUnused), - {NewAcc, Warnings2} = postprocess_dataflow_warns(RawWarnings2, State, Acc), + {Warnings2, FunTypes} = + dialyzer_dataflow:get_warnings(ModCode, Plt, Callgraph, + Records, NoWarnUnused), Attrs = cerl:module_attrs(ModCode), - Warnings3 = if BehavioursChk -> - dialyzer_behaviours:check_callbacks(M, Attrs, - Plt, Codeserver); - true -> [] - end, - NewDocPlt = insert_into_doc_plt(FunTypes, Callgraph, DocPlt), - NewCallgraph = - dialyzer_callgraph:renew_race_info(Callgraph, RaceCode, PublicTables, - NamedTables), - State1 = st__renew_state_calls(NewCallgraph, State), - get_warnings_from_modules(Ms, State1, NewDocPlt, BehavioursChk, - [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)}; + Warnings3 = + dialyzer_behaviours:check_callbacks(M, Attrs, Records, Plt, Codeserver), + DocPlt = insert_into_doc_plt(FunTypes, Callgraph, DocPlt), + lists:flatten([Warnings1, Warnings2, Warnings3]). + +postprocess_warnings(RawWarnings, Codeserver) -> + Pred = + fun({?WARN_CONTRACT_RANGE, _, _}) -> true; + (_) -> false + end, + {CRWarns, NonCRWarns} = lists:partition(Pred, RawWarnings), + postprocess_dataflow_warns(CRWarns, Codeserver, NonCRWarns, []). + +postprocess_dataflow_warns([], _Callgraph, WAcc, Acc) -> + lists:reverse(Acc, WAcc); postprocess_dataflow_warns([{?WARN_CONTRACT_RANGE, {CallF, CallL}, Msg}|Rest], - #st{codeserver = Codeserver} = State, WAcc, Acc) -> + Codeserver, WAcc, Acc) -> {contract_range, [Contract, M, F, A, ArgStrings, CRet]} = Msg, case dialyzer_codeserver:lookup_mfa_contract({M,F,A}, Codeserver) of {ok, {{ContrF, _ContrL} = FileLine, _C}} -> @@ -169,87 +209,66 @@ postprocess_dataflow_warns([{?WARN_CONTRACT_RANGE, {CallF, CallL}, Msg}|Rest], (_) -> true end, FilterWAcc = lists:filter(Filter, WAcc), - postprocess_dataflow_warns(Rest, State, FilterWAcc, [W|Acc]); + postprocess_dataflow_warns(Rest, Codeserver, FilterWAcc, [W|Acc]); false -> - postprocess_dataflow_warns(Rest, State, WAcc, Acc) + postprocess_dataflow_warns(Rest, Codeserver, WAcc, Acc) end; error -> %% The contract is not in a module that is currently under analysis. %% We display the warning in the file/line of the call. NewMsg = {contract_range, [Contract, M, F, ArgStrings, CallL, CRet]}, W = {?WARN_CONTRACT_RANGE, {CallF, CallL}, NewMsg}, - postprocess_dataflow_warns(Rest, State, WAcc, [W|Acc]) - end; -postprocess_dataflow_warns([W|Rest], State, Wacc, Acc) -> - postprocess_dataflow_warns(Rest, State, Wacc, [W|Acc]). + postprocess_dataflow_warns(Rest, Codeserver, WAcc, [W|Acc]) + end. -refine_succ_typings(ModulePostorder, State) -> - ?debug("Module postorder: ~p\n", [ModulePostorder]), - refine_succ_typings(ModulePostorder, State, []). - -refine_succ_typings([SCC|SCCs], State, Fixpoint) -> - Msg = io_lib:format("Dataflow of one SCC: ~w\n", [SCC]), - send_log(State#st.parent, Msg), - ?debug("~s\n", [Msg]), - {NewState, FixpointFromScc} = - case SCC of - [M] -> refine_one_module(M, State); - [_|_] -> refine_one_scc(SCC, State) - end, - NewFixpoint = ordsets:union(Fixpoint, FixpointFromScc), - refine_succ_typings(SCCs, NewState, NewFixpoint); -refine_succ_typings([], State, Fixpoint) -> - case Fixpoint =:= [] of +refine_succ_typings(Modules, #st{codeserver = Codeserver, + callgraph = Callgraph, + plt = Plt, + timing_server = Timing, + solvers = Solvers} = State) -> + ?debug("Module postorder: ~p\n", [Modules]), + Init = {Codeserver, Callgraph, Plt, Solvers}, + NotFixpoint = + ?timing(Timing, "refine", + dialyzer_coordinator:parallel_job(dataflow, Modules, Init, Timing)), + ?debug("==================== Dataflow done ====================\n\n", []), + case NotFixpoint =:= [] of true -> {fixpoint, State}; - false -> {not_fixpoint, Fixpoint, State} + false -> {not_fixpoint, NotFixpoint, State} end. --spec refine_one_module(module(), #st{}) -> {#st{}, [label()]}. % ordset +-spec find_depends_on(scc() | module(), fixpoint_init_data()) -> [scc()]. -refine_one_module(M, State) -> - #st{callgraph = Callgraph, codeserver = CodeServer, plt = PLT} = State, +find_depends_on(SCC, {_Codeserver, Callgraph, _Plt, _Solvers}) -> + dialyzer_callgraph:get_depends_on(SCC, Callgraph). + +-spec find_required_by(scc() | module(), fixpoint_init_data()) -> [scc()]. + +find_required_by(SCC, {_Codeserver, Callgraph, _Plt, _Solvers}) -> + dialyzer_callgraph:get_required_by(SCC, Callgraph). + +-spec lookup_names([label()], fixpoint_init_data()) -> [mfa_or_funlbl()]. + +lookup_names(Labels, {_Codeserver, Callgraph, _Plt, _Solvers}) -> + [lookup_name(F, Callgraph) || F <- Labels]. + +-spec refine_one_module(module(), dataflow_init_data()) -> [label()]. % ordset + +refine_one_module(M, {CodeServer, Callgraph, Plt, _Solvers}) -> ModCode = dialyzer_codeserver:lookup_mod_code(M, CodeServer), AllFuns = collect_fun_info([ModCode]), - FunTypes = get_fun_types_from_plt(AllFuns, State), Records = dialyzer_codeserver:lookup_mod_records(M, CodeServer), - {NewFunTypes, RaceCode, PublicTables, NamedTables} = - dialyzer_dataflow:get_fun_types(ModCode, PLT, Callgraph, Records), - NewCallgraph = - dialyzer_callgraph:renew_race_info(Callgraph, RaceCode, PublicTables, - NamedTables), + FunTypes = get_fun_types_from_plt(AllFuns, Callgraph, Plt), + NewFunTypes = + dialyzer_dataflow:get_fun_types(ModCode, Plt, Callgraph, Records), case reached_fixpoint(FunTypes, NewFunTypes) of - true -> - State1 = st__renew_state_calls(NewCallgraph, State), - {State1, ordsets:new()}; + true -> []; {false, NotFixpoint} -> ?debug("Not fixpoint\n", []), - NewState = insert_into_plt(dict:from_list(NotFixpoint), State), - NewState1 = st__renew_state_calls(NewCallgraph, NewState), - {NewState1, ordsets:from_list([FunLbl || {FunLbl,_Type} <- NotFixpoint])} + Plt = insert_into_plt(dict:from_list(NotFixpoint), Callgraph, Plt), + [FunLbl || {FunLbl,_Type} <- NotFixpoint] end. -st__renew_state_calls(Callgraph, State) -> - State#st{callgraph = Callgraph}. - -refine_one_scc(SCC, State) -> - refine_one_scc(SCC, State, []). - -refine_one_scc(SCC, State, AccFixpoint) -> - {NewState, FixpointFromScc} = refine_mods_in_scc(SCC, State, []), - case FixpointFromScc =:= [] of - true -> {NewState, AccFixpoint}; - false -> - NewAccFixpoint = ordsets:union(AccFixpoint, FixpointFromScc), - refine_one_scc(SCC, NewState, NewAccFixpoint) - end. - -refine_mods_in_scc([Mod|Mods], State, Fixpoint) -> - {NewState, FixpointFromModule} = refine_one_module(Mod, State), - NewFixpoint = ordsets:union(FixpointFromModule, Fixpoint), - refine_mods_in_scc(Mods, NewState, NewFixpoint); -refine_mods_in_scc([], State, Fixpoint) -> - {State, Fixpoint}. - reached_fixpoint(OldTypes, NewTypes) -> reached_fixpoint(OldTypes, NewTypes, false). @@ -305,29 +324,22 @@ compare_types_1([], [], _Strict, NotFixpoint) -> false -> {false, NotFixpoint} end. -find_succ_typings(State) -> - find_succ_typings(State, []). - -find_succ_typings(#st{callgraph = Callgraph, parent = Parent} = State, - NotFixpoint) -> - case dialyzer_callgraph:take_scc(Callgraph) of - {ok, SCC, NewCallgraph} -> - Msg = io_lib:format("Typesig analysis for SCC: ~w\n", [format_scc(SCC)]), - ?debug("~s", [Msg]), - send_log(Parent, Msg), - {NewState, NewNotFixpoint1} = - analyze_scc(SCC, State#st{callgraph = NewCallgraph}), - NewNotFixpoint2 = ordsets:union(NewNotFixpoint1, NotFixpoint), - find_succ_typings(NewState, NewNotFixpoint2); - none -> - ?debug("==================== Typesig done ====================\n\n", []), - case NotFixpoint =:= [] of - true -> {fixpoint, State}; - false -> {not_fixpoint, NotFixpoint, State} - end +find_succ_typings(SCCs, #st{codeserver = Codeserver, callgraph = Callgraph, + plt = Plt, timing_server = Timing, + solvers = Solvers} = State) -> + Init = {Codeserver, Callgraph, Plt, Solvers}, + NotFixpoint = + ?timing(Timing, "typesig", + dialyzer_coordinator:parallel_job(typesig, SCCs, Init, Timing)), + ?debug("==================== Typesig done ====================\n\n", []), + case NotFixpoint =:= [] of + true -> {fixpoint, State}; + false -> {not_fixpoint, NotFixpoint, State} end. -analyze_scc(SCC, #st{codeserver = Codeserver} = State) -> +-spec find_succ_types_for_scc(scc(), typesig_init_data()) -> [mfa_or_funlbl()]. + +find_succ_types_for_scc(SCC, {Codeserver, Callgraph, Plt, Solvers}) -> SCC_Info = [{MFA, dialyzer_codeserver:lookup_mfa_code(MFA, Codeserver), dialyzer_codeserver:lookup_mod_records(M, Codeserver)} @@ -336,30 +348,18 @@ analyze_scc(SCC, #st{codeserver = Codeserver} = State) -> || {_, _, _} = MFA <- SCC], Contracts2 = [{MFA, Contract} || {MFA, {ok, Contract}} <- Contracts1], Contracts3 = orddict:from_list(Contracts2), - {SuccTypes, PltContracts, NotFixpoint} = - find_succ_types_for_scc(SCC_Info, Contracts3, State), - State1 = insert_into_plt(SuccTypes, State), - ContrPlt = dialyzer_plt:insert_contract_list(State1#st.plt, PltContracts), - {State1#st{plt = ContrPlt}, NotFixpoint}. - -find_succ_types_for_scc(SCC_Info, Contracts, - #st{codeserver = Codeserver, - callgraph = Callgraph, plt = Plt} = State) -> - %% Assume that the PLT contains the current propagated types + Label = dialyzer_codeserver:get_next_core_label(Codeserver), AllFuns = collect_fun_info([Fun || {_MFA, {_Var, Fun}, _Rec} <- SCC_Info]), - PropTypes = get_fun_types_from_plt(AllFuns, State), - MFAs = [MFA || {MFA, {_Var, _Fun}, _Rec} <- SCC_Info], - NextLabel = dialyzer_codeserver:get_next_core_label(Codeserver), - Plt1 = dialyzer_plt:delete_contract_list(Plt, MFAs), - FunTypes = dialyzer_typesig:analyze_scc(SCC_Info, NextLabel, - Callgraph, Plt1, PropTypes), + PropTypes = get_fun_types_from_plt(AllFuns, Callgraph, Plt), + %% Assume that the PLT contains the current propagated types + FunTypes = dialyzer_typesig:analyze_scc(SCC_Info, Label, Callgraph, + Plt, PropTypes, Solvers), AllFunSet = sets:from_list([X || {X, _} <- AllFuns]), - FilteredFunTypes = dict:filter(fun(X, _) -> - sets:is_element(X, AllFunSet) - end, FunTypes), + FilteredFunTypes = + dict:filter(fun(X, _) -> sets:is_element(X, AllFunSet) end, FunTypes), %% Check contracts - PltContracts = dialyzer_contracts:check_contracts(Contracts, Callgraph, - FilteredFunTypes), + PltContracts = + dialyzer_contracts:check_contracts(Contracts3, Callgraph, FilteredFunTypes), ContractFixpoint = lists:all(fun({MFA, _C}) -> %% Check the non-deleted PLT @@ -368,23 +368,23 @@ find_succ_types_for_scc(SCC_Info, Contracts, {value, _} -> true end end, PltContracts), + Plt = insert_into_plt(FilteredFunTypes, Callgraph, Plt), + Plt = dialyzer_plt:insert_contract_list(Plt, PltContracts), case (ContractFixpoint andalso reached_fixpoint_strict(PropTypes, FilteredFunTypes)) of - true -> - {FilteredFunTypes, PltContracts, []}; + true -> []; false -> ?debug("Not fixpoint for: ~w\n", [AllFuns]), - {FilteredFunTypes, PltContracts, - ordsets:from_list([Fun || {Fun, _Arity} <- AllFuns])} + [Fun || {Fun, _Arity} <- AllFuns] end. -get_fun_types_from_plt(FunList, State) -> - get_fun_types_from_plt(FunList, State, dict:new()). +get_fun_types_from_plt(FunList, Callgraph, Plt) -> + get_fun_types_from_plt(FunList, Callgraph, Plt, dict:new()). -get_fun_types_from_plt([{FunLabel, Arity}|Left], State, Map) -> - Type = lookup_fun_type(FunLabel, Arity, State), - get_fun_types_from_plt(Left, State, dict:store(FunLabel, Type, Map)); -get_fun_types_from_plt([], _State, Map) -> +get_fun_types_from_plt([{FunLabel, Arity}|Left], Callgraph, Plt, Map) -> + Type = lookup_fun_type(FunLabel, Arity, Callgraph, Plt), + get_fun_types_from_plt(Left, Callgraph, Plt, dict:store(FunLabel, Type, Map)); +get_fun_types_from_plt([], _Callgraph, _Plt, Map) -> Map. collect_fun_info(Trees) -> @@ -402,7 +402,7 @@ collect_fun_info([Tree|Trees], List) -> collect_fun_info([], List) -> List. -lookup_fun_type(Label, Arity, #st{callgraph = Callgraph, plt = Plt}) -> +lookup_fun_type(Label, Arity, Callgraph, Plt) -> ID = lookup_name(Label, Callgraph), case dialyzer_plt:lookup(Plt, ID) of none -> erl_types:t_fun(Arity, erl_types:t_any()); @@ -415,10 +415,10 @@ insert_into_doc_plt(FunTypes, Callgraph, DocPlt) -> SuccTypes = format_succ_types(FunTypes, Callgraph), dialyzer_plt:insert_list(DocPlt, SuccTypes). -insert_into_plt(SuccTypes0, #st{callgraph = Callgraph, plt = Plt} = State) -> +insert_into_plt(SuccTypes0, Callgraph, Plt) -> SuccTypes = format_succ_types(SuccTypes0, Callgraph), debug_pp_succ_typings(SuccTypes), - State#st{plt = dialyzer_plt:insert_list(Plt, SuccTypes)}. + dialyzer_plt:insert_list(Plt, SuccTypes). format_succ_types(SuccTypes, Callgraph) -> format_succ_types(dict:to_list(SuccTypes), Callgraph, []). @@ -453,131 +453,3 @@ lookup_name(F, CG) -> error -> F; {ok, Name} -> Name end. - -send_log(none, _Msg) -> - ok; -send_log(Parent, Msg) -> - Parent ! {self(), log, lists:flatten(Msg)}, - ok. - -format_scc(SCC) -> - [MFA || {_M, _F, _A} = MFA <- SCC]. - -%% ============================================================================ -%% -%% Debug interface. -%% -%% ============================================================================ - --spec doit(atom() | file:filename()) -> 'ok'. - -doit(Module) -> - {ok, AbstrCode} = dialyzer_utils:get_abstract_code_from_src(Module), - {ok, Code} = dialyzer_utils:get_core_from_abstract_code(AbstrCode), - {ok, Records} = dialyzer_utils:get_record_and_type_info(AbstrCode), - %% contract typing info in dictionary format - {ok, Contracts} = - dialyzer_utils:get_spec_info(cerl:concrete(cerl:module_name(Code)), - AbstrCode, Records), - Sigs0 = get_top_level_signatures(Code, Records, Contracts), - M = if is_atom(Module) -> - list_to_atom(filename:basename(atom_to_list(Module))); - is_list(Module) -> - list_to_atom(filename:basename(Module)) - end, - Sigs1 = [{{M, F, A}, Type} || {{F, A}, Type} <- Sigs0], - Sigs = ordsets:from_list(Sigs1), - io:format("==================== Final result ====================\n\n", []), - pp_signatures(Sigs, Records), - ok. - --spec get_top_level_signatures(cerl:c_module(), dict(), dict()) -> - [{{atom(), arity()}, erl_types:erl_type()}]. - -get_top_level_signatures(Code, Records, Contracts) -> - Tree = cerl:from_records(Code), - {LabeledTree, NextLabel} = cerl_trees:label(Tree), - Plt = get_def_plt(), - ModuleName = cerl:atom_val(cerl:module_name(LabeledTree)), - Plt1 = dialyzer_plt:delete_module(Plt, ModuleName), - Plt2 = analyze_module(LabeledTree, NextLabel, Plt1, Records, Contracts), - M = cerl:concrete(cerl:module_name(Tree)), - Functions = [{M, cerl:fname_id(V), cerl:fname_arity(V)} - || {V, _F} <- cerl:module_defs(LabeledTree)], - %% First contracts check - AllContracts = dict:fetch_keys(Contracts), - ErrorContracts = AllContracts -- Functions, - lists:foreach(fun(C) -> - io:format("Contract for non-existing function: ~w\n",[C]) - end, ErrorContracts), - Types = [{MFA, dialyzer_plt:lookup(Plt2, MFA)} || MFA <- Functions], - Sigs = [{{F, A}, erl_types:t_fun(ArgT, RetT)} - || {{_M, F, A}, {value, {RetT, ArgT}}} <- Types], - ordsets:from_list(Sigs). - -get_def_plt() -> - try - dialyzer_plt:from_file(dialyzer_plt:get_default_plt()) - catch - error:no_such_file -> dialyzer_plt:new(); - throw:{dialyzer_error, _} -> dialyzer_plt:new() - end. - -pp_signatures([{{_, module_info, 0}, _}|Left], Records) -> - pp_signatures(Left, Records); -pp_signatures([{{_, module_info, 1}, _}|Left], Records) -> - pp_signatures(Left, Records); -pp_signatures([{{M, F, _A}, Type}|Left], Records) -> - TypeString = - case cerl:is_literal(Type) of -%% Commented out so that dialyzer does not complain -%% false -> -%% "fun(" ++ String = erl_types:t_to_string(Type, Records), -%% string:substr(String, 1, length(String)-1); - true -> - io_lib:format("~w", [cerl:concrete(Type)]) - end, - io:format("~w:~w~s\n", [M, F, TypeString]), - pp_signatures(Left, Records); -pp_signatures([], _Records) -> - ok. - --ifdef(DEBUG_PP). -debug_pp(Tree, _Map) -> - Tree1 = strip_annotations(Tree), - io:put_chars(cerl_prettypr:format(Tree1)), - io:nl(). - -strip_annotations(Tree) -> - cerl_trees:map(fun(T) -> - case cerl:is_literal(T) orelse cerl:is_c_values(T) of - true -> cerl:set_ann(T, []); - false -> - Label = cerl_trees:get_label(T), - cerl:set_ann(T, [{'label', Label}]) - end - end, Tree). --else. -debug_pp(_Tree, _Map) -> - ok. --endif. % DEBUG_PP - -%% -%% Analysis of a single module -%% -analyze_module(LabeledTree, NextLbl, Plt, Records, Contracts) -> - debug_pp(LabeledTree, dict:new()), - CallGraph1 = dialyzer_callgraph:new(), - CallGraph2 = dialyzer_callgraph:scan_core_tree(LabeledTree, CallGraph1), - {CallGraph3, _Ext} = dialyzer_callgraph:remove_external(CallGraph2), - CallGraph4 = dialyzer_callgraph:finalize(CallGraph3), - CodeServer1 = dialyzer_codeserver:new(), - Mod = cerl:concrete(cerl:module_name(LabeledTree)), - CodeServer2 = dialyzer_codeserver:insert(Mod, LabeledTree, CodeServer1), - CodeServer3 = dialyzer_codeserver:set_next_core_label(NextLbl, CodeServer2), - CodeServer4 = dialyzer_codeserver:store_records(Mod, Records, CodeServer3), - CodeServer5 = dialyzer_codeserver:store_contracts(Mod, Contracts, CodeServer4), - Res = analyze_callgraph(CallGraph4, Plt, CodeServer5), - dialyzer_callgraph:delete(CallGraph4), - dialyzer_codeserver:delete(CodeServer5), - Res. diff --git a/lib/dialyzer/src/dialyzer_timing.erl b/lib/dialyzer/src/dialyzer_timing.erl new file mode 100644 index 0000000000..b1a4bdc07c --- /dev/null +++ b/lib/dialyzer/src/dialyzer_timing.erl @@ -0,0 +1,133 @@ +%% -*- erlang-indent-level: 2 -*- +%%------------------------------------------------------------------- +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2006-2012. 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 +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +%%%------------------------------------------------------------------- +%%% File : dialyzer_timing.erl +%%% Authors : Stavros Aronis <[email protected]> +%%% Description : Timing reports for Dialyzer +%%%------------------------------------------------------------------- + +-module(dialyzer_timing). + +-export([init/1, start_stamp/2, send_size_info/3, end_stamp/1, stop/1]). + +-export_type([timing_server/0]). + +-type timing_server() :: pid() | 'none'. + +-spec init(boolean() | 'debug') -> timing_server(). + +init(Active) -> + case Active of + true -> + io:format("\n"), + spawn_link(fun() -> loop(now(), 0, "") end); + debug -> + io:format("\n"), + spawn_link(fun() -> debug_loop("") end); + false -> none + end. + +loop(LastNow, Size, Unit) -> + receive + {stamp, Msg, Now} -> + io:format(" ~-10s (+~4.2fs):", [Msg, diff(Now, LastNow)]), + loop(Now, 0, ""); + {stamp, Now} -> + SizeStr = + case Size of + 0 -> ""; + _ -> + Data = io_lib:format("~p ~s",[Size, Unit]), + io_lib:format(" (~12s)",[Data]) + end, + io:format("~7.2fs~s\n", [diff(Now, LastNow), SizeStr]), + loop(Now, 0, ""); + {size, NewSize, NewUnit} -> + loop(LastNow, NewSize, NewUnit); + {Pid, stop, Now} -> + io:format(" ~-9s (+~5.2fs)\n", ["",diff(Now, LastNow)]), + Pid ! ok; + {Pid, stop} -> + Pid ! ok + end. + +debug_loop(Phase) -> + receive + Message -> + {Runtime,_} = statistics(wall_clock), + Procs = erlang:system_info(process_count), + ProcMem = erlang:memory(total), + Status = io_lib:format("~12w ~6w ~20w", [Runtime, Procs, ProcMem]), + case Message of + {stamp, Msg, _Now} -> + io:format("~s ~s_start\n", [Status, Msg]), + debug_loop(Msg); + {stamp, _Now} -> + io:format("~s ~s_stop\n", [Status, Phase]), + debug_loop(""); + {Pid, stop, _Now} -> + Pid ! ok; + {Pid, stop} -> + Pid ! ok; + _ -> + debug_loop(Phase) + end + after + 50 -> + {Runtime,_} = statistics(wall_clock), + Procs = erlang:system_info(process_count), + ProcMem = erlang:memory(total), + Status = io_lib:format("~12w ~6w ~20w", [Runtime, Procs, ProcMem]), + io:format("~s\n", [Status]), + debug_loop(Phase) + end. + + +-spec start_stamp(timing_server(), string()) -> ok. + +start_stamp(none, _) -> ok; +start_stamp(Pid, Msg) -> + Pid ! {stamp, Msg, now()}, + ok. + +-spec end_stamp(timing_server()) -> ok. + +end_stamp(none) -> ok; +end_stamp(Pid) -> + Pid ! {stamp, now()}, + ok. + +-spec send_size_info(timing_server(), integer(), string()) -> ok. + +send_size_info(none, _, _) -> ok; +send_size_info(Pid, Size, Unit) -> + Pid ! {size, Size, Unit}, + ok. + +-spec stop(timing_server()) -> ok. + +stop(none) -> ok; +stop(Pid) -> + Pid ! {self(), stop, now()}, + receive ok -> ok end. + +diff(T2, T1) -> + timer:now_diff(T2,T1) / 1000000. diff --git a/lib/dialyzer/src/dialyzer_typesig.erl b/lib/dialyzer/src/dialyzer_typesig.erl index 30aec59d22..0df003a035 100644 --- a/lib/dialyzer/src/dialyzer_typesig.erl +++ b/lib/dialyzer/src/dialyzer_typesig.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2011. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -28,7 +28,7 @@ -module(dialyzer_typesig). --export([analyze_scc/5]). +-export([analyze_scc/6]). -export([get_safe_underapprox/2]). -import(erl_types, @@ -78,6 +78,8 @@ -record(constraint_list, {type :: 'conj' | 'disj', list :: [constr()], deps :: [dep()], + masks :: [{dep(),[non_neg_integer()]}] | + {'d',dict()}, id :: {'list', dep()}}). -type constraint_list() :: #constraint_list{}. @@ -91,22 +93,27 @@ -type typesig_scc() :: [{mfa(), {cerl:c_var(), cerl:c_fun()}, dict()}]. -type typesig_funmap() :: [{type_var(), type_var()}]. %% Orddict --record(state, {callgraph :: dialyzer_callgraph:callgraph(), - cs = [] :: [constr()], - cmap = dict:new() :: dict(), - fun_map = [] :: typesig_funmap(), - fun_arities = dict:new() :: dict(), - in_match = false :: boolean(), - in_guard = false :: boolean(), - module :: module(), - name_map = dict:new() :: dict(), - next_label :: label(), - non_self_recs = [] :: [label()], - plt :: dialyzer_plt:plt(), - prop_types = dict:new() :: dict(), - records = dict:new() :: dict(), - opaques = [] :: [erl_types:erl_type()], - scc = [] :: [type_var()]}). +-type dict_or_ets() :: {'d', dict()} | {'e', ets:tid()}. + +-record(state, {callgraph :: dialyzer_callgraph:callgraph(), + cs = [] :: [constr()], + cmap = {'d', dict:new()} :: dict_or_ets(), + fun_map = [] :: typesig_funmap(), + fun_arities = dict:new() :: dict(), + in_match = false :: boolean(), + in_guard = false :: boolean(), + module :: module(), + name_map = dict:new() :: dict(), + next_label = 0 :: label(), + self_rec :: erl_types:erl_type(), + plt :: dialyzer_plt:plt(), + prop_types = {'d', dict:new()} :: dict_or_ets(), + records = dict:new() :: dict(), + opaques = [] :: [erl_types:erl_type()], + scc = [] :: [type_var()], + mfas :: [tuple()], + solvers = [] :: [solver()] + }). %%----------------------------------------------------------------------------- @@ -117,8 +124,10 @@ %%-define(DEBUG_CONSTRAINTS, true). -ifdef(DEBUG). -define(DEBUG_NAME_MAP, true). +-define(DEBUG_LOOP_DETECTION, true). -endif. %%-define(DEBUG_NAME_MAP, true). +%%-define(DEBUG_LOOP_DETECTION, true). -ifdef(DEBUG). -define(debug(__String, __Args), io:format(__String, __Args)). @@ -137,7 +146,7 @@ %%----------------------------------------------------------------------------- %% Analysis of strongly connected components. %% -%% analyze_scc(SCC, NextLabel, CallGraph, PLT, PropTypes) -> FunTypes +%% analyze_scc(SCC, NextLabel, CallGraph, PLT, PropTypes, Solvers) -> FunTypes %% %% SCC - [{MFA, Def, Records}] %% where Def = {Var, Fun} as in the Core Erlang module definitions. @@ -150,15 +159,17 @@ %% about functions that can be called by this SCC. %% PropTypes - A dictionary. %% FunTypes - A dictionary. +%% Solvers - User specified solvers. %%----------------------------------------------------------------------------- -spec analyze_scc(typesig_scc(), label(), dialyzer_callgraph:callgraph(), - dialyzer_plt:plt(), dict()) -> dict(). + dialyzer_plt:plt(), dict(), [solver()]) -> dict(). -analyze_scc(SCC, NextLabel, CallGraph, Plt, PropTypes) -> +analyze_scc(SCC, NextLabel, CallGraph, Plt, PropTypes, Solvers0) -> + Solvers = solvers(Solvers0), assert_format_of_scc(SCC), - State1 = new_state(SCC, NextLabel, CallGraph, Plt, PropTypes), + State1 = new_state(SCC, NextLabel, CallGraph, Plt, PropTypes, Solvers), DefSet = add_def_list([Var || {_MFA, {Var, _Fun}, _Rec} <- SCC], sets:new()), State2 = traverse_scc(SCC, DefSet, State1), State3 = state__finalize(State2), @@ -172,6 +183,9 @@ assert_format_of_scc([{_MFA, {_Var, _Fun}, _Records}|Left]) -> assert_format_of_scc([]) -> ok. +solvers([]) -> [v2]; +solvers(Solvers) -> Solvers. + %% ============================================================================ %% %% Gets the constraints by traversing the code. @@ -448,7 +462,8 @@ traverse(Tree, DefinedVars, State) -> %% Check if a record is constructed. _ -> Arity = length(Fields), - case state__lookup_record(State2, cerl:atom_val(Tag), Arity) of + Records = State2#state.records, + case lookup_record(Records, cerl:atom_val(Tag), Arity) of error -> {State2, TupleType}; {ok, RecType} -> State3 = state__store_conj(TupleType, sub, RecType, State2), @@ -646,8 +661,14 @@ get_plt_constr(MFA, Dst, ArgVars, State) -> PltRes = dialyzer_plt:lookup(Plt, MFA), Opaques = State#state.opaques, Module = State#state.module, + SCCMFAs = State#state.mfas, {FunModule, _, _} = MFA, - case dialyzer_plt:lookup_contract(Plt, MFA) of + Contract = + case lists:member(MFA, SCCMFAs) of + true -> none; + false -> dialyzer_plt:lookup_contract(Plt, MFA) + end, + case Contract of none -> case PltRes of none -> State; @@ -1246,6 +1267,8 @@ get_bif_constr({erlang, is_record, 2}, Dst, [Var, Tag] = Args, _State) -> mk_constraint(Var, sub, ArgV)]); get_bif_constr({erlang, is_record, 3}, Dst, [Var, Tag, Arity] = Args, State) -> %% TODO: Revise this to make it precise for Tag and Arity. + Records = State#state.records, + AllOpaques = State#state.opaques, ArgFun = fun(Map) -> case t_is_atom(true, lookup_type(Dst, Map)) of @@ -1262,10 +1285,8 @@ get_bif_constr({erlang, is_record, 3}, Dst, [Var, Tag, Arity] = Args, State) -> GenRecord = t_tuple([TagType|AnyElems]), case t_atom_vals(TagType) of [TagVal] -> - case state__lookup_record(State, TagVal, - ArityVal - 1) of + case lookup_record(Records, TagVal, ArityVal - 1) of {ok, Type} -> - AllOpaques = State#state.opaques, case t_opaque_match_record(Type, AllOpaques) of [Opaque] -> Opaque; _ -> Type @@ -1287,7 +1308,7 @@ get_bif_constr({erlang, is_record, 3}, Dst, [Var, Tag, Arity] = Args, State) -> DstFun = fun(Map) -> [TmpVar, TmpTag, TmpArity] = TmpArgTypes = lookup_type_list(Args, Map), TmpArgTypes2 = - case lists:member(TmpVar, State#state.opaques) of + case lists:member(TmpVar, AllOpaques) of true -> case t_is_integer(TmpArity) of true -> @@ -1297,7 +1318,8 @@ get_bif_constr({erlang, is_record, 3}, Dst, [Var, Tag, Arity] = Args, State) -> true -> case t_atom_vals(TmpTag) of [TmpTagVal] -> - case state__lookup_record(State, TmpTagVal, TmpArityVal - 1) of + case lookup_record(Records, TmpTagVal, + TmpArityVal - 1) of {ok, TmpType} -> case t_is_none(t_inf(TmpType, TmpVar, opaque)) of true -> TmpArgTypes; @@ -1526,9 +1548,10 @@ get_bif_constr({erlang, element, 2} = _BIF, Dst, Args, case t_is_none(GenType) of true -> ?debug("Bif: ~w failed\n", [_BIF]), throw(error); false -> + Opaques = State#state.opaques, Fun = fun(Map) -> [I, T] = ATs = lookup_type_list(Args, Map), - ATs2 = case lists:member(T, State#state.opaques) of + ATs2 = case lists:member(T, Opaques) of true -> [I, erl_types:t_opaque_structure(T)]; false -> ATs end, @@ -1546,7 +1569,7 @@ get_bif_constr({erlang, element, 2} = _BIF, Dst, Args, end; get_bif_constr({M, F, A} = _BIF, Dst, Args, State) -> GenType = erl_bif_types:type(M, F, A), - Opaques = State#state.opaques, + Opaques = State#state.opaques, case t_is_none(GenType) of true -> ?debug("Bif: ~w failed\n", [_BIF]), throw(error); false -> @@ -1612,11 +1635,12 @@ get_bif_test_constr(Dst, Arg, Type, State) -> end end, ArgV = ?mk_fun_var(ArgFun, [Dst]), + Opaques = State#state.opaques, DstFun = fun(Map) -> ArgType = lookup_type(Arg, Map), case t_is_none(t_inf(ArgType, Type)) of true -> - case lists:member(ArgType, State#state.opaques) of + case lists:member(ArgType, Opaques) of true -> OpaqueStruct = erl_types:t_opaque_structure(ArgType), case t_is_none(t_inf(OpaqueStruct, Type)) of @@ -1649,18 +1673,23 @@ get_bif_test_constr(Dst, Arg, Type, State) -> solve([Fun], State) -> ?debug("============ Analyzing Fun: ~w ===========\n", [debug_lookup_name(Fun)]), - solve_fun(Fun, dict:new(), State); + solve_fun(Fun, map_new(), State); solve([_|_] = SCC, State) -> ?debug("============ Analyzing SCC: ~w ===========\n", [[debug_lookup_name(F) || F <- SCC]]), - solve_scc(SCC, dict:new(), State, false). + {Parallel, NewState} = + case parallel_split(SCC) of + false -> {false, State}; + SplitSCC -> {SplitSCC, minimize_state(State)} + end, + solve_scc(SCC, Parallel, map_new(), NewState, false). solve_fun(Fun, FunMap, State) -> Cs = state__get_cs(Fun, State), Deps = get_deps(Cs), Ref = mk_constraint_ref(Fun, Deps), %% Note that functions are always considered to succeed. - {ok, _MapDict, NewMap} = solve_ref_or_list(Ref, FunMap, dict:new(), State), + NewMap = solve(Fun, Ref, FunMap, State), NewType = lookup_type(Fun, NewMap), NewFunMap1 = case state__get_rec_var(Fun, State) of error -> FunMap; @@ -1668,21 +1697,23 @@ solve_fun(Fun, FunMap, State) -> end, enter_type(Fun, NewType, NewFunMap1). -solve_scc(SCC, Map, State, TryingUnit) -> - State1 = state__mark_as_non_self_rec(SCC, State), +solve_scc(SCC, Parallel, Map, State, TryingUnit) -> Vars0 = [{Fun, state__get_rec_var(Fun, State)} || Fun <- SCC], Vars = [Var || {_, {ok, Var}} <- Vars0], Funs = [Fun || {Fun, {ok, _}} <- Vars0], Types = unsafe_lookup_type_list(Funs, Map), RecTypes = [t_limit(Type, ?TYPE_LIMIT) || Type <- Types], CleanMap = lists:foldl(fun(Fun, AccFunMap) -> - dict:erase(t_var_name(Fun), AccFunMap) + erase_type(t_var_name(Fun), AccFunMap) end, Map, SCC), Map1 = enter_type_lists(Vars, RecTypes, CleanMap), ?debug("Checking SCC: ~w\n", [[debug_lookup_name(F) || F <- SCC]]), - SolveFun = fun(X, Y) -> scc_fold_fun(X, Y, State1) end, - Map2 = lists:foldl(SolveFun, Map1, SCC), FunSet = ordsets:from_list([t_var_name(F) || F <- SCC]), + Map2 = + case Parallel of + false -> solve_whole_scc(SCC, Map1, State); + SplitSCC -> solve_whole_scc_parallel(SplitSCC, Map1, State) + end, case maps_are_equal(Map2, Map, FunSet) of true -> ?debug("SCC ~w reached fixpoint\n", [SCC]), @@ -1696,20 +1727,134 @@ solve_scc(SCC, Map, State, TryingUnit) -> true -> t_fun(t_fun_args(T), t_unit()) end || T <- NewTypes], Map3 = enter_type_lists(Funs, UnitTypes, Map2), - solve_scc(SCC, Map3, State, true); + solve_scc(SCC, Parallel, Map3, State, true); false -> + case Parallel of + false -> true; + _ -> dispose_state(State) + end, Map2 end; false -> ?debug("SCC ~w did not reach fixpoint\n", [SCC]), - solve_scc(SCC, Map2, State, TryingUnit) + solve_scc(SCC, Parallel, Map2, State, TryingUnit) + end. + +solve_whole_scc(SCC, Map, State) -> + SolveFun = fun(X, Y) -> scc_fold_fun(X, Y, State) end, + lists:foldl(SolveFun, Map, SCC). + +%%------------------------------------------------------------------------------ + +-define(worth_it, 42). + +parallel_split(SCC) -> + Length = length(SCC), + case Length > 2*?worth_it of + false -> false; + true -> + case min(dialyzer_utils:parallelism(), 8) of + 1 -> false; + CPUs -> + FullShare = Length div CPUs + 1, + Unit = max(FullShare, ?worth_it), + split(SCC, Unit, []) + end + end. + +minimize_state(#state{ + cmap = {d, CMap}, + fun_map = FunMap, + fun_arities = FunArities, + self_rec = SelfRec, + prop_types = {d, PropTypes}, + opaques = Opaques, + solvers = Solvers + }) -> + ETSCMap = ets:new(cmap,[{read_concurrency, true}]), + ETSPropTypes = ets:new(prop_types,[{read_concurrency, true}]), + true = ets:insert(ETSCMap, dict:to_list(CMap)), + true = ets:insert(ETSPropTypes, dict:to_list(PropTypes)), + #state + {cmap = {e, ETSCMap}, + fun_map = FunMap, + fun_arities = FunArities, + self_rec = SelfRec, + prop_types = {e, ETSPropTypes}, + opaques = Opaques, + solvers = Solvers + }. + +dispose_state(#state{cmap = {e, ETSCMap}, + prop_types = {e, ETSPropTypes}}) -> + true = ets:delete(ETSCMap), + true = ets:delete(ETSPropTypes). + +solve_whole_scc_parallel(SplitSCC, Map, State) -> + Workers = spawn_workers(SplitSCC, Map, State), + wait_results(Workers, Map, fold_res_fun(State)). + +spawn_workers(SplitSCC, Map, State) -> + Spawner = solve_scc_spawner(self(), Map, State), + lists:foreach(Spawner, SplitSCC), + length(SplitSCC). + +wait_results(0, Map, _FoldResFun) -> + Map; +wait_results(Pending, Map, FoldResFun) -> + Res = receive_scc_result(), + NewMap = lists:foldl(FoldResFun, Map, Res), + wait_results(Pending-1, NewMap, FoldResFun). + +solve_scc_spawner(Parent, Map, State) -> + fun(SCCPart) -> + spawn_link(fun() -> solve_scc_worker(Parent, SCCPart, Map, State) end) + end. + +split([], _Unit, Acc) -> + Acc; +split(List, Unit, Acc) -> + {Taken, Rest} = + try + lists:split(Unit, List) + catch + _:_ -> {List, []} + end, + split(Rest, Unit, [Taken|Acc]). + +solve_scc_worker(Parent, SCCPart, Map, State) -> + SolveFun = fun(X, Y) -> scc_fold_fun(X, Y, State) end, + FinalMap = lists:foldl(SolveFun, Map, SCCPart), + Res = + [{F, t_limit(unsafe_lookup_type(F, FinalMap), ?TYPE_LIMIT)} || + F <- SCCPart], + send_scc_result(Parent, Res). + +fold_res_fun(State) -> + fun({F, Type}, Map) -> + case state__get_rec_var(F, State) of + {ok, R} -> + enter_type(R, Type, enter_type(F, Type, Map)); + error -> + enter_type(F, Type, Map) + end end. +receive_scc_result() -> + receive + {scc_fun, Res} -> Res + end. + +send_scc_result(Parent, Res) -> + Parent ! {scc_fun, Res}. + +%%------------------------------------------------------------------------------ + scc_fold_fun(F, FunMap, State) -> Deps = get_deps(state__get_cs(F, State)), Cs = mk_constraint_ref(F, Deps), %% Note that functions are always considered to succeed. - {ok, _NewMapDict, Map} = solve_ref_or_list(Cs, FunMap, dict:new(), State), + Map = solve(F, Cs, FunMap, State), NewType0 = unsafe_lookup_type(F, Map), NewType = t_limit(NewType0, ?TYPE_LIMIT), NewFunMap = case state__get_rec_var(F, State) of @@ -1722,15 +1867,440 @@ scc_fold_fun(F, FunMap, State) -> format_type(NewType)]), NewFunMap. +solve(Fun, Cs, FunMap, State) -> + Solvers = State#state.solvers, + R = [solver(S, solve_fun(S, Fun, Cs, FunMap, State)) || S <- Solvers], + check_solutions(R, Fun, no_solver, no_map). + +solver(Solver, SolveFun) -> + ?debug("Start solver ~w\n", [Solver]), + try timer:tc(SolveFun) of + {Time, {ok, Map}} -> + ?debug("End solver ~w (~w microsecs)\n", [Solver, Time]), + {Solver, Map, Time}; + {_, _R} -> + ?debug("Solver ~w returned unexpected result:\n ~P\n", + [Solver, _R, 60]), + throw(error) + catch E:R -> + io:format("Solver ~w failed: ~w:~p\n ~p\n", + [Solver, E, R, erlang:get_stacktrace()]), + throw(error) + end. + +solve_fun(v1, _Fun, Cs, FunMap, State) -> + fun() -> + {ok, _MapDict, NewMap} = solve_ref_or_list(Cs, FunMap, dict:new(), State), + {ok, NewMap} + end; +solve_fun(v2, Fun, _Cs, FunMap, State) -> + fun() -> v2_solve_ref(Fun, FunMap, State) end. + +check_solutions([], _Fun, _S, Map) -> + Map; +check_solutions([{S1,Map1,_Time1}|Maps], Fun, S, Map) -> + ?debug("Solver ~w needed ~w microsecs\n", [S1, _Time1]), + case Map =:= no_map orelse sane_maps(Map, Map1, [Fun], S, S1) of + true -> + check_solutions(Maps, Fun, S1, Map1); + false -> + ?debug("Constraint solvers do not agree on ~w\n", [Fun]), + pp_map(atom_to_list(S), Map), + pp_map(atom_to_list(S1), Map1), + io:format("A bug was found. Please report it, and use the option " + "`--solver v1' until the bug has been fixed.\n"), + throw(error) + end. + +sane_maps(Map1, Map2, Keys, _S1, _S2) -> + lists:all(fun(Key) -> + V1 = unsafe_lookup_type(Key, Map1), + V2 = unsafe_lookup_type(Key, Map2), + case t_is_equal(V1, V2) of + true -> true; + false -> + ?debug("Constraint solvers do not agree on ~w\n", [Key]), + ?debug("~w: ~s\n", + [_S1, format_type(unsafe_lookup_type(Key, Map1))]), + ?debug("~w: ~s\n", + [_S2, format_type(unsafe_lookup_type(Key, Map2))]), + false + end + end, Keys). + +%% Solver v2 + +-record(v2_state, {constr_data = dict:new() :: dict(), + state :: #state{}}). + +v2_solve_ref(Fun, Map, State) -> + V2State = #v2_state{state = State}, + {ok, NewMap, _, _} = v2_solve_reference(Fun, Map, V2State), + {ok, NewMap}. + +v2_solve(#constraint{}=C, Map, V2State) -> + State = V2State#v2_state.state, + case solve_one_c(C, Map, State#state.opaques) of + error -> + report_failed_constraint(C, Map), + {error, V2State}; + {ok, {NewMap, U}} -> + {ok, NewMap, V2State, U} + end; +v2_solve(#constraint_list{type = disj}=C, Map, V2State) -> + v2_solve_disjunct(C, Map, V2State); +v2_solve(#constraint_list{type = conj}=C, Map, V2State) -> + v2_solve_conjunct(C, Map, V2State); +v2_solve(#constraint_ref{id = Id}, Map, V2State) -> + v2_solve_reference(Id, Map, V2State). + +v2_solve_reference(Id, Map, V2State0) -> + ?debug("Checking ref to fun: ~w\n", [debug_lookup_name(Id)]), + pp_map("Map", Map), + pp_constr_data("solve_ref", V2State0), + Map1 = restore_local_map(V2State0, Id, Map), + State = V2State0#v2_state.state, + Cs = state__get_cs(Id, State), + Res = + case state__is_self_rec(Id, State) of + true -> v2_solve_self_recursive(Cs, Map1, Id, t_none(), V2State0); + false -> v2_solve(Cs, Map1, V2State0) + end, + {FunType, V2State} = + case Res of + {error, V2State1} -> + ?debug("Error solving for function ~p\n", [debug_lookup_name(Id)]), + Arity = state__fun_arity(Id, State), + FunType0 = + case state__prop_domain(t_var_name(Id), State) of + error -> t_fun(Arity, t_none()); + {ok, Dom} -> t_fun(Dom, t_none()) + end, + {FunType0, V2State1}; + {ok, NewMap, V2State1, U} -> + ?debug("Done solving fun: ~p\n", [debug_lookup_name(Id)]), + FunType0 = lookup_type(Id, NewMap), + V2State2 = save_local_map(V2State1, Id, U, NewMap), + {FunType0, V2State2} + end, + ?debug("ref Id=~w Assigned ~s\n", [Id, format_type(FunType)]), + {NewMap1, U1} = enter_var_type(Id, FunType, Map), + {NewMap2, U2} = + case state__get_rec_var(Id, State) of + {ok, Var} -> enter_var_type(Var, FunType, NewMap1); + error -> {NewMap1, []} + end, + {ok, NewMap2, V2State, lists:umerge(U1, U2)}. + +v2_solve_self_recursive(Cs, Map, Id, RecType0, V2State0) -> + ?debug("Solving self recursive ~w\n", [debug_lookup_name(Id)]), + State = V2State0#v2_state.state, + {ok, RecVar} = state__get_rec_var(Id, State), + ?debug("OldRecType ~s\n", [format_type(RecType0)]), + RecType = t_limit(RecType0, ?TYPE_LIMIT), + {Map1, U0} = enter_var_type(RecVar, RecType, Map), + V2State1 = save_updated_vars1(V2State0, Cs, U0), % Probably not necessary + case v2_solve(Cs, Map1, V2State1) of + {error, _V2State}=Error -> + case t_is_none(RecType0) of + true -> + %% Try again and assume that this is a non-terminating function. + Arity = state__fun_arity(Id, State), + NewRecType = t_fun(lists:duplicate(Arity, t_any()), t_unit()), + v2_solve_self_recursive(Cs, Map, Id, NewRecType, V2State0); + false -> + Error + end; + {ok, NewMap, V2State, U} -> + pp_map("recursive finished", NewMap), + NewRecType = unsafe_lookup_type(Id, NewMap), + case t_is_equal(NewRecType, RecType0) of + true -> + {NewMap2, U1} = enter_var_type(RecVar, NewRecType, NewMap), + {ok, NewMap2, V2State, lists:umerge(U, U1)}; + false -> + v2_solve_self_recursive(Cs, Map, Id, NewRecType, V2State0) + end + end. + +enter_var_type(Var, Type, Map0) -> + {Map, Vs} = enter_type2(Var, Type, Map0), + {Map, [t_var_name(V) || V <- Vs]}. + +v2_solve_disjunct(Disj, Map, V2State0) -> + #constraint_list{type = disj, id = _Id, list = Cs, masks = Masks} = Disj, + ?debug("disjunct Id=~w~n", [_Id]), + pp_map("Map", Map), + pp_constr_data("disjunct", V2State0), + case get_flags(V2State0, Disj) of + {V2State1, failed_list} -> {error, V2State1}; % cannot happen + {V2State1, Flags} when Flags =/= [] -> + {ok, V2State, Eval, UL, MapL0, Uneval, Failed} = + v2_solve_disj(Flags, Cs, 1, Map, V2State1, [], [], [], [], false), + ?debug("disj ending _Id=~w Eval=~w, |Uneval|=~w |UL|=~w~n", + [_Id, Eval, length(Uneval), length(UL)]), + if Eval =:= [], Uneval =:= [] -> + {error, failed_list(Disj, V2State0)}; + true -> + {Is0, UnIds} = lists:unzip(Uneval), + MapL = [restore_local_map(V2State, Id, Map) || + Id <- UnIds] ++ MapL0, + %% If some branch has just failed every variable of the + %% non-failed branches need to be checked, not just the + %% updated ones. + U0 = case Failed of + false -> lists:umerge(UL); + true -> constrained_keys(MapL) + end, + if U0 =:= [] -> {ok, Map, V2State, []}; + true -> + NotFailed = lists:umerge(Is0, Eval), + U1 = [V || V <- U0, + var_occurs_everywhere(V, Masks, NotFailed)], + NewMap = join_maps(U1, MapL, Map), + pp_map("NewMap", NewMap), + U = updated_vars_only(U1, Map, NewMap), + ?debug("disjunct finished _Id=~w\n", [_Id]), + {ok, NewMap, V2State, U} + end + end + end. + +var_occurs_everywhere(V, Masks, NotFailed) -> + ordsets:is_subset(NotFailed, get_mask(V, Masks)). + +v2_solve_disj([I|Is], [C|Cs], I, Map0, V2State0, UL, MapL, Eval, Uneval, + Failed0) -> + Id = C#constraint_list.id, + Map1 = restore_local_map(V2State0, Id, Map0), + case v2_solve(C, Map1, V2State0) of + {error, V2State} -> + ?debug("disj error I=~w~n", [I]), + Failed = Failed0 orelse not is_failed_list(C, V2State0), + v2_solve_disj(Is, Cs, I+1, Map0, V2State, UL, MapL, Eval, Uneval, Failed); + {ok, Map, V2State1, U} -> + ?debug("disj I=~w U=~w~n", [I, U]), + V2State = save_local_map(V2State1, Id, U, Map), + pp_map("DMap", Map), + v2_solve_disj(Is, Cs, I+1, Map0, V2State, [U|UL], [Map|MapL], + [I|Eval], Uneval, Failed0) + end; +v2_solve_disj([], [], _I, _Map, V2State, UL, MapL, Eval, Uneval, Failed) -> + {ok, V2State, lists:reverse(Eval), UL, MapL, lists:reverse(Uneval), Failed}; +v2_solve_disj(Is, [C|Cs], I, Map, V2State, UL, MapL, Eval, Uneval0, Failed) -> + Uneval = [{I,C#constraint_list.id} || + not is_failed_list(C, V2State)] ++ Uneval0, + v2_solve_disj(Is, Cs, I+1, Map, V2State, UL, MapL, Eval, Uneval, Failed). + +save_local_map(#v2_state{constr_data = ConData}=V2State, Id, U, Map) -> + Part0 = [{V,dict:fetch(V, Map)} || V <- U], + Part1 = + case dict:find(Id, ConData) of + error -> []; % cannot happen + {ok, {Part2,[]}} -> Part2 + end, + ?debug("save local map Id=~w:\n", [Id]), + Part = lists:ukeymerge(1, lists:keysort(1, Part0), Part1), + pp_map("New Part", dict:from_list(Part0)), + pp_map("Old Part", dict:from_list(Part1)), + pp_map(" => Part", dict:from_list(Part)), + V2State#v2_state{constr_data = dict:store(Id, {Part,[]}, ConData)}. + +restore_local_map(#v2_state{constr_data = ConData}, Id, Map0) -> + case dict:find(Id, ConData) of + error -> Map0; + {ok, failed} -> Map0; + {ok, {[],_}} -> Map0; + {ok, {Part0,U}} -> + Part = [{K,V} || {K,V} <- Part0, not lists:member(K, U)], + ?debug("restore local map Id=~w U=~w\n", [Id, U]), + pp_map("Part", dict:from_list(Part)), + pp_map("Map0", Map0), + Map = lists:foldl(fun({K,V}, D) -> dict:store(K, V, D)end, Map0, Part), + pp_map("Map", Map), + Map + end. + +v2_solve_conjunct(Conj, Map, V2State0) -> + #constraint_list{type = conj, list = Cs} = Conj, + ?debug("conjunct Id=~w~n", [Conj#constraint_list.id]), + IsFlat = case Cs of [#constraint{}|_] -> true; _ -> false end, + case get_flags(V2State0, Conj) of + {V2State, failed_list} -> {error, V2State}; + {V2State, Flags} -> + v2_solve_conj(Flags, Cs, 1, Map, Conj, IsFlat, V2State, [], [], [], + Map, Flags) + end. + +%% LastMap and LastFlags are used for loop detection. +v2_solve_conj([I|Is], [Cs|Tail], I, Map0, Conj, IsFlat, V2State0, + UL, NewFs0, VarsUp, LastMap, LastFlags) -> + ?debug("conj Id=~w I=~w~n", [Conj#constraint_list.id, I]), + true = IsFlat =:= is_record(Cs, constraint), + pp_constr_data("conj", V2State0), + case v2_solve(Cs, Map0, V2State0) of + {error, V2State1} -> {error, failed_list(Conj, V2State1)}; + {ok, Map, V2State1, []} -> + v2_solve_conj(Is, Tail, I+1, Map, Conj, IsFlat, V2State1, + UL, NewFs0, VarsUp, LastMap, LastFlags); + {ok, Map, V2State1, U} when IsFlat -> % optimization + %% It is ensured by enumerate_constraints() that every + %% #constraint{} has a conjunct as parent, and that such a + %% parent has nothing but #constraint{}:s as children, a fact + %% which is used here to simplify the flag calculation. + Mask = lists:umerge([get_mask(V, Conj#constraint_list.masks) || V <- U]), + {Is1, NewF} = add_mask_to_flags(Is, Mask, I, []), + NewFs = [NewF|NewFs0], + v2_solve_conj(Is1, Tail, I+1, Map, Conj, IsFlat, V2State1, + [U|UL], NewFs, VarsUp, LastMap, LastFlags); + {ok, Map, V2State1, U} -> + #constraint_list{masks = Masks, list = AllCs} = Conj, + M = lists:keydelete(I, 1, vars_per_child(U, Masks)), + {V2State2, NewF0} = save_updated_vars_list(AllCs, M, V2State1), + {NewF, F} = lists:splitwith(fun(J) -> J < I end, NewF0), + Is1 = lists:umerge(Is, F), + NewFs = [NewF|NewFs0], + v2_solve_conj(Is1, Tail, I+1, Map, Conj, IsFlat, V2State2, + [U|UL], NewFs, VarsUp, LastMap, LastFlags) + end; +v2_solve_conj([], _Cs, _I, Map, Conj, IsFlat, V2State, UL, NewFs, VarsUp, + LastMap, LastFlags) -> + U = lists:umerge(UL), + case lists:umerge(NewFs) of + [] -> + ?debug("conjunct finished Id=~w\n", [Conj#constraint_list.id]), + {ok, Map, V2State, lists:umerge([U|VarsUp])}; + NewFlags when NewFlags =:= LastFlags, Map =:= LastMap -> + %% A loop was detected! The cause is some bug, possibly in erl_types. + %% The evaluation continues, but the results can be wrong. + report_detected_loop(Conj), + {ok, Map, V2State, lists:umerge([U|VarsUp])}; + NewFlags -> + #constraint_list{type = conj, list = Cs} = Conj, + v2_solve_conj(NewFlags, Cs, 1, Map, Conj, IsFlat, V2State, + [], [], [U|VarsUp], Map, NewFlags) + end; +v2_solve_conj(Is, [_|Tail], I, Map, Conj, IsFlat, V2State, UL, NewFs, VarsUp, + LastMap, LastFlags) -> + v2_solve_conj(Is, Tail, I+1, Map, Conj, IsFlat, V2State, UL, NewFs, VarsUp, + LastMap, LastFlags). + +-ifdef(DEBUG_LOOP_DETECTION). +report_detected_loop(Conj) -> + io:format("A loop was detected in ~w\n", [Conj#constraint_list.id]). +-else. +report_detected_loop(_) -> + ok. +-endif. + +add_mask_to_flags(Flags, [Im|M], I, L) when I > Im -> + add_mask_to_flags(Flags, M, I, [Im|L]); +add_mask_to_flags(Flags, [_|M], _I, L) -> + {lists:umerge(Flags, M), lists:reverse(L)}. + +get_mask(V, {d, Masks}) -> + case dict:find(V, Masks) of + error -> []; + {ok, M} -> M + end; +get_mask(V, Masks) -> + case lists:keyfind(V, 1, Masks) of + false -> []; + {V, M} -> M + end. + +get_flags(#v2_state{constr_data = ConData}=V2State0, C) -> + #constraint_list{id = Id, list = Cs, masks = Masks} = C, + case dict:find(Id, ConData) of + error -> + ?debug("get_flags Id=~w Flags=all ~w\n", [Id, length(Cs)]), + V2State = V2State0#v2_state{constr_data = dict:store(Id, {[],[]}, ConData)}, + {V2State, lists:seq(1, length(Cs))}; + {ok, failed} -> + {V2State0, failed_list}; + {ok, {Part,U}} when U =/= [] -> + ?debug("get_flags Id=~w U=~w\n", [Id, U]), + V2State = V2State0#v2_state{constr_data = dict:store(Id, {Part,[]}, ConData)}, + save_updated_vars_list(Cs, vars_per_child(U, Masks), V2State) + end. + +vars_per_child(U, Masks) -> + family([{I, V} || V <- lists:usort(U), I <- get_mask(V, Masks)]). + +save_updated_vars_list(Cs, IU, V2State) -> + save_updated_vars_list1(Cs, IU, V2State, 1, []). + +save_updated_vars_list1([C|Cs], [{I,U}|IU], V2State0, I, Is) -> + V2State = save_updated_vars(C, U, V2State0), + save_updated_vars_list1(Cs, IU, V2State, I+1, [I|Is]); +save_updated_vars_list1([], [], V2State, _I, Is) -> + {V2State, lists:reverse(Is)}; +save_updated_vars_list1([_|Cs], IU, V2State, I, Is) -> + save_updated_vars_list1(Cs, IU, V2State, I+1, Is). + +save_updated_vars(#constraint{}, _, V2State) -> + V2State; +save_updated_vars(#constraint_list{}=C, U, V2State0) -> + save_updated_vars1(V2State0, C, U); +save_updated_vars(#constraint_ref{id = Id}, U, V2State) -> + Cs = state__get_cs(Id, V2State#v2_state.state), + save_updated_vars(Cs, U, V2State). + +save_updated_vars1(V2State, C, U) -> + #v2_state{constr_data = ConData} = V2State, + #constraint_list{id = Id} = C, + case dict:find(Id, ConData) of + error -> V2State; % error means everything is flagged + {ok, failed} -> V2State; + {ok, {Part,U0}} -> + %% Duplicates are not so common; let masks/2 remove them. + U1 = U ++ U0, + V2State#v2_state{constr_data = dict:store(Id, {Part,U1}, ConData)} + end. + +-ifdef(DEBUG). +pp_constr_data(_Tag, #v2_state{constr_data = D}) -> + io:format("Constr data at ~p\n", [_Tag]), + _ = [begin + case _PartU of + {_Part, _U} -> + io:format("Id: ~w Vars: ~w\n", [_Id, _U]), + [pp_map("Part", dict:from_list(_Part)) || _Part =/= []]; + failed -> + io:format("Id: ~w failed list\n", [_Id]) + end + end || + {_Id, _PartU} <- lists:keysort(1, dict:to_list(D))], + ok. + +-else. +pp_constr_data(_Tag, _V2State) -> + ok. +-endif. + +failed_list(#constraint_list{id = Id}, #v2_state{constr_data = D}=V2State) -> + ?debug("error list ~w~n", [Id]), + V2State#v2_state{constr_data = dict:store(Id, failed, D)}. + +is_failed_list(#constraint_list{id = Id}, #v2_state{constr_data = D}) -> + dict:find(Id, D) =:= {ok, failed}. + +%% Solver v1 + solve_ref_or_list(#constraint_ref{id = Id, deps = Deps}, Map, MapDict, State) -> {OldLocalMap, Check} = case dict:find(Id, MapDict) of - error -> {dict:new(), false}; + error -> {map_new(), false}; {ok, M} -> {M, true} end, ?debug("Checking ref to fun: ~w\n", [debug_lookup_name(Id)]), + %% Note: mk_constraint_ref() has already removed Id from Deps. The + %% reason for doing it there is that it makes it easy for + %% calculate_masks() to make the corresponding adjustment for + %% version v2. CheckDeps = ordsets:del_element(t_var_name(Id), Deps), + true = CheckDeps =:= Deps, case Check andalso maps_are_equal(OldLocalMap, Map, CheckDeps) of true -> ?debug("Equal\n", []), @@ -1743,49 +2313,50 @@ solve_ref_or_list(#constraint_ref{id = Id, deps = Deps}, true -> solve_self_recursive(Cs, Map, MapDict, Id, t_none(), State); false -> solve_ref_or_list(Cs, Map, MapDict, State) end, - case Res of - {error, NewMapDict} -> - ?debug("Error solving for function ~p\n", [debug_lookup_name(Id)]), - Arity = state__fun_arity(Id, State), - FunType = - case state__prop_domain(t_var_name(Id), State) of - error -> t_fun(Arity, t_none()); - {ok, Dom} -> t_fun(Dom, t_none()) - end, - NewMap1 = enter_type(Id, FunType, Map), - NewMap2 = - case state__get_rec_var(Id, State) of - {ok, Var} -> enter_type(Var, FunType, NewMap1); - error -> NewMap1 - end, - {ok, dict:store(Id, NewMap2, NewMapDict), NewMap2}; - {ok, NewMapDict, NewMap} -> - ?debug("Done solving fun: ~p\n", [debug_lookup_name(Id)]), - FunType = lookup_type(Id, NewMap), - NewMap1 = enter_type(Id, FunType, Map), - NewMap2 = - case state__get_rec_var(Id, State) of - {ok, Var} -> enter_type(Var, FunType, NewMap1); - error -> NewMap1 - end, - {ok, dict:store(Id, NewMap2, NewMapDict), NewMap2} - end + {NewMapDict, FunType} = + case Res of + {error, NewMapDict0} -> + ?debug("Error solving for function ~p\n", [debug_lookup_name(Id)]), + Arity = state__fun_arity(Id, State), + FunType0 = + case state__prop_domain(t_var_name(Id), State) of + error -> t_fun(Arity, t_none()); + {ok, Dom} -> t_fun(Dom, t_none()) + end, + {NewMapDict0, FunType0}; + {ok, NewMapDict0, NewMap} -> + ?debug("Done solving fun: ~p\n", [debug_lookup_name(Id)]), + FunType0 = lookup_type(Id, NewMap), + {NewMapDict0, FunType0} + end, + ?debug(" Id=~w Assigned ~s\n", [Id, format_type(FunType)]), + NewMap1 = enter_type(Id, FunType, Map), + NewMap2 = + case state__get_rec_var(Id, State) of + {ok, Var} -> enter_type(Var, FunType, NewMap1); + error -> NewMap1 + end, + {ok, dict:store(Id, NewMap2, NewMapDict), NewMap2} end; solve_ref_or_list(#constraint_list{type=Type, list = Cs, deps = Deps, id = Id}, Map, MapDict, State) -> {OldLocalMap, Check} = case dict:find(Id, MapDict) of - error -> {dict:new(), false}; + error -> {map_new(), false}; {ok, M} -> {M, true} end, ?debug("Checking ref to list: ~w\n", [Id]), - case Check andalso maps_are_equal(OldLocalMap, Map, Deps) of + if + OldLocalMap =:= error -> {error, MapDict}; true -> - ?debug("~w equal ~w\n", [Type, Id]), - {ok, MapDict, Map}; - false -> - ?debug("~w not equal: ~w. Solving\n", [Type, Id]), - solve_clist(Cs, Type, Id, Deps, MapDict, Map, State) + case Check andalso maps_are_equal(OldLocalMap, Map, Deps) of + true -> + ?debug("~w equal ~w\n", [Type, Id]), + {ok, MapDict, Map}; + false -> + ?debug("~w not equal: ~w. Solving\n", [Type, Id]), + solve_clist(Cs, Type, Id, Deps, MapDict, Map, State) + end end. solve_self_recursive(Cs, Map, MapDict, Id, RecType0, State) -> @@ -1793,8 +2364,8 @@ solve_self_recursive(Cs, Map, MapDict, Id, RecType0, State) -> {ok, RecVar} = state__get_rec_var(Id, State), ?debug("OldRecType ~s\n", [format_type(RecType0)]), RecType = t_limit(RecType0, ?TYPE_LIMIT), - Map1 = enter_type(RecVar, RecType, dict:erase(t_var_name(Id), Map)), - ?debug("\tMap in: ~p\n",[[{X, format_type(Y)}||{X, Y}<-dict:to_list(Map1)]]), + Map1 = enter_type(RecVar, RecType, erase_type(t_var_name(Id), Map)), + pp_map("Map1", Map1), case solve_ref_or_list(Cs, Map1, MapDict, State) of {error, _} = Error -> case t_is_none(RecType0) of @@ -1807,8 +2378,7 @@ solve_self_recursive(Cs, Map, MapDict, Id, RecType0, State) -> Error end; {ok, NewMapDict, NewMap} -> - ?debug("\tMap: ~p\n", - [[{X, format_type(Y)} || {X, Y} <- dict:to_list(NewMap)]]), + pp_map("NewMap", NewMap), NewRecType = unsafe_lookup_type(Id, NewMap), case t_is_equal(NewRecType, RecType0) of true -> @@ -1820,7 +2390,8 @@ solve_self_recursive(Cs, Map, MapDict, Id, RecType0, State) -> solve_clist(Cs, conj, Id, Deps, MapDict, Map, State) -> case solve_cs(Cs, Map, MapDict, State) of - {error, _} = Error -> Error; + {error, NewMapDict} -> + {error, dict:store(Id, error, NewMapDict)}; {ok, NewMapDict, NewMap} = Ret -> case Cs of [_] -> @@ -1842,7 +2413,7 @@ solve_clist(Cs, disj, Id, _Deps, MapDict, Map, State) -> end, {Maps, NewMapDict} = lists:mapfoldl(Fun, MapDict, Cs), case [X || {ok, X} <- Maps] of - [] -> {error, NewMapDict}; + [] -> {error, dict:store(Id, error, NewMapDict)}; MapList -> NewMap = join_maps(MapList), {ok, dict:store(Id, NewMap, NewMapDict), NewMap} @@ -1861,14 +2432,9 @@ solve_cs([#constraint_list{} = C|Tail], Map, MapDict, State) -> solve_cs([#constraint{} = C|Tail], Map, MapDict, State) -> case solve_one_c(C, Map, State#state.opaques) of error -> - ?debug("+++++++++++\nFailed: ~s :: ~s ~w ~s :: ~s\n+++++++++++\n", - [format_type(C#constraint.lhs), - format_type(lookup_type(C#constraint.lhs, Map)), - C#constraint.op, - format_type(C#constraint.rhs), - format_type(lookup_type(C#constraint.rhs, Map))]), + report_failed_constraint(C, Map), {error, MapDict}; - {ok, NewMap} -> + {ok, {NewMap, _U}} -> solve_cs(Tail, NewMap, MapDict, State) end; solve_cs([], Map, MapDict, _State) -> @@ -1889,7 +2455,11 @@ solve_one_c(#constraint{lhs = Lhs, rhs = Rhs, op = Op}, Map, Opaques) -> eq -> case solve_subtype(Lhs, Inf, Map, Opaques) of error -> error; - {ok, Map1} -> solve_subtype(Rhs, Inf, Map1, Opaques) + {ok, {Map1, U1}} -> + case solve_subtype(Rhs, Inf, Map1, Opaques) of + error -> error; + {ok, {Map2, U2}} -> {ok, {Map2, lists:umerge(U1, U2)}} + end end end end. @@ -1912,18 +2482,34 @@ solve_subtype(Type, Inf, Map, Opaques) -> end. %% end. +report_failed_constraint(_C, _Map) -> + ?debug("+++++++++++\nFailed: ~s :: ~s ~w ~s :: ~s\n+++++++++++\n", + [format_type(_C#constraint.lhs), + format_type(lookup_type(_C#constraint.lhs, _Map)), + _C#constraint.op, + format_type(_C#constraint.rhs), + format_type(lookup_type(_C#constraint.rhs, _Map))]). + %% ============================================================================ %% %% Maps and types. %% %% ============================================================================ +map_new() -> + dict:new(). + +join_maps([Map]) -> + Map; join_maps(Maps) -> - Keys = lists:foldl(fun(TmpMap, AccKeys) -> - [Key || Key <- AccKeys, dict:is_key(Key, TmpMap)] - end, - dict:fetch_keys(hd(Maps)), tl(Maps)), - join_maps(Keys, Maps, dict:new()). + Keys = constrained_keys(Maps), + join_maps(Keys, Maps, map_new()). + +constrained_keys(Maps) -> + lists:foldl(fun(TmpMap, AccKeys) -> + [Key || Key <- AccKeys, dict:is_key(Key, TmpMap)] + end, + dict:fetch_keys(hd(Maps)), tl(Maps)). join_maps([Key|Left], Maps = [Map|MapsLeft], AccMap) -> NewType = join_one_key(Key, MapsLeft, lookup_type(Key, Map)), @@ -1986,13 +2572,13 @@ enter_type(Key, Val, Map) when is_integer(Key) -> ?debug("Entering ~s :: ~s\n", [format_type(t_var(Key)), format_type(Val)]), case t_is_any(Val) of true -> - dict:erase(Key, Map); + erase_type(Key, Map); false -> LimitedVal = t_limit(Val, ?INTERNAL_TYPE_LIMIT), case dict:find(Key, Map) of {ok, LimitedVal} -> Map; - {ok, _} -> dict:store(Key, LimitedVal, Map); - error -> dict:store(Key, LimitedVal, Map) + {ok, _} -> map_store(Key, LimitedVal, Map); + error -> map_store(Key, LimitedVal, Map) end end; enter_type(Key, Val, Map) -> @@ -2000,13 +2586,13 @@ enter_type(Key, Val, Map) -> KeyName = t_var_name(Key), case t_is_any(Val) of true -> - dict:erase(KeyName, Map); + erase_type(KeyName, Map); false -> LimitedVal = t_limit(Val, ?INTERNAL_TYPE_LIMIT), case dict:find(KeyName, Map) of {ok, LimitedVal} -> Map; - {ok, _} -> dict:store(KeyName, LimitedVal, Map); - error -> dict:store(KeyName, LimitedVal, Map) + {ok, _} -> map_store(KeyName, LimitedVal, Map); + error -> map_store(KeyName, LimitedVal, Map) end end. @@ -2016,11 +2602,25 @@ enter_type_lists([Key|KeyTail], [Val|ValTail], Map) -> enter_type_lists([], [], Map) -> Map. -enter_type_list([{Key, Val}|Tail], Map) -> +enter_type_list(KeyVals, Map) -> + enter_type_list(KeyVals, Map, []). + +enter_type_list([{Key, Val}|Tail], Map, U0) -> + {Map1,U1} = enter_type2(Key, Val, Map), + enter_type_list(Tail, Map1, U1++U0); +enter_type_list([], Map, U) -> + {Map, ordsets:from_list(U)}. + +enter_type2(Key, Val, Map) -> Map1 = enter_type(Key, Val, Map), - enter_type_list(Tail, Map1); -enter_type_list([], Map) -> - Map. + {Map1, [Key || not is_same(Key, Map, Map1)]}. + +map_store(Key, Val, Map) -> + ?debug("Storing ~w :: ~s\n", [Key, format_type(Val)]), + dict:store(Key, Val, Map). + +erase_type(Key, Map) -> + dict:erase(Key, Map). lookup_type_list(List, Map) -> [lookup_type(X, Map) || X <- List]. @@ -2046,8 +2646,7 @@ lookup_type(Key, Map) -> %% case cerl:is_literal(Key) of %% true -> t_from_term(cerl:concrete(Key)); %% false -> - Subst = t_subst(Key, Map), - t_sup(Subst, Subst). + t_subst(Key, Map). %% end. mk_var(Var) -> @@ -2072,17 +2671,41 @@ mk_var_no_lit(Var) -> mk_var_no_lit_list(List) -> [mk_var_no_lit(X) || X <- List]. +updated_vars_only(U, OldMap, NewMap) -> + [V || V <- U, not is_same(V, OldMap, NewMap)]. + +is_same(Key, Map1, Map2) -> + t_is_equal(lookup_type(Key, Map1), lookup_type(Key, Map2)). + +pp_map(_S, _Map) -> + ?debug("\t~s: ~p\n", + [_S, [{X, lists:flatten(format_type(Y))} || + {X, Y} <- lists:keysort(1, dict:to_list(_Map))]]). + %% ============================================================================ %% %% The State. %% %% ============================================================================ -new_state(SCC0, NextLabel, CallGraph, Plt, PropTypes) -> - NameMap = dict:from_list([{MFA, Var} || {MFA, {Var, _Fun}, _Rec} <- SCC0]), +new_state(SCC0, NextLabel, CallGraph, Plt, PropTypes, Solvers) -> + List = [{MFA, Var} || {MFA, {Var, _Fun}, _Rec} <- SCC0], + NameMap = dict:from_list(List), + MFAs = [MFA || {MFA, _Var} <- List], SCC = [mk_var(Fun) || {_MFA, {_Var, Fun}, _Rec} <- SCC0], + SelfRec = + case SCC of + [OneF] -> + Label = t_var_name(OneF), + case dialyzer_callgraph:is_self_rec(Label, CallGraph) of + true -> OneF; + false -> false + end; + _Many -> false + end, #state{callgraph = CallGraph, name_map = NameMap, next_label = NextLabel, - prop_types = PropTypes, plt = Plt, scc = ordsets:from_list(SCC)}. + prop_types = {d, PropTypes}, plt = Plt, scc = ordsets:from_list(SCC), + mfas = MFAs, self_rec = SelfRec, solvers = Solvers}. state__set_rec_dict(State, RecDict) -> State#state{records = RecDict}. @@ -2092,15 +2715,6 @@ state__set_opaques(#state{records = RecDict} = State, {M, _F, _A}) -> erl_types:module_builtin_opaques(M) ++ t_opaque_from_records(RecDict), State#state{opaques = Opaques, module = M}. -state__lookup_record(#state{records = Records}, Tag, Arity) -> - case erl_types:lookup_record(Tag, Arity, Records) of - {ok, Fields} -> - {ok, t_tuple([t_from_term(Tag)| - [FieldType || {_FieldName, FieldType} <- Fields]])}; - error -> - error - end. - state__set_in_match(State, Bool) -> State#state{in_match = Bool}. @@ -2161,13 +2775,21 @@ get_apply_constr(FunLabels, Dst, ArgTypes, #state{callgraph = CG} = State) -> case lists:member(error, MFAs) of true -> error; false -> - Constrs = [begin - State1 = state__new_constraint_context(State), - State2 = get_plt_constr(MFA, Dst, ArgTypes, State1), - state__cs(State2) - end || {ok, MFA} <- MFAs], - ApplyConstr = mk_disj_constraint_list(Constrs), - {ok, state__store_conj(ApplyConstr, State)} + Constrs0 = + [begin + State1 = state__new_constraint_context(State), + try get_plt_constr(MFA, Dst, ArgTypes, State1) of + State2 -> state__cs(State2) + catch + throw:error -> error + end + end || {ok, MFA} <- MFAs], + case [C || C <- Constrs0, C =/= error] of + [] -> throw(error); + Constrs -> + ApplyConstr = mk_disj_constraint_list(Constrs), + {ok, state__store_conj(ApplyConstr, State)} + end end. state__scc(#state{scc = SCC}) -> @@ -2182,14 +2804,21 @@ state__plt(#state{plt = PLT}) -> state__new_constraint_context(State) -> State#state{cs = []}. -state__prop_domain(FunLabel, #state{prop_types = PropTypes}) -> +state__prop_domain(FunLabel, #state{prop_types = {e, ETSPropTypes}}) -> + try ets:lookup_element(ETSPropTypes, FunLabel, 2) of + {_Range_Fun, Dom} -> {ok, Dom}; + FunType -> {ok, t_fun_args(FunType)} + catch + _:_ -> error + end; +state__prop_domain(FunLabel, #state{prop_types = {d, PropTypes}}) -> case dict:find(FunLabel, PropTypes) of error -> error; {ok, {_Range_Fun, Dom}} -> {ok, Dom}; {ok, FunType} -> {ok, t_fun_args(FunType)} end. -state__add_prop_constrs(Tree, #state{prop_types = PropTypes} = State) -> +state__add_prop_constrs(Tree, #state{prop_types = {d, PropTypes}} = State) -> Label = cerl_trees:get_label(Tree), case dict:find(Label, PropTypes) of error -> State; @@ -2252,23 +2881,17 @@ state__mk_vars(N, #state{next_label = NL} = State) -> Vars = [t_var(X) || X <- lists:seq(NL, NewLabel-1)], {State#state{next_label = NewLabel}, Vars}. -state__store_constrs(Id, Cs, #state{cmap = Dict} = State) -> +state__store_constrs(Id, Cs, #state{cmap = {d, Dict}} = State) -> NewDict = dict:store(Id, Cs, Dict), - State#state{cmap = NewDict}. + State#state{cmap = {d, NewDict}}. -state__get_cs(Var, #state{cmap = Dict}) -> +state__get_cs(Var, #state{cmap = {e, ETSDict}}) -> + ets:lookup_element(ETSDict, Var, 2); +state__get_cs(Var, #state{cmap = {d, Dict}}) -> dict:fetch(Var, Dict). -%% The functions here will not be treated as self recursive. -%% These functions will need to be handled as such manually. -state__mark_as_non_self_rec(SCC, #state{non_self_recs = NS} = State) -> - State#state{non_self_recs = ordsets:union(NS, ordsets:from_list(SCC))}. - -state__is_self_rec(Fun, #state{callgraph = CallGraph, non_self_recs = NS}) -> - case ordsets:is_element(Fun, NS) of - true -> false; - false -> dialyzer_callgraph:is_self_rec(t_var_name(Fun), CallGraph) - end. +state__is_self_rec(Fun, #state{self_rec = SelfRec}) -> + Fun =:= SelfRec. state__store_funs(Vars0, Funs0, #state{fun_map = Map} = State) -> debug_make_name_map(Vars0, Funs0), @@ -2305,7 +2928,7 @@ mk_constraint(Lhs, Op, Rhs) -> case Deps =:= [] of true -> %% This constraint is constant. Solve it immediately. - case solve_one_c(C, dict:new(), []) of + case solve_one_c(C, map_new(), []) of error -> throw(error); _ -> %% This is always true, keep it anyway for logistic reasons @@ -2328,8 +2951,9 @@ constraint_opnd_is_any(Type) -> t_is_any(Type). -ifdef(DEBUG). --spec mk_fun_var(fun((_) -> erl_types:erl_type()), [erl_types:erl_type()], - integer()) -> #fun_var{}. +-spec mk_fun_var(integer(), + fun((_) -> erl_types:erl_type()), + [erl_types:erl_type()]) -> #fun_var{}. mk_fun_var(Line, Fun, Types) -> Deps = [t_var_name(Var) || Var <- t_collect_vars(t_product(Types))], @@ -2377,7 +3001,9 @@ mk_constraints([], _Op, []) -> []. mk_constraint_ref(Id, Deps) -> - #constraint_ref{id = Id, deps = Deps}. + %% See also solve_ref_or_list(), #constraint_ref{}. + Ds = ordsets:del_element(t_var_name(Id), Deps), + #constraint_ref{id = Id, deps = Ds}. mk_constraint_list(Type, List) -> List1 = ordsets:from_list(lift_lists(Type, List)), @@ -2514,19 +3140,21 @@ enumerate_constraints([#constraint_ref{id = Id} = C|Tail], N, Acc, State) -> enumerate_constraints([#constraint_list{type = conj, list = List} = C|Tail], N, Acc, State) -> %% Separate the flat constraints from the deep ones to make a - %% separate fixpoint interation over the flat ones for speed. - {Flat, Deep} = lists:splitwith(fun(#constraint{}) -> true; + %% separate fixpoint iteration over the flat ones for speed. + {Flat, Deep} = lists:partition(fun(#constraint{}) -> true; (#constraint_list{}) -> false; (#constraint_ref{}) -> false end, List), {NewFlat, N1, State1} = enumerate_constraints(Flat, N, [], State), {NewDeep, N2, State2} = enumerate_constraints(Deep, N1, [], State1), {NewList, N3} = - case shorter_than_two(NewFlat) orelse (NewDeep =:= []) of - true -> {NewFlat ++ NewDeep, N2}; - false -> - {NewCLists, TmpN} = group_constraints_in_components(NewFlat, N2), - {NewCLists ++ NewDeep, TmpN} + if + NewFlat =:= [] -> {NewDeep, N2}; + NewDeep =:= [] -> {NewFlat, N2}; + true -> + TmpCList = mk_conj_constraint_list(NewFlat), + {[TmpCList#constraint_list{id = {list, N2}}| NewDeep], + N2 + 1} end, NewAcc = [C#constraint_list{list = NewList, id = {list, N3}}|Acc], enumerate_constraints(Tail, N3+1, NewAcc, State2); @@ -2540,42 +3168,6 @@ enumerate_constraints([#constraint{} = C|Tail], N, Acc, State) -> enumerate_constraints([], N, Acc, State) -> {lists:reverse(Acc), N, State}. -shorter_than_two([]) -> true; -shorter_than_two([_]) -> true; -shorter_than_two([_|_]) -> false. - -group_constraints_in_components(Cs, N) -> - DepList = [Deps || #constraint{deps = Deps} <- Cs], - case find_dep_components(DepList, []) of - [_] -> {Cs, N}; - [_|_] = Components -> - ConstrComp = [[C || #constraint{deps = D} = C <- Cs, - ordsets:is_subset(D, Comp)] - || Comp <- Components], - lists:mapfoldl(fun(CComp, TmpN) -> - TmpCList = mk_conj_constraint_list(CComp), - {TmpCList#constraint_list{id = {list, TmpN}}, - TmpN + 1} - end, N, ConstrComp) - end. - -find_dep_components([Set|Left], AccComponents) -> - {Component, Ungrouped} = find_dep_components(Left, Set, []), - case Component =:= Set of - true -> find_dep_components(Ungrouped, [Component|AccComponents]); - false -> find_dep_components([Component|Ungrouped], AccComponents) - end; -find_dep_components([], AccComponents) -> - AccComponents. - -find_dep_components([Set|Left], AccSet, Ungrouped) -> - case ordsets:intersection(Set, AccSet) of - [] -> find_dep_components(Left, AccSet, [Set|Ungrouped]); - [_|_] -> find_dep_components(Left, ordsets:union(Set, AccSet), Ungrouped) - end; -find_dep_components([], AccSet, Ungrouped) -> - {AccSet, Ungrouped}. - %% Put the fun ref constraints last in any conjunction since we need %% to separate the environment from the interior of the function. order_fun_constraints(State) -> @@ -2606,7 +3198,9 @@ order_fun_constraints([#constraint_list{list = List, type = Type} = C|Tail], end, lists:mapfoldl(FoldFun, State, List) end, - NewAcc = [update_constraint_list(C, NewList)|Acc], + C1 = update_constraint_list(C, NewList), + Masks = calculate_masks(NewList, 1, []), + NewAcc = [update_masks(C1, Masks)|Acc], order_fun_constraints(Tail, Funs, NewAcc, NewState); order_fun_constraints([#constraint{} = C|Tail], Funs, Acc, State) -> order_fun_constraints(Tail, Funs, [C|Acc], State); @@ -2614,6 +3208,22 @@ order_fun_constraints([], Funs, Acc, State) -> NewState = order_fun_constraints(Funs, State), {lists:reverse(Acc)++Funs, NewState}. +update_masks(C, Masks) -> + C#constraint_list{masks = Masks}. + +-define(VARS_LIMIT, 50). + +calculate_masks([C|Cs], I, L0) -> + calculate_masks(Cs, I+1, [{V, I} || V <- get_deps(C)] ++ L0); +calculate_masks([], _I, L) -> + M = family(L), + case length(M) > ?VARS_LIMIT of + true -> + {d, dict:from_list(M)}; + false -> + M + end. + %% ============================================================================ %% %% Utilities. @@ -2682,6 +3292,18 @@ find_constraint(Tuple, [#constraint_list{list = List}|Cs]) -> find_constraint(Tuple, [_|Cs]) -> find_constraint(Tuple, Cs). +lookup_record(Records, Tag, Arity) -> + case erl_types:lookup_record(Tag, Arity, Records) of + {ok, Fields} -> + {ok, t_tuple([t_from_term(Tag)| + [FieldType || {_FieldName, FieldType} <- Fields]])}; + error -> + error + end. + +family(L) -> + sofs:to_external(sofs:rel2fam(sofs:relation(L))). + %% ============================================================================ %% %% Pretty printer and debug facilities. @@ -2696,13 +3318,24 @@ find_constraint(Tuple, [_|Cs]) -> -ifdef(DEBUG). format_type(#fun_var{deps = Deps, origin = Origin}) -> - io_lib:format("Fun@L~p(~s)", - [Origin, lists:flatten([format_type(t_var(X))||X<-Deps])]); + L = [format_type(t_var(X)) || X <- Deps], + io_lib:format("Fun@L~p(~s)", [Origin, join_chars(L, ",")]); format_type(Type) -> case cerl:is_literal(Type) of true -> io_lib:format("~w", [cerl:concrete(Type)]); false -> erl_types:t_to_string(Type) end. + +join_chars([], _Sep) -> + []; +join_chars([H|T], Sep) -> + [H|[[Sep,X] || X <- T]]. + +debug_lookup_name(Var) -> + case dict:find(t_var_name(Var), get(dialyzer_typesig_map)) of + error -> Var; + {ok, Name} -> Name + end. -endif. -ifdef(DEBUG_NAME_MAP). @@ -2721,12 +3354,6 @@ debug_make_name_map([Var|VarLeft], [Fun|FunLeft], Map) -> debug_make_name_map([], [], Map) -> Map. -debug_lookup_name(Var) -> - case dict:find(t_var_name(Var), get(dialyzer_typesig_map)) of - error -> Var; - {ok, Name} -> Name - end. - -else. debug_make_name_map(_Vars, _Funs) -> ok. @@ -2737,51 +3364,55 @@ pp_constrs_scc(SCC, State) -> [pp_constrs(Fun, state__get_cs(Fun, State), State) || Fun <- SCC]. pp_constrs(Fun, Cs, State) -> - io:format("Constraints for fun: ~w\n", [debug_lookup_name(Fun)]), + io:format("Constraints for fun: ~w", [debug_lookup_name(Fun)]), MaxDepth = pp_constraints(Cs, State), io:format("Depth: ~w\n", [MaxDepth]). pp_constraints(Cs, State) -> - Res = pp_constraints([Cs], none, 0, 0, State), + Res = pp_constraints([Cs], 0, 0, State), io:nl(), Res. -pp_constraints([List|Tail], Separator, Level, MaxDepth, - State) when is_list(List) -> - pp_constraints(List++Tail, Separator, Level, MaxDepth, State); -pp_constraints([#constraint_ref{id = Id}|Left], Separator, - Level, MaxDepth, State) -> +pp_constraints([List|Tail], Level, MaxDepth, State) when is_list(List) -> + pp_constraints(List++Tail, Level, MaxDepth, State); +pp_constraints([#constraint_ref{id = Id}|Left], Level, MaxDepth, State) -> Cs = state__get_cs(Id, State), + pp_indent(Level), io:format("%Ref ~w%", [t_var_name(Id)]), - pp_constraints([Cs|Left], Separator, Level, MaxDepth, State); -pp_constraints([#constraint{lhs = Lhs, op = Op, rhs = Rhs}], _Separator, - Level, MaxDepth, _State) -> - io:format("~s ~w ~s", [format_type(Lhs), Op, format_type(Rhs)]), + pp_constraints([Cs|Left], Level, MaxDepth, State); +pp_constraints([#constraint{}=C], Level, MaxDepth, _State) -> + pp_op(C, Level), erlang:max(Level, MaxDepth); -pp_constraints([#constraint{lhs = Lhs, op = Op, rhs = Rhs}|Tail], Separator, - Level, MaxDepth, State) -> - io:format("~s ~w ~s ~s ", [format_type(Lhs), Op, format_type(Rhs),Separator]), - pp_constraints(Tail, Separator, Level, MaxDepth, State); +pp_constraints([#constraint{}=C|Tail], Level, MaxDepth, State) -> + pp_op(C, Level), + pp_constraints(Tail, Level, MaxDepth, State); pp_constraints([#constraint_list{type = Type, list = List, id = Id}], - _Separator, Level, MaxDepth, State) -> - io:format("%List ~w(", [Id]), - NewSeparator = case Type of - conj -> "*"; - disj -> "+" - end, - NewMaxDepth = pp_constraints(List, NewSeparator, Level + 1, MaxDepth, State), + Level, MaxDepth, State) -> + pp_indent(Level), + case Type of + conj -> io:format("Conj ~w (", [Id]); + disj -> io:format("Disj ~w (", [Id]) + end, + NewMaxDepth = pp_constraints(List, Level + 1, MaxDepth, State), io:format(")", []), NewMaxDepth; pp_constraints([#constraint_list{type = Type, list = List, id = Id}|Tail], - Separator, Level, MaxDepth, State) -> - io:format("List ~w(", [Id]), - NewSeparator = case Type of - conj -> "*"; - disj -> "+" - end, - NewMaxDepth = pp_constraints(List, NewSeparator, Level+1, MaxDepth, State), - io:format(") ~s\n~s ", [Separator, Separator]), - pp_constraints(Tail, Separator, Level, NewMaxDepth, State). + Level, MaxDepth, State) -> + pp_indent(Level), + case Type of + conj -> io:format("Conj ~w (", [Id]); + disj -> io:format("Disj ~w (", [Id]) + end, + NewMaxDepth = pp_constraints(List, Level+1, MaxDepth, State), + io:format(")", []), + pp_constraints(Tail, Level, NewMaxDepth, State). + +pp_op(#constraint{lhs = Lhs, op = Op, rhs = Rhs}, Level) -> + pp_indent(Level), + io:format("~s ~w ~s", [format_type(Lhs), Op, format_type(Rhs)]). + +pp_indent(Level) -> + io:format("\n~*s", [Level*2, ""]). -else. pp_constrs_scc(_SCC, _State) -> ok. diff --git a/lib/dialyzer/src/dialyzer_utils.erl b/lib/dialyzer/src/dialyzer_utils.erl index 12f8dec67e..8046b48838 100644 --- a/lib/dialyzer/src/dialyzer_utils.erl +++ b/lib/dialyzer/src/dialyzer_utils.erl @@ -2,7 +2,7 @@ %%----------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2011. All Rights Reserved. +%% Copyright Ericsson AB 2006-2012. 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 @@ -43,7 +43,8 @@ pp_hook/0, process_record_remote_types/1, sets_filter/2, - src_compiler_opts/0 + src_compiler_opts/0, + parallelism/0 ]). -include("dialyzer.hrl"). @@ -311,11 +312,15 @@ merge_records(NewRecords, OldRecords) -> %% %% ============================================================================ +-type spec_dict() :: dict(). +-type callback_dict() :: dict(). + -spec get_spec_info(atom(), abstract_code(), dict()) -> - {'ok', dict()} | {'error', string()}. + {'ok', spec_dict(), callback_dict()} | {'error', string()}. get_spec_info(ModName, AbstractCode, RecordsDict) -> - get_spec_info(AbstractCode, dict:new(), RecordsDict, ModName, "nofile"). + get_spec_info(AbstractCode, dict:new(), dict:new(), + RecordsDict, ModName, "nofile"). %% TypeSpec is a list of conditional contracts for a function. %% Each contract is of the form {[Argument], Range, [Constraint]} where @@ -323,21 +328,34 @@ get_spec_info(ModName, AbstractCode, RecordsDict) -> %% - Constraint is of the form {subtype, T1, T2} where T1 and T2 %% are erl_types:erl_type() -get_spec_info([{attribute, Ln, spec, {Id, TypeSpec}}|Left], - SpecDict, RecordsDict, ModName, File) when is_list(TypeSpec) -> +get_spec_info([{attribute, Ln, Contract, {Id, TypeSpec}}|Left], + SpecDict, CallbackDict, RecordsDict, ModName, File) + when ((Contract =:= 'spec') or (Contract =:= 'callback')), + is_list(TypeSpec) -> MFA = case Id of {_, _, _} = T -> T; {F, A} -> {ModName, F, A} end, - try dict:find(MFA, SpecDict) of + ActiveDict = + case Contract of + spec -> SpecDict; + callback -> CallbackDict + end, + try dict:find(MFA, ActiveDict) of error -> - NewSpecDict = + NewActiveDict = dialyzer_contracts:store_tmp_contract(MFA, {File, Ln}, TypeSpec, - SpecDict, RecordsDict), - get_spec_info(Left, NewSpecDict, RecordsDict, ModName, File); + ActiveDict, RecordsDict), + {NewSpecDict, NewCallbackDict} = + case Contract of + spec -> {NewActiveDict, CallbackDict}; + callback -> {SpecDict, NewActiveDict} + end, + get_spec_info(Left, NewSpecDict, NewCallbackDict, + RecordsDict, ModName,File); {ok, {{OtherFile, L},_C}} -> {Mod, Fun, Arity} = MFA, - Msg = flat_format(" Contract for function ~w:~w/~w " + Msg = flat_format(" Contract/callback for function ~w:~w/~w " "already defined in ~s:~w\n", [Mod, Fun, Arity, OtherFile, L]), throw({error, Msg}) @@ -347,12 +365,14 @@ get_spec_info([{attribute, Ln, spec, {Id, TypeSpec}}|Left], [Ln, Error])} end; get_spec_info([{attribute, _, file, {IncludeFile, _}}|Left], - SpecDict, RecordsDict, ModName, _File) -> - get_spec_info(Left, SpecDict, RecordsDict, ModName, IncludeFile); -get_spec_info([_Other|Left], SpecDict, RecordsDict, ModName, File) -> - get_spec_info(Left, SpecDict, RecordsDict, ModName, File); -get_spec_info([], SpecDict, _RecordsDict, _ModName, _File) -> - {ok, SpecDict}. + SpecDict, CallbackDict, RecordsDict, ModName, _File) -> + get_spec_info(Left, SpecDict, CallbackDict, + RecordsDict, ModName, IncludeFile); +get_spec_info([_Other|Left], SpecDict, CallbackDict, + RecordsDict, ModName, File) -> + get_spec_info(Left, SpecDict, CallbackDict, RecordsDict, ModName, File); +get_spec_info([], SpecDict, CallbackDict, _RecordsDict, _ModName, _File) -> + {ok, SpecDict, CallbackDict}. %% ============================================================================ %% @@ -517,3 +537,12 @@ pp_unit(Unit, Ctxt, Cont) -> pp_atom(Atom) -> String = atom_to_list(cerl:atom_val(Atom)), prettypr:text(String). + +%%------------------------------------------------------------------------------ + +-spec parallelism() -> integer(). + +parallelism() -> + CPUs = erlang:system_info(logical_processors_available), + Schedulers = erlang:system_info(schedulers), + min(CPUs, Schedulers). diff --git a/lib/dialyzer/src/dialyzer_worker.erl b/lib/dialyzer/src/dialyzer_worker.erl new file mode 100644 index 0000000000..1338997899 --- /dev/null +++ b/lib/dialyzer/src/dialyzer_worker.erl @@ -0,0 +1,189 @@ +%% -*- erlang-indent-level: 2 -*- +%%----------------------------------------------------------------------- +%% %CopyrightBegin% +%% +%% Copyright Ericsson AB 2006-2012. 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 +%% compliance with the License. You should have received a copy of the +%% Erlang Public License along with this software. If not, it can be +%% retrieved online at http://www.erlang.org/. +%% +%% Software distributed under the License is distributed on an "AS IS" +%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See +%% the License for the specific language governing rights and limitations +%% under the License. +%% +%% %CopyrightEnd% +%% + +-module(dialyzer_worker). + +-export([launch/4, sequential/4]). + +-export_type([worker/0]). + +-type worker() :: pid(). %%opaque + +-type mode() :: dialyzer_coordinator:mode(). +-type coordinator() :: dialyzer_coordinator:coordinator(). +-type init_data() :: dialyzer_coordinator:init_data(). +-type result() :: dialyzer_coordinator:result(). + +-record(state, { + mode :: mode(), + job :: mfa_or_funlbl() | file:filename(), + coordinator :: coordinator(), + init_data :: init_data(), + depends_on = [] :: list() + }). + +-include("dialyzer.hrl"). + +%% -define(DEBUG, true). + +-ifdef(DEBUG). +-define(debug(X__, Y__), io:format(X__, Y__)). +-else. +-define(debug(X__, Y__), ok). +-endif. + +%%-------------------------------------------------------------------- + +-spec launch(mode(), [mfa_or_funlbl()], init_data(), coordinator()) -> worker(). + +launch(Mode, Job, InitData, Coordinator) -> + State = #state{mode = Mode, + job = Job, + init_data = InitData, + coordinator = Coordinator}, + InitState = + case Mode of + X when X =:= 'typesig'; X =:= 'dataflow' -> initializing; + X when X =:= 'compile'; X =:= 'warnings' -> running + end, + spawn_link(fun() -> loop(InitState, State) end). + +%%-------------------------------------------------------------------- + +loop(updating, State) -> + ?debug("Update: ~p\n",[State#state.job]), + NextStatus = + case waits_more_success_typings(State) of + true -> waiting; + false -> running + end, + loop(NextStatus, State); +loop(initializing, #state{job = SCC, init_data = InitData} = State) -> + DependsOn = dialyzer_succ_typings:find_depends_on(SCC, InitData), + ?debug("Deps ~p: ~p\n",[State#state.job, DependsOn]), + loop(updating, State#state{depends_on = DependsOn}); +loop(waiting, State) -> + ?debug("Wait: ~p\n",[State#state.job]), + NewState = wait_for_success_typings(State), + loop(updating, NewState); +loop(running, #state{mode = 'compile'} = State) -> + dialyzer_coordinator:wait_activation(), + ?debug("Compile: ~s\n",[State#state.job]), + Result = + case start_compilation(State) of + {ok, EstimatedSize, Data} -> + Label = ask_coordinator_for_label(EstimatedSize, State), + continue_compilation(Label, Data); + {error, _Reason} = Error -> + Error + end, + report_to_coordinator(Result, State); +loop(running, #state{mode = 'warnings'} = State) -> + dialyzer_coordinator:wait_activation(), + ?debug("Warning: ~s\n",[State#state.job]), + Result = collect_warnings(State), + report_to_coordinator(Result, State); +loop(running, #state{mode = Mode} = State) when + Mode =:= 'typesig'; Mode =:= 'dataflow' -> + request_activation(State), + ?debug("Run: ~p\n",[State#state.job]), + NotFixpoint = do_work(State), + ok = broadcast_done(State), + report_to_coordinator(NotFixpoint, State). + +waits_more_success_typings(#state{depends_on = Depends}) -> + Depends =/= []. + +broadcast_done(#state{job = SCC, init_data = InitData, + coordinator = Coordinator}) -> + RequiredBy = dialyzer_succ_typings:find_required_by(SCC, InitData), + {Callers, Unknown} = + dialyzer_coordinator:sccs_to_pids(RequiredBy, Coordinator), + send_done(Callers, SCC), + continue_broadcast_done(Unknown, SCC, Coordinator). + +send_done(Callers, SCC) -> + ?debug("Sending ~p: ~p\n",[SCC, Callers]), + SendSTFun = fun(PID) -> PID ! {done, SCC} end, + lists:foreach(SendSTFun, Callers). + +continue_broadcast_done([], _SCC, _Coordinator) -> ok; +continue_broadcast_done(Rest, SCC, Coordinator) -> + %% This time limit should be greater than the time required + %% by the coordinator to spawn all processes. + timer:sleep(500), + {Callers, Unknown} = dialyzer_coordinator:sccs_to_pids(Rest, Coordinator), + send_done(Callers, SCC), + continue_broadcast_done(Unknown, SCC, Coordinator). + +wait_for_success_typings(#state{depends_on = DependsOn} = State) -> + receive + {done, SCC} -> + ?debug("GOT ~p: ~p\n",[State#state.job, SCC]), + State#state{depends_on = DependsOn -- [SCC]} + after + 5000 -> + ?debug("Still Waiting ~p: ~p\n",[State#state.job, DependsOn]), + State + end. + +request_activation(#state{coordinator = Coordinator}) -> + dialyzer_coordinator:request_activation(Coordinator). + +do_work(#state{mode = Mode, job = Job, init_data = InitData}) -> + case Mode of + typesig -> dialyzer_succ_typings:find_succ_types_for_scc(Job, InitData); + dataflow -> dialyzer_succ_typings:refine_one_module(Job, InitData) + end. + +report_to_coordinator(Result, #state{job = Job, coordinator = Coordinator}) -> + ?debug("Done: ~p\n",[Job]), + dialyzer_coordinator:job_done(Job, Result, Coordinator). + +start_compilation(#state{job = Job, init_data = InitData}) -> + dialyzer_analysis_callgraph:start_compilation(Job, InitData). + +ask_coordinator_for_label(EstimatedSize, #state{coordinator = Coordinator}) -> + dialyzer_coordinator:get_next_label(EstimatedSize, Coordinator). + +continue_compilation(Label, Data) -> + dialyzer_analysis_callgraph:continue_compilation(Label, Data). + +collect_warnings(#state{job = Job, init_data = InitData}) -> + dialyzer_succ_typings:collect_warnings(Job, InitData). + +%%------------------------------------------------------------------------------ + +-type extra() :: label() | 'unused'. + +-spec sequential(mode(), [mfa_or_funlbl()], init_data(), extra()) -> result(). + +sequential('compile', Job, InitData, Extra) -> + case dialyzer_analysis_callgraph:start_compilation(Job, InitData) of + {ok, EstimatedSize, Data} -> + {EstimatedSize, continue_compilation(Extra, Data)}; + {error, _Reason} = Error -> {0, Error} + end; +sequential('typesig', Job, InitData, _Extra) -> + dialyzer_succ_typings:find_succ_types_for_scc(Job, InitData); +sequential('dataflow', Job, InitData, _Extra) -> + dialyzer_succ_typings:refine_one_module(Job, InitData); +sequential('warnings', Job, InitData, _Extra) -> + dialyzer_succ_typings:collect_warnings(Job, InitData). diff --git a/lib/dialyzer/test/Makefile b/lib/dialyzer/test/Makefile index 47deb17f1d..9f8a3f1194 100644 --- a/lib/dialyzer/test/Makefile +++ b/lib/dialyzer/test/Makefile @@ -25,10 +25,10 @@ RELSYSDIR = $(RELEASE_PATH)/dialyzer_test include $(ERL_TOP)/make/otp_release_targets.mk release_tests_spec: - $(INSTALL_DIR) $(RELSYSDIR) - chmod -R u+w $(RELSYSDIR) - $(INSTALL_DATA) $(AUXILIARY_FILES) $(RELSYSDIR) - @tar cf - *_SUITE_data | (cd $(RELSYSDIR); tar xf -) - cd $(RELSYSDIR);\ - erl -make;\ + $(INSTALL_DIR) "$(RELSYSDIR)" + chmod -R u+w "$(RELSYSDIR)" + $(INSTALL_DATA) $(AUXILIARY_FILES) "$(RELSYSDIR)" + @tar cf - *_SUITE_data | (cd "$(RELSYSDIR)"; tar xf -) + cd "$(RELSYSDIR)";\ + erlc dialyzer_common.erl file_utils.erl;\ erl -noshell -run dialyzer_common create_all_suites -s erlang halt diff --git a/lib/dialyzer/test/behaviour_SUITE_data/dialyzer_options b/lib/dialyzer/test/behaviour_SUITE_data/dialyzer_options new file mode 100644 index 0000000000..50991c9bc5 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/dialyzer_options @@ -0,0 +1 @@ +{dialyzer_options, []}. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/callbacks_and_specs b/lib/dialyzer/test/behaviour_SUITE_data/results/callbacks_and_specs new file mode 100644 index 0000000000..33d135048e --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/results/callbacks_and_specs @@ -0,0 +1,5 @@ + +my_callbacks_wrong.erl:26: The return type #state{parent::'undefined' | pid(),status::'closed' | 'init' | 'open',subscribe::[{pid(),integer()}],counter::integer()} in the specification of callback_init/1 is not a subtype of {'ok',_}, which is the expected return type for the callback of my_behaviour behaviour +my_callbacks_wrong.erl:28: The inferred return type of callback_init/1 (#state{parent::'undefined' | pid(),status::'init',subscribe::[],counter::1}) has nothing in common with {'ok',_}, which is the expected return type for the callback of my_behaviour behaviour +my_callbacks_wrong.erl:30: The return type {'reply',#state{parent::'undefined' | pid(),status::'closed' | 'init' | 'open',subscribe::[{pid(),integer()}],counter::integer()}} in the specification of callback_cast/3 is not a subtype of {'noreply',_}, which is the expected return type for the callback of my_behaviour behaviour +my_callbacks_wrong.erl:39: The specified type for the 2nd argument of callback_call/3 (atom()) is not a supertype of pid(), which is expected type for this argument in the callback of the my_behaviour behaviour diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/gen_event_incorrect_return b/lib/dialyzer/test/behaviour_SUITE_data/results/gen_event_incorrect_return new file mode 100644 index 0000000000..e646eea383 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/results/gen_event_incorrect_return @@ -0,0 +1,2 @@ + +gen_event_incorrect_return.erl:16: The inferred return type of init/1 ('error') has nothing in common with {'error',_} | {'ok',_} | {'ok',_,'hibernate'}, which is the expected return type for the callback of gen_event behaviour diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/gen_server_incorrect_args b/lib/dialyzer/test/behaviour_SUITE_data/results/gen_server_incorrect_args new file mode 100644 index 0000000000..3e98da785f --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/results/gen_server_incorrect_args @@ -0,0 +1,8 @@ + +gen_server_incorrect_args.erl:3: Undefined callback function code_change/3 (behaviour 'gen_server') +gen_server_incorrect_args.erl:3: Undefined callback function handle_cast/2 (behaviour 'gen_server') +gen_server_incorrect_args.erl:3: Undefined callback function handle_info/2 (behaviour 'gen_server') +gen_server_incorrect_args.erl:3: Undefined callback function init/1 (behaviour 'gen_server') +gen_server_incorrect_args.erl:3: Undefined callback function terminate/2 (behaviour 'gen_server') +gen_server_incorrect_args.erl:7: The inferred return type of handle_call/3 ({'no'} | {'ok'}) has nothing in common with {'noreply',_} | {'noreply',_,'hibernate' | 'infinity' | non_neg_integer()} | {'reply',_,_} | {'stop',_,_} | {'reply',_,_,'hibernate' | 'infinity' | non_neg_integer()} | {'stop',_,_,_}, which is the expected return type for the callback of gen_server behaviour +gen_server_incorrect_args.erl:7: The inferred type for the 2nd argument of handle_call/3 ('boo' | 'foo') is not a supertype of {pid(),_}, which is expected type for this argument in the callback of the gen_server behaviour diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/gen_server_missing_callbacks b/lib/dialyzer/test/behaviour_SUITE_data/results/gen_server_missing_callbacks new file mode 100644 index 0000000000..5e0ed5fd27 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/results/gen_server_missing_callbacks @@ -0,0 +1,3 @@ + +gen_server_missing_callbacks.erl:3: Undefined callback function handle_cast/2 (behaviour 'gen_server') +gen_server_missing_callbacks.erl:3: Undefined callback function handle_info/2 (behaviour 'gen_server') diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/sample_behaviour b/lib/dialyzer/test/behaviour_SUITE_data/results/sample_behaviour new file mode 100644 index 0000000000..8cecabccaa --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/results/sample_behaviour @@ -0,0 +1,9 @@ + +sample_callback_wrong.erl:16: The inferred return type of sample_callback_2/0 (42) has nothing in common with atom(), which is the expected return type for the callback of sample_behaviour behaviour +sample_callback_wrong.erl:17: The inferred return type of sample_callback_3/0 ('fair') has nothing in common with 'fail' | {'ok',1..255}, which is the expected return type for the callback of sample_behaviour behaviour +sample_callback_wrong.erl:18: The inferred return type of sample_callback_4/1 ('fail') has nothing in common with 'ok', which is the expected return type for the callback of sample_behaviour behaviour +sample_callback_wrong.erl:20: The inferred return type of sample_callback_5/1 (string()) has nothing in common with 'fail' | 'ok', which is the expected return type for the callback of sample_behaviour behaviour +sample_callback_wrong.erl:20: The inferred type for the 1st argument of sample_callback_5/1 (atom()) is not a supertype of 1..255, which is expected type for this argument in the callback of the sample_behaviour behaviour +sample_callback_wrong.erl:22: The inferred return type of sample_callback_6/3 ({'okk',number()}) has nothing in common with 'fail' | {'ok',1..255}, which is the expected return type for the callback of sample_behaviour behaviour +sample_callback_wrong.erl:22: The inferred type for the 3rd argument of sample_callback_6/3 (atom()) is not a supertype of string(), which is expected type for this argument in the callback of the sample_behaviour behaviour +sample_callback_wrong.erl:4: Undefined callback function sample_callback_1/0 (behaviour 'sample_behaviour') diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/sample_behaviour_old b/lib/dialyzer/test/behaviour_SUITE_data/results/sample_behaviour_old new file mode 100644 index 0000000000..f0181bb59c --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/results/sample_behaviour_old @@ -0,0 +1,4 @@ + +incorrect_args_callback.erl:12: The inferred type for the 2nd argument of bar/2 ('yes') is not a supertype of [any()], which is expected type for this argument in the callback of the correct_behaviour behaviour +incorrect_return_callback.erl:9: The inferred return type of foo/0 ('error') has nothing in common with 'no' | 'yes', which is the expected return type for the callback of correct_behaviour behaviour +missing_callback.erl:5: Undefined callback function foo/0 (behaviour 'correct_behaviour') diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/supervisor_incorrect_return b/lib/dialyzer/test/behaviour_SUITE_data/results/supervisor_incorrect_return new file mode 100644 index 0000000000..e89caf3cf7 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/results/supervisor_incorrect_return @@ -0,0 +1,2 @@ + +supervisor_incorrect_return.erl:14: The inferred return type of init/1 ({'ok',{{'one_against_one',0,1},[{_,_,_,_,_,_},...]}}) has nothing in common with 'ignore' | {'ok',{{'one_for_all',non_neg_integer(),non_neg_integer()} | {'one_for_one',non_neg_integer(),non_neg_integer()} | {'rest_for_one',non_neg_integer(),non_neg_integer()} | {'simple_one_for_one',non_neg_integer(),non_neg_integer()},[{_,{atom() | tuple(),atom(),'undefined' | [any()]},'permanent' | 'temporary' | 'transient','brutal_kill' | 'infinity' | non_neg_integer(),'supervisor' | 'worker','dynamic' | [atom() | tuple()]}]}}, which is the expected return type for the callback of supervisor behaviour diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/undefined_callbacks b/lib/dialyzer/test/behaviour_SUITE_data/results/undefined_callbacks new file mode 100644 index 0000000000..7147ffc750 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/results/undefined_callbacks @@ -0,0 +1,2 @@ + +undefined_beh_callback.erl:5: Callback info about the undefined_behaviour behaviour is not available diff --git a/lib/dialyzer/test/behaviour_SUITE_data/results/vars_in_beh_spec b/lib/dialyzer/test/behaviour_SUITE_data/results/vars_in_beh_spec new file mode 100644 index 0000000000..5284e412f0 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/results/vars_in_beh_spec @@ -0,0 +1,6 @@ + +vars_in_beh_spec.erl:3: Undefined callback function handle_call/3 (behaviour 'gen_server') +vars_in_beh_spec.erl:3: Undefined callback function handle_cast/2 (behaviour 'gen_server') +vars_in_beh_spec.erl:3: Undefined callback function handle_info/2 (behaviour 'gen_server') +vars_in_beh_spec.erl:3: Undefined callback function init/1 (behaviour 'gen_server') +vars_in_beh_spec.erl:3: Undefined callback function terminate/2 (behaviour 'gen_server') diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/callbacks_and_specs/my_behaviour.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/callbacks_and_specs/my_behaviour.erl new file mode 100644 index 0000000000..c4e5203448 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/callbacks_and_specs/my_behaviour.erl @@ -0,0 +1,11 @@ +-module(my_behaviour). + +-callback callback_init(Parent :: pid()) -> {'ok', State::term()}. + +-callback callback_cast(State::term(), From::pid(), Msg::term()) -> + {'noreply', NewState::term()}. + +-callback callback_call(State::term(), From::pid(), Msg::term()) -> + {'reply', NewState::term(), Reply::term()}. + +-callback callback_exit(State::term()) -> 'ok'. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/callbacks_and_specs/my_callbacks_correct.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/callbacks_and_specs/my_callbacks_correct.erl new file mode 100644 index 0000000000..041b4ac56c --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/callbacks_and_specs/my_callbacks_correct.erl @@ -0,0 +1,59 @@ +-module(my_callbacks_correct). + +-export([ + callback_init/1 + , callback_call/3 + , callback_cast/3 + , callback_exit/1 + ]). + +-record(state, { + parent :: pid(), + status = init :: 'init' | 'open' | 'closed', + subscribe = [] :: list({pid(), integer()}), + counter = 1 :: integer() + }). + +-type state() :: #state{}. + +-type cast_message() :: 'open' | 'closed'. + +-type call_message() :: 'subscribe' | 'unsubscribe'. +-type call_reply() :: 'accepted' | 'rejected'. + +-spec callback_init(Parent::pid()) -> {'ok', state()}. + +callback_init(Parent) -> + {ok, #state{parent = Parent}}. + +-spec callback_cast(state(), pid(), cast_message()) -> {'noreply', state()}. + +callback_cast(#state{parent = Pid} = State, Pid, Message) + when Message =:= 'open'; Message =:= 'close' -> + {noreply, State#state{status = Message}}; +callback_cast(State, _Pid, _Message) -> + {noreply, State}. + +-spec callback_call(state(), pid(), call_message()) -> + {'reply', state(), call_reply()}. + +callback_call(#state{status = open, subscribe = Subscribers} = State, + Pid, Message) + when Message =:= 'subscribe'; + Message =:= 'unsubscribe' -> + NewState = + case Message of + subscribe -> + N = State#state.counter, + State#state{subscribe = [{Pid, N}|Subscribers], counter = N+1}; + unsubscribe -> + State#state{subscribe = lists:keydelete(Pid, 1, Subscribers)} + end, + {reply, NewState, accepted}; +callback_call(State, _Pid, _Message) -> + {reply, State, rejected}. + +-spec callback_exit(state()) -> 'ok'. + +callback_exit(_State) -> + ok. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/callbacks_and_specs/my_callbacks_wrong.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/callbacks_and_specs/my_callbacks_wrong.erl new file mode 100644 index 0000000000..0459622dc1 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/callbacks_and_specs/my_callbacks_wrong.erl @@ -0,0 +1,61 @@ +-module(my_callbacks_wrong). + +-export([ + callback_init/1 + , callback_call/3 + , callback_cast/3 + , callback_exit/1 + ]). + +-behaviour(my_behaviour). + +-record(state, { + parent :: pid(), + status = init :: 'init' | 'open' | 'closed', + subscribe = [] :: list({pid(), integer()}), + counter = 1 :: integer() + }). + +-type state() :: #state{}. + +-type cast_message() :: 'open' | 'closed'. + +-type call_message() :: 'subscribe' | 'unsubscribe'. +-type call_reply() :: 'accepted' | 'rejected'. + +-spec callback_init(Parent::pid()) -> state(). %% Wrong return spec + +callback_init(Parent) -> #state{parent = Parent}. %% Wrong return + +-spec callback_cast(state(), pid() | atom(), cast_message()) -> + {'noreply' | 'reply', state()}. %% More generic spec + +callback_cast(#state{parent = Pid} = State, Pid, Message) + when Message =:= 'open'; Message =:= 'close' -> + {noreply, State#state{status = Message}}; +callback_cast(State, _Pid, _Message) -> + {noreply, State}. + +-spec callback_call(state(), atom(), call_message()) -> %% Wrong arg spec + {'reply', state(), call_reply()}. + +callback_call(#state{status = open, subscribe = Subscribers} = State, + Pid, Message) + when Message =:= 'subscribe'; + Message =:= 'unsubscribe' -> + NewState = + case Message of + subscribe -> + N = State#state.counter, + State#state{subscribe = [{Pid, N}|Subscribers], counter = N+1}; + unsubscribe -> + State#state{subscribe = lists:keydelete(Pid, 1, Subscribers)} + end, + {reply, NewState, accepted}; +callback_call(State, _Pid, _Message) -> + {reply, State, rejected}. + +-spec callback_exit(state()) -> ok. + +callback_exit(_State) -> + ok. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/custom_sup.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/custom_sup.erl new file mode 100644 index 0000000000..8ec84d798f --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/custom_sup.erl @@ -0,0 +1,37 @@ +%%% Dialyzer was giving a warning with this input because of a bug in the +%%% substitution of remote types in specs. Remote types in the first element of +%%% a tuple would not update the tuple's tag set and we could end up with a +%%% non-normalized representation. +%%% +%%% Reported by Damian Dobroczyński on 29/02/2012 + +-module(custom_sup). + +-behavior(supervisor). + +-export([init/1]). + +-spec init(atom()) -> + {ok, {{supervisor:strategy(), non_neg_integer(), non_neg_integer()}, + [supervisor:child_spec()]}} | ignore. + +init(StorageName) -> + Strategy = {one_for_all, 100, 1}, + %% get application-wide storage parameters + case application:get_env(storage) of + undefined -> + ignore; + {ok, Storage} -> + BackendId = proplists:get_value(backend, Storage), + BackendArgs = proplists:get_value(args, Storage), + if + (BackendId =:= undefined) orelse (BackendArgs =:= undefined) -> + ignore; + true -> + {ok, {Strategy, + [{id1, {a_module, start_link, []}, + permanent, 5000, worker, [a_module]}, + {id2, {another_module, start_link, []}, + permanent, 5000, worker, [another_module]}]}} + end + end. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/gen_event_incorrect_return.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/gen_event_incorrect_return.erl new file mode 100644 index 0000000000..f5ccf7f8c4 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/gen_event_incorrect_return.erl @@ -0,0 +1,33 @@ +-module(gen_event_incorrect_return). + +-behaviour(gen_event). + +-export([start_link/0, add_handler/0]). + +-export([init/1, handle_event/2, handle_call/2, + handle_info/2, terminate/2, code_change/3]). + +start_link() -> + gen_event:start_link({local, myserver}). + +add_handler() -> + gen_event:add_handler(myserver, ?MODULE, []). + +init([]) -> + error. + +handle_event(_Event, State) -> + {ok, State}. + +handle_call(_Request, State) -> + Reply = ok, + {ok, Reply, State}. + +handle_info(_Info, State) -> + {ok, State}. + +terminate(_Reason, _State) -> + ok. + +code_change(_OldVsn, State, _Extra) -> + {ok, State}. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/gen_server_incorrect_args.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/gen_server_incorrect_args.erl new file mode 100644 index 0000000000..df04dff80d --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/gen_server_incorrect_args.erl @@ -0,0 +1,11 @@ +-module(gen_server_incorrect_args). + +-behaviour(gen_server). + +-export([handle_call/3]). + +handle_call(_Request, From, _State) -> + case From of + 'boo' -> {'ok'}; + 'foo' -> {'no'} + end. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/gen_server_missing_callbacks.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/gen_server_missing_callbacks.erl new file mode 100644 index 0000000000..760466fdac --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/gen_server_missing_callbacks.erl @@ -0,0 +1,23 @@ +-module(gen_server_missing_callbacks). + +-behaviour(gen_server). + +-export([start_link/0]). + +-export([init/1, handle_call/3, terminate/2, code_change/3]). + +start_link() -> + gen_server:start_link({local, myserver}, ?MODULE, [], []). + +init([]) -> + ignore. + +handle_call(_Request, _From, State) -> + Reply = ok, + {reply, Reply, State}. + +terminate(_Reason, _State) -> + ok. + +code_change(_OldVsn, State, _Extra) -> + {ok, State}. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_behaviour.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_behaviour.erl new file mode 100644 index 0000000000..116980986b --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_behaviour.erl @@ -0,0 +1,13 @@ +-module(sample_behaviour). + +-type custom() :: 1..42. + +-callback sample_callback_1() -> term(). +-callback sample_callback_2() -> atom(). +-callback sample_callback_3() -> {'ok', custom()} | 'fail'. + +-callback sample_callback_4(term()) -> 'ok'. +-callback sample_callback_5(custom()) -> 'ok' | 'fail'. + +-callback sample_callback_6(custom(), custom(), string()) -> + {'ok', custom()} | 'fail'. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_callback_correct.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_callback_correct.erl new file mode 100644 index 0000000000..ab0378e6f0 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_callback_correct.erl @@ -0,0 +1,32 @@ +-module(sample_callback_correct). + +-behaviour(sample_behaviour). + +-export([ + sample_callback_1/0, + sample_callback_2/0, + sample_callback_3/0, + sample_callback_4/1, + sample_callback_5/1, + sample_callback_6/3 + ]). + +sample_callback_1() -> 42. % This is a valid return. +sample_callback_2() -> foo. % This is a valid return. +sample_callback_3() -> {ok, 17}. % This is a valid return. +sample_callback_4(Input) -> + put(mine, Input+1), % This is valid handling of the input + ok. % This is a valid return. +sample_callback_5(Input) -> + case Input - 1 < 22 of % This is valid handling of the input + true -> ok; % This is a valid return. + false -> fail % This is a valid return. + end. +sample_callback_6(OldNr, NewNr, Reason) -> + Diff = NewNr - OldNr, % This is valid handling of the input + Msg = string:join(["Reason: ", Reason], ","), % This is valid handling of the input + case Diff > 0 of + true -> put(mine, {NewNr, Msg}), + {ok, NewNr}; % This is a valid return. + false -> fail % This is a valid return. + end. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_callback_correct_2.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_callback_correct_2.erl new file mode 100644 index 0000000000..c218174e58 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_callback_correct_2.erl @@ -0,0 +1,38 @@ +-module(sample_callback_correct_2). + +-behaviour(sample_behaviour). + +-export([ + sample_callback_1/0, + sample_callback_2/0, + sample_callback_3/0, + sample_callback_4/1, + sample_callback_5/1, + sample_callback_6/3, + common_infrastructure/1 + ]). + +sample_callback_1() -> 42. % This is a valid return. +sample_callback_2() -> halt(). % Crashes are also allowed. +sample_callback_3() -> {ok, 17}. % This is a valid return. +sample_callback_4(Input) -> + case Input of + 1 -> common_infrastructure(Input); % This is 'correct' input for + _ -> ok % common_infrastructure. + end. +sample_callback_5(Input) -> + case get(Input) of % This is valid handling of a more generic input + true -> ok; % This is a valid return. + false -> fail % This is a valid return. + end. +sample_callback_6(OldNr, NewNr, Reason) -> + Diff = NewNr - OldNr, % This is valid handling of the input + Msg = string:join(["Reason: ", Reason], ","), % This is valid handling of the input + case Diff > 0 of + true -> put(mine, {NewNr, Msg}), + {ok, NewNr}; % This is a valid return. + false -> fail % This is a valid return. + end. + +common_infrastructure( 1) -> 'ok'; +common_infrastructure(42) -> 'fail'. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_callback_wrong.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_callback_wrong.erl new file mode 100644 index 0000000000..430494c48c --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour/sample_callback_wrong.erl @@ -0,0 +1,26 @@ +-module(sample_callback_wrong). + +%% This attribute uses the american spelling of 'behaviour'. +-behavior(sample_behaviour). + +-export([ +% sample_callback_1/0, + sample_callback_2/0, + sample_callback_3/0, + sample_callback_4/1, + sample_callback_5/1, + sample_callback_6/3 + ]). + +% sample_callback_1() -> 41. % We can't really break this contract so: missing! +sample_callback_2() -> 42. % This is not an atom(). +sample_callback_3() -> fair. % This is probably a typo. +sample_callback_4(_) -> % We cannot break the input. + fail. % We can definitely return a wrong value however. :) +sample_callback_5(Input) -> % Input is treated as an atom, result is a list. + atom_to_list(Input). % Both violate the contract. +sample_callback_6(OldNr, NewNr, Reason) -> + Diff = NewNr - OldNr, % This is valid handling of the input + %% Reason should have been treated as a string. + Msg = string:join(["Reason: ", atom_to_list(Reason)], ","), + {okk, NewNr}. %% This, too, is a typo. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/correct_behaviour.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/correct_behaviour.erl new file mode 100644 index 0000000000..90ce590997 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/correct_behaviour.erl @@ -0,0 +1,6 @@ +%%% This is a behaviour with info about its calllbacks. + +-module(correct_behaviour). + +-callback foo() -> yes | no. +-callback bar({atom(),_},[_]) -> term(). diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/correct_callback.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/correct_callback.erl new file mode 100644 index 0000000000..8f254520ab --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/correct_callback.erl @@ -0,0 +1,15 @@ +%%% This is a correct callback module for the correct_behaviour. + +-module(correct_callback). + +-behaviour(correct_behaviour). + +-export([foo/0, bar/2]). + +foo() -> + yes. + +bar({'query', 'boo'}, _Any) -> + no; +bar({'reply', [_R]}, [1,2,3]) -> + yes. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/incorrect_args_callback.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/incorrect_args_callback.erl new file mode 100644 index 0000000000..68fc60d418 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/incorrect_args_callback.erl @@ -0,0 +1,13 @@ +%%% This is a correct callback module for the correct_behaviour. + +-module(incorrect_args_callback). + +-behaviour(correct_behaviour). + +-export([foo/0, bar/2]). + +foo() -> + yes. + +bar({'reply', _Any}, yes) -> %% Should be a tuple and a list. + yes. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/incorrect_return_callback.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/incorrect_return_callback.erl new file mode 100644 index 0000000000..9ff920cdd0 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/incorrect_return_callback.erl @@ -0,0 +1,15 @@ +%%% This is a correct callback module for the correct_behaviour. + +-module(incorrect_return_callback). + +-behaviour(correct_behaviour). + +-export([foo/0, bar/2]). + +foo() -> + error. %% Should be 'yes' or 'no'. + +bar({'query', 'boo'}, _Any) -> + no; +bar({'reply', [_R]}, [1,2,3]) -> + yes. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/missing_callback.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/missing_callback.erl new file mode 100644 index 0000000000..e6c5306839 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/sample_behaviour_old/missing_callback.erl @@ -0,0 +1,10 @@ +%%% This is a correct callback module for the correct_behaviour. + +-module(missing_callback). + +-behaviour(correct_behaviour). + +-export([bar/2]). + +bar({'reply', _Any}, []) -> + yes. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/supervisor_incorrect_return.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/supervisor_incorrect_return.erl new file mode 100644 index 0000000000..616a9073ae --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/supervisor_incorrect_return.erl @@ -0,0 +1,17 @@ +-module(supervisor_incorrect_return). + +-behaviour(supervisor). + +-export([start_link/0]). + +-export([init/1]). + +-define(SERVER, ?MODULE). + +start_link() -> + supervisor:start_link({local, ?SERVER}, ?MODULE, []). + +init([]) -> + AChild = {'AName',{'AModule',start_link,[]}, + permanent,2000,worker,['AModule']}, + {ok,{{one_against_one,0,1}, [AChild]}}. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/undefined_callbacks/undefined_beh_callback.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/undefined_callbacks/undefined_beh_callback.erl new file mode 100644 index 0000000000..8223225b4b --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/undefined_callbacks/undefined_beh_callback.erl @@ -0,0 +1,13 @@ +%%% This is a correct callback module for the correct_behaviour. + +-module(undefined_beh_callback). + +-behaviour(undefined_behaviour). + +-export([foo/0, bar/2]). + +foo() -> + yes. + +bar({'reply', _Any}, yes) -> + yes. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/undefined_callbacks/undefined_behaviour.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/undefined_callbacks/undefined_behaviour.erl new file mode 100644 index 0000000000..fb3d4c5e03 --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/undefined_callbacks/undefined_behaviour.erl @@ -0,0 +1,10 @@ +%%% This is a behaviour with undefined info about its calllbacks. + +-module(undefined_behaviour). + +-export([behaviour_info/1]). + +behaviour_info(callbacks) -> + [{foo, 0}, {bar, 2}]; +behaviour_info(_Other) -> + undefined. diff --git a/lib/dialyzer/test/behaviour_SUITE_data/src/vars_in_beh_spec.erl b/lib/dialyzer/test/behaviour_SUITE_data/src/vars_in_beh_spec.erl new file mode 100644 index 0000000000..dc75b30d0e --- /dev/null +++ b/lib/dialyzer/test/behaviour_SUITE_data/src/vars_in_beh_spec.erl @@ -0,0 +1,10 @@ +-module(vars_in_beh_spec). + +-behaviour(gen_server). + +-export([code_change/3]). + +-spec code_change(_, State, _) -> {ok, State}. + +code_change(_, State, _) -> + {ok, State}. diff --git a/lib/dialyzer/test/dialyzer_common.erl b/lib/dialyzer/test/dialyzer_common.erl index 51766a4604..d2b1026c06 100644 --- a/lib/dialyzer/test/dialyzer_common.erl +++ b/lib/dialyzer/test/dialyzer_common.erl @@ -216,10 +216,13 @@ get_suites(Dir) -> end. suffix(String, Suffix) -> - Index = string:rstr(String, Suffix), - case string:substr(String, Index) =:= Suffix of - true -> {yes, string:sub_string(String,1,Index-1)}; - false -> no + case string:rstr(String, Suffix) of + 0 -> no; + Index -> + case string:substr(String, Index) =:= Suffix of + true -> {yes, string:sub_string(String,1,Index-1)}; + false -> no + end end. -spec create_suite(string()) -> 'ok'. diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/crash b/lib/dialyzer/test/opaque_SUITE_data/results/crash index 6bdd934169..1ddae5149f 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/results/crash +++ b/lib/dialyzer/test/opaque_SUITE_data/results/crash @@ -1,5 +1,4 @@ -crash_1.erl:42: The specification for crash_1:empty/0 states that the function might also return crash_1:targetlist() but the inferred return is none() crash_1.erl:45: Record construction #targetlist{list::[]} violates the declared type of field list::'undefined' | crash_1:target() crash_1.erl:48: The call crash_1:get_using_branch2(Branch::maybe_improper_list(),L::'undefined' | crash_1:target()) contains an opaque term as 2nd argument when terms of different types are expected in these positions crash_1.erl:50: The pattern <_Branch, []> can never match the type <maybe_improper_list(),'undefined' | crash_1:target()> diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/multiple_wrong_opaques b/lib/dialyzer/test/opaque_SUITE_data/results/multiple_wrong_opaques new file mode 100644 index 0000000000..18ece8820c --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/results/multiple_wrong_opaques @@ -0,0 +1,2 @@ + +multiple_wrong_opaques.erl:5: Invalid type specification for function multiple_wrong_opaques:weird/1. The success typing is ('gazonk') -> 42 diff --git a/lib/dialyzer/test/opaque_SUITE_data/results/queue b/lib/dialyzer/test/opaque_SUITE_data/results/queue index 59ce33f098..c3f04ea64d 100644 --- a/lib/dialyzer/test/opaque_SUITE_data/results/queue +++ b/lib/dialyzer/test/opaque_SUITE_data/results/queue @@ -5,6 +5,7 @@ queue_use.erl:27: The attempt to match a term of type queue() against the patter queue_use.erl:33: Attempt to test for equality between a term of type {[42,...],[]} and a term of opaque type queue() queue_use.erl:36: The attempt to match a term of type queue() against the pattern {F, _R} breaks the opaqueness of the term queue_use.erl:40: The call queue:out({[42,...],[]}) does not have an opaque term of type queue() as 1st argument +queue_use.erl:48: The call queue_use:add_unique(42,#db{p::[],q::queue()}) contains an opaque term as 2nd argument when terms of different types are expected in these positions queue_use.erl:51: The call queue_use:is_in_queue(E::42,DB::#db{p::[],q::queue()}) contains an opaque term as 2nd argument when terms of different types are expected in these positions queue_use.erl:56: The attempt to match a term of type #db{p::[],q::queue()} against the pattern {'db', _, {L1, L2}} breaks the opaqueness of queue() queue_use.erl:62: The call queue_use:tuple_queue({42,'gazonk'}) does not have a term of type {_,queue()} (with opaque subterms) as 1st argument diff --git a/lib/dialyzer/test/opaque_SUITE_data/src/multiple_wrong_opaques.erl b/lib/dialyzer/test/opaque_SUITE_data/src/multiple_wrong_opaques.erl new file mode 100644 index 0000000000..9e695cec1d --- /dev/null +++ b/lib/dialyzer/test/opaque_SUITE_data/src/multiple_wrong_opaques.erl @@ -0,0 +1,8 @@ +-module(multiple_wrong_opaques). + +-export([weird/1]). + +-spec weird(dict() | gb_tree()) -> 42. + +weird(gazonk) -> 42. + diff --git a/lib/dialyzer/test/options1_SUITE_data/results/compiler b/lib/dialyzer/test/options1_SUITE_data/results/compiler index e82087ae86..6399e3e36b 100644 --- a/lib/dialyzer/test/options1_SUITE_data/results/compiler +++ b/lib/dialyzer/test/options1_SUITE_data/results/compiler @@ -20,6 +20,7 @@ cerl_inline.erl:2333: The pattern 'true' can never match the type 'false' cerl_inline.erl:2355: The pattern 'true' can never match the type 'false' cerl_inline.erl:238: The pattern 'true' can never match the type 'false' cerl_inline.erl:2436: Function filename/1 will never be called +cerl_inline.erl:244: Function counter_stats/0 will never be called cerl_inline.erl:2700: The pattern 'true' can never match the type 'false' cerl_inline.erl:2730: The pattern <{F, L, D}, Vs> can never match the type <[1..255,...],[any()]> cerl_inline.erl:2738: The pattern <{F, L, D}, Vs> can never match the type <[1..255,...],[any()]> diff --git a/lib/dialyzer/test/r9c_SUITE_data/results/inets b/lib/dialyzer/test/r9c_SUITE_data/results/inets index 0177dcc88c..773525eb7f 100644 --- a/lib/dialyzer/test/r9c_SUITE_data/results/inets +++ b/lib/dialyzer/test/r9c_SUITE_data/results/inets @@ -3,21 +3,16 @@ ftp.erl:1243: The pattern {'ok', {N, Bytes}} can never match the type 'eof' | {' ftp.erl:640: The pattern {'closed', _Why} can never match the type 'perm_fname_not_allowed' | 'perm_neg_compl' | 'perm_no_space' | 'pos_compl' | 'pos_interm' | 'pos_interm_acct' | 'trans_neg_compl' | 'trans_no_space' | {'error' | 'perm_fname_not_allowed' | 'perm_neg_compl' | 'perm_no_space' | 'pos_compl' | 'pos_interm' | 'pos_interm_acct' | 'pos_prel' | 'trans_neg_compl' | 'trans_no_space',atom() | [any()] | {'invalid_server_response',[any(),...]}} http.erl:117: The pattern {'error', Reason} can never match the type #req_headers{connection::[45 | 97 | 101 | 105 | 107 | 108 | 112 | 118,...],content_length::[48,...],other::[{_,_}]} http.erl:138: Function close_session/2 will never be called -http_lib.erl:286: The call http_lib:close('ip_comm' | {'ssl',_},port() | {'sslsocket',_,_}) will never return since it differs in the 1st argument from the success typing arguments: ('http' | 'https',port() | {'sslsocket',_,pid() | {_,{'config',_,_,_,_,{_,_,_,_}}} | {'sslsocket',_,pid() | {'sslsocket',_,pid() | {_,_,_}}}}) -http_lib.erl:415: The pattern 61 can never match the type 'http_eoh' | binary() | maybe_improper_list(any(),binary() | []) | {'http_error',binary() | string()} | #http_request{method::'DELETE' | 'GET' | 'HEAD' | 'OPTIONS' | 'POST' | 'PUT' | 'TRACE' | binary() | string(),path::'*' | binary() | string() | {'abs_path',binary() | string()} | {'scheme',binary() | string(),binary() | string()} | {'absoluteURI','http' | 'https',binary() | string(),'undefined' | non_neg_integer(),binary() | string()},version::{non_neg_integer(),non_neg_integer()}} | #http_response{version::{non_neg_integer(),non_neg_integer()},status::integer(),phrase::binary() | string()} | {'http_header',integer(),atom() | binary() | string(),_,binary() | string()} -http_lib.erl:417: The pattern 59 can never match the type 'http_eoh' | binary() | maybe_improper_list(any(),binary() | []) | {'http_error',binary() | string()} | #http_request{method::'DELETE' | 'GET' | 'HEAD' | 'OPTIONS' | 'POST' | 'PUT' | 'TRACE' | binary() | string(),path::'*' | binary() | string() | {'abs_path',binary() | string()} | {'scheme',binary() | string(),binary() | string()} | {'absoluteURI','http' | 'https',binary() | string(),'undefined' | non_neg_integer(),binary() | string()},version::{non_neg_integer(),non_neg_integer()}} | #http_response{version::{non_neg_integer(),non_neg_integer()},status::integer(),phrase::binary() | string()} | {'http_header',integer(),atom() | binary() | string(),_,binary() | string()} -http_lib.erl:420: The pattern 13 can never match the type 'http_eoh' | binary() | maybe_improper_list(any(),binary() | []) | {'http_error',binary() | string()} | #http_request{method::'DELETE' | 'GET' | 'HEAD' | 'OPTIONS' | 'POST' | 'PUT' | 'TRACE' | binary() | string(),path::'*' | binary() | string() | {'abs_path',binary() | string()} | {'scheme',binary() | string(),binary() | string()} | {'absoluteURI','http' | 'https',binary() | string(),'undefined' | non_neg_integer(),binary() | string()},version::{non_neg_integer(),non_neg_integer()}} | #http_response{version::{non_neg_integer(),non_neg_integer()},status::integer(),phrase::binary() | string()} | {'http_header',integer(),atom() | binary() | string(),_,binary() | string()} -http_lib.erl:424: The variable _ can never match since previous clauses completely covered the type 'http_eoh' | binary() | maybe_improper_list(any(),binary() | []) | {'http_error',binary() | string()} | #http_request{method::'DELETE' | 'GET' | 'HEAD' | 'OPTIONS' | 'POST' | 'PUT' | 'TRACE' | binary() | string(),path::'*' | binary() | string() | {'abs_path',binary() | string()} | {'scheme',binary() | string(),binary() | string()} | {'absoluteURI','http' | 'https',binary() | string(),'undefined' | non_neg_integer(),binary() | string()},version::{non_neg_integer(),non_neg_integer()}} | #http_response{version::{non_neg_integer(),non_neg_integer()},status::integer(),phrase::binary() | string()} | {'http_header',integer(),atom() | binary() | string(),_,binary() | string()} -http_lib.erl:428: Function read_chunk_ext_val/6 will never be called -http_lib.erl:444: The pattern 10 can never match the type 'http_eoh' | binary() | maybe_improper_list(any(),binary() | []) | {'http_error',binary() | string()} | #http_request{method::'DELETE' | 'GET' | 'HEAD' | 'OPTIONS' | 'POST' | 'PUT' | 'TRACE' | binary() | string(),path::'*' | binary() | string() | {'abs_path',binary() | string()} | {'scheme',binary() | string(),binary() | string()} | {'absoluteURI','http' | 'https',binary() | string(),'undefined' | non_neg_integer(),binary() | string()},version::{non_neg_integer(),non_neg_integer()}} | #http_response{version::{non_neg_integer(),non_neg_integer()},status::integer(),phrase::binary() | string()} | {'http_header',integer(),atom() | binary() | string(),_,binary() | string()} -http_lib.erl:552: Call to missing or unexported function ssl:accept/2 +http_lib.erl:286: The call http_lib:close('ip_comm' | {'ssl',_},any()) will never return since it differs in the 1st argument from the success typing arguments: ('http' | 'https',any()) +http_lib.erl:424: The variable _ can never match since previous clauses completely covered the type any() +http_lib.erl:438: The variable _ can never match since previous clauses completely covered the type any() http_lib.erl:99: Function getHeaderValue/2 will never be called httpc_handler.erl:660: Function exit_session_ok/2 has no local return +httpc_handler.erl:676: Function format_time/0 will never be called httpc_manager.erl:145: The pattern {ErrorReply, State2} can never match the type {{'ok',number()},number(),#state{reqid::number()}} httpc_manager.erl:160: The pattern {ErrorReply, State2} can never match the type {{'ok',number()},number(),#state{reqid::number()}} httpc_manager.erl:478: The pattern {'error', Reason} can never match the type 'ok' | {number(),#session{clientclose::boolean(),pipeline::[],quelength::1}} httpc_manager.erl:490: The pattern {'error', Reason} can never match the type 'ok' | {number(),#session{clientclose::boolean(),pipeline::[],quelength::1}} -httpd.erl:583: The pattern <{'error', Reason}, _Fd, SoFar> can never match the type <[any()],pid(),[[any(),...]]> httpd_acceptor.erl:105: The pattern {'error', Reason} can never match the type {'ok',pid()} httpd_acceptor.erl:110: Function handle_connection_err/4 will never be called httpd_acceptor.erl:168: Function report_error/2 will never be called @@ -26,14 +21,10 @@ httpd_manager.erl:885: The pattern {'EXIT', Reason} can never match since previo httpd_manager.erl:919: Function auth_status/1 will never be called httpd_manager.erl:926: Function sec_status/1 will never be called httpd_manager.erl:933: Function acceptor_status/1 will never be called -httpd_request_handler.erl:374: The call httpd_response:send_status(Info::#mod{parsed_header::maybe_improper_list()},417,[32 | 66 | 98 | 100 | 103 | 105 | 111 | 116 | 121,...]) will never return since it differs in the 2nd argument from the success typing arguments: (#mod{socket_type::'ip_comm' | {'ssl',_},socket::port() | {'sslsocket',_,_}},100 | 301 | 304 | 400 | 401 | 403 | 404 | 412 | 414 | 416 | 500 | 501 | 503,any()) -httpd_request_handler.erl:378: The call httpd_response:send_status(Info::#mod{parsed_header::maybe_improper_list()},417,[32 | 77 | 97 | 100 | 101 | 104 | 108 | 110 | 111 | 116 | 119,...]) will never return since it differs in the 2nd argument from the success typing arguments: (#mod{socket_type::'ip_comm' | {'ssl',_},socket::port() | {'sslsocket',_,_}},100 | 301 | 304 | 400 | 401 | 403 | 404 | 412 | 414 | 416 | 500 | 501 | 503,any()) -httpd_request_handler.erl:401: The call httpd_response:send_status(Info::#mod{parsed_header::maybe_improper_list()},417,[32 | 77 | 97 | 100 | 101 | 104 | 108 | 110 | 111 | 116 | 119,...]) will never return since it differs in the 2nd argument from the success typing arguments: (#mod{socket_type::'ip_comm' | {'ssl',_},socket::port() | {'sslsocket',_,_}},100 | 301 | 304 | 400 | 401 | 403 | 404 | 412 | 414 | 416 | 500 | 501 | 503,any()) -httpd_request_handler.erl:489: The variable Other can never match since previous clauses completely covered the type {'error',_} | {'ok','http_eoh' | binary() | maybe_improper_list(any(),binary() | []) | {'http_error',binary() | string()} | {'http_request','DELETE' | 'GET' | 'HEAD' | 'OPTIONS' | 'POST' | 'PUT' | 'TRACE' | binary() | string(),'*' | binary() | string() | {'abs_path',binary() | [any()]} | {'scheme',binary() | [any()],binary() | [any()]} | {'absoluteURI','http' | 'https',binary() | [any()],'undefined' | non_neg_integer(),binary() | [any()]},{non_neg_integer(),non_neg_integer()}} | {'http_response',{non_neg_integer(),non_neg_integer()},integer(),binary() | string()} | {'http_header',integer(),atom() | binary() | string(),_,binary() | string()}} -httpd_request_handler.erl:644: The call lists:reverse(Fields0::{'error',_} | {'ok',_}) will never return since it differs in the 1st argument from the success typing arguments: ([any()]) -httpd_request_handler.erl:645: Function will never be called -httpd_socket.erl:129: Call to missing or unexported function ssl:accept/2 -httpd_socket.erl:49: The pattern {'ok', _} can never match the type {'error',_} +httpd_request_handler.erl:374: The call httpd_response:send_status(Info::#mod{parsed_header::maybe_improper_list()},417,[32 | 66 | 98 | 100 | 103 | 105 | 111 | 116 | 121,...]) will never return since it differs in the 2nd argument from the success typing arguments: (#mod{socket_type::'ip_comm' | {'ssl',_}},100 | 301 | 304 | 400 | 401 | 403 | 404 | 412 | 414 | 416 | 500 | 501 | 503,any()) +httpd_request_handler.erl:378: The call httpd_response:send_status(Info::#mod{parsed_header::maybe_improper_list()},417,[32 | 77 | 97 | 100 | 101 | 104 | 108 | 110 | 111 | 116 | 119,...]) will never return since it differs in the 2nd argument from the success typing arguments: (#mod{socket_type::'ip_comm' | {'ssl',_}},100 | 301 | 304 | 400 | 401 | 403 | 404 | 412 | 414 | 416 | 500 | 501 | 503,any()) +httpd_request_handler.erl:401: The call httpd_response:send_status(Info::#mod{parsed_header::maybe_improper_list()},417,[32 | 77 | 97 | 100 | 101 | 104 | 108 | 110 | 111 | 116 | 119,...]) will never return since it differs in the 2nd argument from the success typing arguments: (#mod{socket_type::'ip_comm' | {'ssl',_}},100 | 301 | 304 | 400 | 401 | 403 | 404 | 412 | 414 | 416 | 500 | 501 | 503,any()) +httpd_request_handler.erl:649: Guard test [{_,_}] =:= Trailers::nonempty_string() can never succeed httpd_sup.erl:63: The variable Else can never match since previous clauses completely covered the type {'error',_} | {'ok',[any()],_,_} httpd_sup.erl:88: The pattern {'error', Reason} can never match the type {'ok',_,_} httpd_sup.erl:92: The variable Else can never match since previous clauses completely covered the type {'ok',_,_} @@ -48,10 +39,10 @@ mod_dir.erl:72: The pattern {'error', Reason} can never match the type {'ok',[[[ mod_get.erl:135: The pattern <{'enfile', _}, _Info, Path> can never match the type <atom(),#mod{},atom() | binary() | [atom() | [any()] | char()]> mod_head.erl:80: The pattern <{'enfile', _}, _Info, Path> can never match the type <atom(),#mod{},atom() | binary() | [atom() | [any()] | char()]> mod_htaccess.erl:460: The pattern {'error', BadData} can never match the type {'ok',_} -mod_include.erl:193: The pattern {_, Name, {[], []}} can never match the type {[any()],[any()],string()} -mod_include.erl:195: The pattern {_, Name, {PathInfo, []}} can never match the type {[any()],[any()],string()} -mod_include.erl:197: The pattern {_, Name, {PathInfo, QueryString}} can never match the type {[any()],[any()],string()} -mod_include.erl:201: The variable Gurka can never match since previous clauses completely covered the type {[any()],[any()],string()} +mod_include.erl:193: The pattern {_, Name, {[], []}} can never match the type {[any()],[any()],maybe_improper_list()} +mod_include.erl:195: The pattern {_, Name, {PathInfo, []}} can never match the type {[any()],[any()],maybe_improper_list()} +mod_include.erl:197: The pattern {_, Name, {PathInfo, QueryString}} can never match the type {[any()],[any()],maybe_improper_list()} +mod_include.erl:201: The variable Gurka can never match since previous clauses completely covered the type {[any()],[any()],maybe_improper_list()} mod_include.erl:692: The pattern <{'read', Reason}, Info, Path> can never match the type <{'open',atom()},#mod{},atom() | binary() | [atom() | [any()] | char()]> mod_include.erl:706: The pattern <{'enfile', _}, _Info, Path> can never match the type <atom(),#mod{},atom() | binary() | [atom() | [any()] | char()]> mod_include.erl:716: Function read_error/3 will never be called diff --git a/lib/dialyzer/test/r9c_SUITE_data/results/mnesia b/lib/dialyzer/test/r9c_SUITE_data/results/mnesia index 2be71ac7d7..b397d37523 100644 --- a/lib/dialyzer/test/r9c_SUITE_data/results/mnesia +++ b/lib/dialyzer/test/r9c_SUITE_data/results/mnesia @@ -2,6 +2,7 @@ mnesia.erl:1319: Guard test size(Spec::[{_,_,_},...]) can never succeed mnesia.erl:1498: The call mnesia:bad_info_reply(Tab::atom(),Item::'type') will never return since it differs in the 2nd argument from the success typing arguments: (atom(),'memory' | 'size') mnesia.erl:331: Function mod2abs/1 has no local return +mnesia_backup.erl:49: Callback info about the mnesia_backup behaviour is not available mnesia_bup.erl:111: The created fun has no local return mnesia_bup.erl:574: Function fallback_receiver/2 has no local return mnesia_bup.erl:967: Function uninstall_fallback_master/2 has no local return @@ -12,9 +13,12 @@ mnesia_controller.erl:1679: The pattern {'stop', Reason, Reply, State2} can neve mnesia_controller.erl:1685: The pattern {'noreply', State2, _Timeout} can never match the type {'reply',_,_} mnesia_event.erl:77: The pattern 'remove_handler' can never match the type {'ok',_} mnesia_event.erl:79: The pattern {'swap_handler', Args1, State1, Mod2, Args2} can never match the type {'ok',_} +mnesia_frag.erl:26: Callback info about the mnesia_access behaviour is not available mnesia_frag.erl:294: The call mnesia_frag:remote_collect(Ref::reference(),{'error',_},[],OldSelectFun::fun(() -> [any()])) will never return since it differs in the 2nd argument from the success typing arguments: (reference(),'ok',[any()],fun(() -> [any()])) mnesia_frag.erl:304: The call mnesia_frag:remote_collect(Ref::reference(),{'error',{'node_not_running',_}},[],OldSelectFun::fun(() -> [any()])) will never return since it differs in the 2nd argument from the success typing arguments: (reference(),'ok',[any()],fun(() -> [any()])) mnesia_frag.erl:312: The call mnesia_frag:remote_collect(Ref::reference(),LocalRes::{'error',_},[],OldSelectFun::fun(() -> [any()])) will never return since it differs in the 2nd argument from the success typing arguments: (reference(),'ok',[any()],fun(() -> [any()])) +mnesia_frag_hash.erl:24: Callback info about the mnesia_frag_hash behaviour is not available +mnesia_frag_old_hash.erl:23: Callback info about the mnesia_frag_hash behaviour is not available mnesia_index.erl:52: The call mnesia_lib:other_val(Var::{_,'commit_work' | 'index' | 'setorbag' | 'storage_type' | {'index',_}},_ReASoN_::any()) will never return since it differs in the 1st argument from the success typing arguments: ({_,'active_replicas' | 'where_to_read' | 'where_to_write'},any()) mnesia_lib.erl:1028: The pattern {'EXIT', Reason} can never match the type [any()] | {'error',_} mnesia_lib.erl:957: The pattern {'ok', {0, _}} can never match the type 'eof' | {'error',atom()} | {'ok',binary() | string()} diff --git a/lib/dialyzer/test/race_SUITE_data/results/ets_insert_args10 b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_args10 new file mode 100644 index 0000000000..c3c9b12bdd --- /dev/null +++ b/lib/dialyzer/test/race_SUITE_data/results/ets_insert_args10 @@ -0,0 +1,2 @@ + +ets_insert_args10.erl:9: The call ets:insert(T::'foo',[{'counter',number()},...]) might have an unintended effect due to a possible race condition caused by its combination with the ets:lookup(T::'foo','counter') call in ets_insert_args10.erl on line 8 diff --git a/lib/dialyzer/test/race_SUITE_data/src/ets_insert_args10.erl b/lib/dialyzer/test/race_SUITE_data/src/ets_insert_args10.erl new file mode 100644 index 0000000000..c897a34af0 --- /dev/null +++ b/lib/dialyzer/test/race_SUITE_data/src/ets_insert_args10.erl @@ -0,0 +1,19 @@ +%% This tests the presence of possible races due to an ets:lookup/ets:insert +%% combination. It takes into account the argument types of the calls. + +-module(ets_insert_args10). +-export([start/0]). + +start() -> + F = fun(T) -> [{_, N}] = ets:lookup(T, counter), + ets:insert(T, [{counter, N+1}]) + end, + io:format("Created ~w\n", [ets:new(foo, [named_table, public])]), + A = {counter, 0}, + B = [], + ets:insert(foo, [A|B]), + io:format("Inserted ~w\n", [{counter, 0}]), + F(foo), + io:format("Update complete\n", []), + ObjectList = ets:lookup(foo, counter), + io:format("Counter: ~w\n", [ObjectList]). diff --git a/lib/dialyzer/test/small_SUITE_data/results/cerl_hipeify b/lib/dialyzer/test/small_SUITE_data/results/cerl_hipeify index 87bf6f309f..06dc0d63ee 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/cerl_hipeify +++ b/lib/dialyzer/test/small_SUITE_data/results/cerl_hipeify @@ -1,4 +1,4 @@ cerl_hipeify.erl:370: Function will never be called -cerl_hipeify.erl:370: Guard test fun((none()) -> none()) =:= F::{_,_,_} | {_,_,_,_} | {_,_,_,_,_} | {_,_,_,_,_,_} | {_,_,_,_,_,_,_} can never succeed +cerl_hipeify.erl:370: Guard test fun((none()) -> no_return()) =:= F::{_,_,_} | {_,_,_,_} | {_,_,_,_,_} | {_,_,_,_,_,_} | {_,_,_,_,_,_,_} can never succeed cerl_hipeify.erl:641: Function env__new_function_name/2 will never be called diff --git a/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes new file mode 100644 index 0000000000..4850f3ff0c --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/contracts_with_subtypes @@ -0,0 +1,31 @@ + +contracts_with_subtypes.erl:106: The call contracts_with_subtypes:rec_arg({'a','b'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) +contracts_with_subtypes.erl:107: The call contracts_with_subtypes:rec_arg({'b','a'}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) +contracts_with_subtypes.erl:108: The call contracts_with_subtypes:rec_arg({'a',{'b','a'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) +contracts_with_subtypes.erl:109: The call contracts_with_subtypes:rec_arg({'b',{'a','b'}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) +contracts_with_subtypes.erl:110: The call contracts_with_subtypes:rec_arg({'a',{'b',{'a','b'}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) +contracts_with_subtypes.erl:111: The call contracts_with_subtypes:rec_arg({'b',{'a',{'b','a'}}}) breaks the contract (Arg) -> 'ok' when is_subtype(Arg,{'a',A} | {'b',B}), is_subtype(A,'a' | {'b',B}), is_subtype(B,'b' | {'a',A}) +contracts_with_subtypes.erl:142: The pattern 1 can never match the type binary() | string() +contracts_with_subtypes.erl:145: The pattern 'alpha' can never match the type {'ok',_} | {'ok',_,binary() | string()} +contracts_with_subtypes.erl:147: The pattern 42 can never match the type {'ok',_} | {'ok',_,binary() | string()} +contracts_with_subtypes.erl:163: The pattern 'alpha' can never match the type {'ok',X} +contracts_with_subtypes.erl:165: The pattern 42 can never match the type {'ok',X} +contracts_with_subtypes.erl:183: The pattern 'alpha' can never match the type {'ok',X} +contracts_with_subtypes.erl:185: The pattern 42 can never match the type {'ok',X} +contracts_with_subtypes.erl:202: The pattern 1 can never match the type binary() | string() +contracts_with_subtypes.erl:205: The pattern {'ok', _} can never match the type {'ok',X,binary() | string()} +contracts_with_subtypes.erl:206: The pattern 'alpha' can never match the type {'ok',X,binary() | string()} +contracts_with_subtypes.erl:207: The pattern {'ok', 42} can never match the type {'ok',X,binary() | string()} +contracts_with_subtypes.erl:208: The pattern 42 can never match the type {'ok',X,binary() | string()} +contracts_with_subtypes.erl:234: Function flat_ets_new_t/0 has no local return +contracts_with_subtypes.erl:235: The call contracts_with_subtypes:flat_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,'set' | 'ordered_set' | 'bag' | 'duplicate_bag' | 'public' | 'protected' | 'private' | 'named_table' | {'keypos',integer()} | {'heir',pid(),term()} | {'heir','none'} | {'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed') +contracts_with_subtypes.erl:23: Invalid type specification for function contracts_with_subtypes:extract2/0. The success typing is () -> 'something' +contracts_with_subtypes.erl:261: Function factored_ets_new_t/0 has no local return +contracts_with_subtypes.erl:262: The call contracts_with_subtypes:factored_ets_new(12,[]) breaks the contract (Name,Options) -> atom() when is_subtype(Name,atom()), is_subtype(Options,[Option]), is_subtype(Option,Type | Access | 'named_table' | {'keypos',Pos} | {'heir',Pid::pid(),HeirData} | {'heir','none'} | Tweaks), is_subtype(Type,type()), is_subtype(Access,access()), is_subtype(Tweaks,{'write_concurrency',boolean()} | {'read_concurrency',boolean()} | 'compressed'), is_subtype(Pos,pos_integer()), is_subtype(HeirData,term()) +contracts_with_subtypes.erl:77: The call contracts_with_subtypes:foo1(5) breaks the contract (Arg1) -> Res when is_subtype(Arg1,atom()), is_subtype(Res,atom()) +contracts_with_subtypes.erl:78: The call contracts_with_subtypes:foo2(5) breaks the contract (Arg1) -> Res when is_subtype(Arg1,Arg2), is_subtype(Arg2,atom()), is_subtype(Res,atom()) +contracts_with_subtypes.erl:79: The call contracts_with_subtypes:foo3(5) breaks the contract (Arg1) -> Res when is_subtype(Arg2,atom()), is_subtype(Arg1,Arg2), is_subtype(Res,atom()) +contracts_with_subtypes.erl:7: Invalid type specification for function contracts_with_subtypes:extract/0. The success typing is () -> 'something' +contracts_with_subtypes.erl:80: The call contracts_with_subtypes:foo4(5) breaks the contract (Type) -> Type when is_subtype(Type,atom()) +contracts_with_subtypes.erl:81: The call contracts_with_subtypes:foo5(5) breaks the contract (Type::atom()) -> Type::atom() +contracts_with_subtypes.erl:82: The call contracts_with_subtypes:foo6(5) breaks the contract (Type) -> Type when is_subtype(Type,atom()) diff --git a/lib/dialyzer/test/small_SUITE_data/results/higher_order_discrepancy b/lib/dialyzer/test/small_SUITE_data/results/higher_order_discrepancy new file mode 100644 index 0000000000..7ce440a60d --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/higher_order_discrepancy @@ -0,0 +1,4 @@ + +higher_order_discrepancy.erl:11: The call higher_order_discrepancy:g('foo') will never return since it differs in the 1st argument from the success typing arguments: ('bar') +higher_order_discrepancy.erl:14: Function g/1 has no local return +higher_order_discrepancy.erl:14: The pattern 'bar' can never match the type 'foo' diff --git a/lib/dialyzer/test/small_SUITE_data/results/higher_order_discrepancy_2 b/lib/dialyzer/test/small_SUITE_data/results/higher_order_discrepancy_2 new file mode 100644 index 0000000000..c1c7dbbfcc --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/higher_order_discrepancy_2 @@ -0,0 +1,8 @@ + +higher_order_discrepancy_2.erl:11: The call higher_order_discrepancy_2:f('foo') will never return since it differs in the 1st argument from the success typing arguments: ('bar') +higher_order_discrepancy_2.erl:11: The call higher_order_discrepancy_2:g('foo') will never return since it differs in the 1st argument from the success typing arguments: ('baz') +higher_order_discrepancy_2.erl:13: Function f/1 has no local return +higher_order_discrepancy_2.erl:13: The pattern 'bar' can never match the type 'foo' +higher_order_discrepancy_2.erl:14: Function g/1 has no local return +higher_order_discrepancy_2.erl:14: The pattern 'baz' can never match the type 'foo' +higher_order_discrepancy_2.erl:5: Function test/1 has no local return diff --git a/lib/dialyzer/test/small_SUITE_data/results/inf_loop2 b/lib/dialyzer/test/small_SUITE_data/results/inf_loop2 index 7e9972ad98..142e4b2c37 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/inf_loop2 +++ b/lib/dialyzer/test/small_SUITE_data/results/inf_loop2 @@ -1,4 +1,4 @@ inf_loop2.erl:18: Function test/0 has no local return inf_loop2.erl:19: The call lists:reverse('gazonk') will never return since it differs in the 1st argument from the success typing arguments: ([any()]) -inf_loop2.erl:22: Function loop/0 has no local return +inf_loop2.erl:22: Function loop/0 will never be called diff --git a/lib/dialyzer/test/small_SUITE_data/results/no_local_return b/lib/dialyzer/test/small_SUITE_data/results/no_local_return new file mode 100644 index 0000000000..6ca1ed51d8 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/results/no_local_return @@ -0,0 +1,3 @@ + +no_local_return.erl:11: Function bar/1 will never be called +no_local_return.erl:8: Function foo/0 will never be called diff --git a/lib/dialyzer/test/small_SUITE_data/results/port_info_test b/lib/dialyzer/test/small_SUITE_data/results/port_info_test index 9ee863f9eb..863a3d61df 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/port_info_test +++ b/lib/dialyzer/test/small_SUITE_data/results/port_info_test @@ -3,4 +3,5 @@ port_info_test.erl:10: The pattern {'connected', 42} can never match the type 'u port_info_test.erl:14: The pattern {'registered_name', "42"} can never match the type 'undefined' | {'registered_name',atom()} port_info_test.erl:19: The pattern {'output', 42} can never match the type 'undefined' | {'connected',pid()} port_info_test.erl:24: Guard test 'links' =:= Atom::'connected' can never succeed -port_info_test.erl:28: The pattern {'gazonk', _} can never match the type 'undefined' | {'connected' | 'id' | 'input' | 'links' | 'name' | 'output' | 'registered_name',atom() | pid() | [pid() | char()] | integer()} +port_info_test.erl:28: The pattern {'gazonk', _} can never match the type 'undefined' | {'connected' | 'id' | 'input' | 'links' | 'name' | 'os_pid' | 'output' | 'registered_name',atom() | pid() | [pid() | char()] | integer()} +port_info_test.erl:32: The pattern {'os_pid', "42"} can never match the type 'undefined' | {'os_pid','undefined' | non_neg_integer()} diff --git a/lib/dialyzer/test/small_SUITE_data/results/tuple_set_crash b/lib/dialyzer/test/small_SUITE_data/results/tuple_set_crash index 191d3d4173..8c9df56a4b 100644 --- a/lib/dialyzer/test/small_SUITE_data/results/tuple_set_crash +++ b/lib/dialyzer/test/small_SUITE_data/results/tuple_set_crash @@ -12,4 +12,3 @@ tuple_set_crash.erl:179: The pattern <<AudioVolume:16/integer-little-unit:1,Rest tuple_set_crash.erl:182: The pattern <<Delay:16/integer-little-unit:1,_Padding/binary-unit:8>> can never match the type <<_:8>> tuple_set_crash.erl:62: The pattern {'play_list', _Playlist} can never match the type 'ok' | {'device_properties',[{atom(),_}]} | {'error',[{atom(),_}]} tuple_set_crash.erl:64: The pattern {'error', 17} can never match the type 'ok' | {'device_properties',[{atom(),_}]} | {'error',[{atom(),_}]} -tuple_set_crash.erl:83: The specification for tuple_set_crash:parse_message/1 states that the function might also return {'media_item_url_reply',integer(),binary()} but the inferred return is 'ok' | {'audio_device_info' | 'audio_output_info' | 'audio_target_info' | 'device_properties' | 'error' | 'video_device_info' | 'video_output_info' | 'video_target_info',[{'address' | 'audio_volume' | 'controller_description' | 'controller_name' | 'controller_status' | 'device_id' | 'display_type' | 'fw_version' | 'master_volume' | 'model' | 'output_id' | 'status' | 'target_id',binary() | non_neg_integer()}] | 1..255} diff --git a/lib/dialyzer/test/small_SUITE_data/src/collapse_lists/a.erl b/lib/dialyzer/test/small_SUITE_data/src/collapse_lists/a.erl new file mode 100644 index 0000000000..7efe870b0d --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/collapse_lists/a.erl @@ -0,0 +1,9 @@ +-module(a). +-export([g/1]). + +-export_type([a/0, t/0]). +-type a() :: integer(). +-type t() :: a() | maybe_improper_list(t(), t()). + +-spec g(t()) -> t(). +g(X) -> X. diff --git a/lib/dialyzer/test/small_SUITE_data/src/collapse_lists/b.erl b/lib/dialyzer/test/small_SUITE_data/src/collapse_lists/b.erl new file mode 100644 index 0000000000..b08bc5e66c --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/collapse_lists/b.erl @@ -0,0 +1,5 @@ +-module(b). +-export([f/1]). + +-spec f(a:t()) -> a:t(). +f(X) -> a:g(X). diff --git a/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes.erl b/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes.erl new file mode 100644 index 0000000000..d72138d509 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/contracts_with_subtypes.erl @@ -0,0 +1,267 @@ +-module(contracts_with_subtypes). + +-compile(export_all). + +%=============================================================================== + +-spec extract() -> 'ok'. + +extract() -> + case dz_extract() of + {ok, Val} -> Val; + error -> exit(boom) + end. + +-spec dz_extract() -> RetValue when + FileList :: something, + RetValue :: {ok, FileList} | error. + +dz_extract() -> get(foo). + +%------------------------------------------------------------------------------- + +-spec extract2() -> 'ok'. + +extract2() -> + case dz_extract2() of + {ok, Val} -> Val; + error -> exit(boom) + end. + +-spec dz_extract2() -> RetValue when + RetValue :: {ok, FileList} | error, + FileList :: something. + +dz_extract2() -> get(foo). + +%=============================================================================== + +-spec foo1(Arg1) -> Res when + Arg1 :: atom(), + Res :: atom(). + +foo1(X) -> X. + +-spec foo2(Arg1) -> Res when + Arg1 :: Arg2, + Arg2 :: atom(), + Res :: atom(). + +foo2(X) -> X. + +-spec foo3(Arg1) -> Res when + Arg2 :: atom(), + Arg1 :: Arg2, + Res :: atom(). + +foo3(X) -> X. + +-spec foo4(Type) -> Type when is_subtype(Type, atom()). + +foo4(X) -> X. + +-spec foo5(Type :: atom()) -> Type :: atom(). + +foo5(X) -> X. + +-spec foo6(Type) -> Type when Type :: atom(). + +foo6(X) -> X. + +-spec foo7(Type) -> Type. + +foo7(X) -> X. + +%------------------------------------------------------------------------------- + +bar(1) -> foo1(5); +bar(2) -> foo2(5); +bar(3) -> foo3(5); +bar(4) -> foo4(5); +bar(5) -> foo5(5); +bar(6) -> foo6(5); +bar(7) -> foo7(5). + +wrong_foo6() -> + b = foo6(a). + +%=============================================================================== + +-spec rec_arg(Arg) -> ok when + Arg :: {a, A} | {b, B}, + A :: a | {b, B}, + B :: b | {a, A}. + +rec_arg(X) -> get(X). + +c(aa) -> rec_arg({a, a}); +c(bb) -> rec_arg({b, b}); +c(abb) -> rec_arg({a, {b, b}}); +c(baa) -> rec_arg({b, {a, a}}); +c(abaa) -> rec_arg({a, {b, {a, a}}}); +c(babb) -> rec_arg({b, {a, {b, b}}}); +c(ababb) -> rec_arg({a, {b, {a, {b, b}}}}); +c(babaa) -> rec_arg({b, {a, {b, {a, a}}}}). + +w(ab) -> rec_arg({a, b}); +w(ba) -> rec_arg({b, a}); +w(aba) -> rec_arg({a, {b, a}}); +w(bab) -> rec_arg({b, {a, b}}); +w(abab) -> rec_arg({a, {b, {a, b}}}); +w(baba) -> rec_arg({b, {a, {b, a}}}); +w(ababa) -> rec_arg({a, {b, {a, {b, a}}}}); +w(babab) -> rec_arg({b, {a, {b, {a, b}}}}). + +%=============================================================================== + +-type dublo(X) :: {X, X}. + +-type weird(X,Y) :: {X, Y, X, X}. + +-spec forfun(dublo(Var)) -> ok when Var :: atom(). + +forfun(_) -> ok. + +-spec forfun2(weird(Var, Var)) -> ok when Var :: atom(). + +forfun2(_) -> ok. + +%=============================================================================== + +-spec shallow(X) -> {ok, X} | {ok, X, file:filename()} | err1 | err2. + +shallow(X) -> get(X). + +st(X) when is_atom(X) -> + case shallow(X) of + err1 -> ok; + err2 -> ok; + {ok, X} -> ok; + {ok, X, Res} -> + case Res of + 1 -> bad; + _Other -> ok + end; + alpha -> bad; + {ok, 42} -> bad; + 42 -> bad + end. + +%------------------------------------------------------------------------------- + +-spec deep(X) -> Ret when + Ret :: {ok, X} | Err, + Err :: err1 | err2. + +deep(X) -> get(X). + +dt(X) when is_atom(X) -> + case deep(X) of + err1 -> ok; + err2 -> ok; + {ok, X} -> ok; + alpha -> bad; + {ok, 42} -> bad; + 42 -> bad + end. + +%------------------------------------------------------------------------------- + +-type local_errors() :: err1 | err2. + +-spec deep2(X) -> Ret when + Ret :: {ok, X} | Err, + Err :: local_errors(). + +deep2(X) -> get(X). + +dt2(X) when is_atom(X) -> + case deep2(X) of + err1 -> ok; + err2 -> ok; + {ok, X} -> ok; + alpha -> bad; + {ok, 42} -> bad; + 42 -> bad + end. + +%------------------------------------------------------------------------------- + +-spec deep3(X) -> Ret when + Ret :: {ok, X, file:filename()} | Err, + Err :: local_errors(). + +deep3(X) -> get(X). + +dt3(X) when is_atom(X) -> + case deep3(X) of + err1 -> ok; + err2 -> ok; + {ok, X, Res} -> + case Res of + 1 -> bad; + _Other -> ok + end; + {ok, X} -> bad; + alpha -> bad; + {ok, 42} -> bad; + 42 -> bad + end. + +%=============================================================================== + +-spec flat_ets_new(Name, Options) -> atom() when + Name :: atom(), + Options :: [Option], + Option :: set + | ordered_set + | bag + | duplicate_bag + | public + | protected + | private + | named_table + | {keypos, integer()} + | {heir, pid(), term()} + | {heir, none} + | {write_concurrency, boolean()} + | {read_concurrency, boolean()} + | compressed. + +flat_ets_new(Name, Options) -> + get({Name, Options}). + +flat_ets_new_t() -> + flat_ets_new(12,[]), + flat_ets_new({a,b},[]), + flat_ets_new(name,[foo]), + flat_ets_new(name,{bag}), + flat_ets_new(name,bag), + ok. + +-type access() :: public | protected | private. +-type type() :: set | ordered_set | bag | duplicate_bag. + +-spec factored_ets_new(Name, Options) -> atom() when + Name :: atom(), + Options :: [Option], + Option :: Type | Access | named_table | {keypos,Pos} + | {heir, Pid :: pid(), HeirData} | {heir, none} | Tweaks, + Type :: type(), + Access :: access(), + Tweaks :: {write_concurrency, boolean()} + | {read_concurrency, boolean()} + | compressed, + Pos :: pos_integer(), + HeirData :: term(). + +factored_ets_new(Name, Options) -> + get({Name, Options}). + +factored_ets_new_t() -> + factored_ets_new(12,[]), + factored_ets_new({a,b},[]), + factored_ets_new(name,[foo]), + factored_ets_new(name,{bag}), + factored_ets_new(name,bag), + ok. diff --git a/lib/dialyzer/test/small_SUITE_data/src/deep_lc.erl b/lib/dialyzer/test/small_SUITE_data/src/deep_lc.erl new file mode 100644 index 0000000000..d9ca0817d9 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/deep_lc.erl @@ -0,0 +1,14 @@ +-module(deep_lc). + +-export([t/0]). + +%% This is compile/test/lc_SUITE:deeply_nested/1 +%% +%% Used to be _very_ slow. Unknown how slow, but more than 15 hours. + +t() -> + [[X1,X2,X3,X4,X5,X6,X7(),X8,X9,X10,X11,X12,X13,X14,X15,X16,X17,X18(),X19,X20] || + X1 <- [99],X2 <- [98],X3 <- [97],X4 <- [96],X5 <- [42],X6 <- [17], + X7 <- [fun() -> X5*X5 end],X8 <- [12],X9 <- [11],X10 <- [10], + X11 <- [9],X12 <- [8],X13 <- [7],X14 <- [6],X15 <- [5], + X16 <- [4],X17 <- [3],X18 <- [fun() -> X16+X17 end],X19 <- [2],X20 <- [1]]. diff --git a/lib/dialyzer/test/small_SUITE_data/src/higher_order_discrepancy.erl b/lib/dialyzer/test/small_SUITE_data/src/higher_order_discrepancy.erl new file mode 100644 index 0000000000..ff5ee6bac4 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/higher_order_discrepancy.erl @@ -0,0 +1,14 @@ +-module(higher_order_discrepancy). + +-export([test/1]). + +test(X) -> + F = + case X of + 1 -> fun f/1; + 2 -> fun g/1 + end, + F(foo). + +f(foo) -> ok. +g(bar) -> ok. diff --git a/lib/dialyzer/test/small_SUITE_data/src/higher_order_discrepancy_2.erl b/lib/dialyzer/test/small_SUITE_data/src/higher_order_discrepancy_2.erl new file mode 100644 index 0000000000..4b0d4f6b45 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/higher_order_discrepancy_2.erl @@ -0,0 +1,14 @@ +-module(higher_order_discrepancy_2). + +-export([test/1]). + +test(X) -> + F = + case X of + 1 -> fun f/1; + 2 -> fun g/1 + end, + F(foo). + +f(bar) -> ok. +g(baz) -> ok. diff --git a/lib/dialyzer/test/small_SUITE_data/src/maybe_improper.erl b/lib/dialyzer/test/small_SUITE_data/src/maybe_improper.erl new file mode 100644 index 0000000000..1743d81493 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/maybe_improper.erl @@ -0,0 +1,7 @@ +-module(maybe_improper). + +-export([s/1]). + +-spec s(maybe_improper_list(X,Y)) -> {[X], maybe_improper_list(X,Y)}. +s(A) -> + lists:split(2,A). diff --git a/lib/dialyzer/test/small_SUITE_data/src/maybe_servers.erl b/lib/dialyzer/test/small_SUITE_data/src/maybe_servers.erl new file mode 100644 index 0000000000..237f43b1a6 --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/maybe_servers.erl @@ -0,0 +1,31 @@ +-module(maybe_servers). + +-export([maybe_server/2, mirror_maybe_server/2]). + +maybe_server(O, I) -> + case O of + no -> + maybe_loop(fun(_) -> fin end, I); + yes -> + maybe_loop(fun(X) -> {ok, X} end, I) + end. + +maybe_loop(F, X)-> + case F(X) of + {ok, Y} -> maybe_loop(F, Y); + fin -> exit(n) + end. + +mirror_maybe_loop(F, X)-> + case F(X) of + {ok, Y} -> mirror_maybe_loop(F, Y); + fin -> exit(n) + end. + +mirror_maybe_server(O, I) -> + case O of + no -> + mirror_maybe_loop(fun(_) -> fin end, I); + yes -> + mirror_maybe_loop(fun(X) -> {ok, X} end, I) + end. diff --git a/lib/dialyzer/test/small_SUITE_data/src/no_local_return.erl b/lib/dialyzer/test/small_SUITE_data/src/no_local_return.erl new file mode 100644 index 0000000000..4e1a0b015a --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/no_local_return.erl @@ -0,0 +1,12 @@ +-module(no_local_return). + +%% NOTE: No function is exported. Dialyzer produced a bogus +%% 'Function foo/0 has no local return' warning +%% when in fact typer was finding correct return values for both +%% these functions. + +foo() -> + bar(42). + +bar(X) -> + lists:duplicate(X, gazonk). diff --git a/lib/dialyzer/test/small_SUITE_data/src/on_load.erl b/lib/dialyzer/test/small_SUITE_data/src/on_load.erl new file mode 100644 index 0000000000..16533a9caa --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/on_load.erl @@ -0,0 +1,11 @@ +%%% This is to ensure that "on_load" functions are never reported as unused. + +-module(on_load). + +-export([foo/0]). + +-on_load(bar/0). + +foo() -> ok. + +bar() -> ok. diff --git a/lib/dialyzer/test/small_SUITE_data/src/port_info_test.erl b/lib/dialyzer/test/small_SUITE_data/src/port_info_test.erl index 2ee9a3a6e2..07f22256c9 100644 --- a/lib/dialyzer/test/small_SUITE_data/src/port_info_test.erl +++ b/lib/dialyzer/test/small_SUITE_data/src/port_info_test.erl @@ -3,7 +3,7 @@ %% and the quality of the warnings that Dialyzer spits out %% -module(port_info_test). --export([t1/1, t2/1, t3/1, t4/1, t5/2, buggy/1]). +-export([t1/1, t2/1, t3/1, t4/1, t5/2, t6/1, buggy/1]). %% The following errors are correctly caught, but the messages are a bit weird t1(X) when is_port(X) -> @@ -28,6 +28,10 @@ t5(X, Atom) when is_port(X) -> {gazonk, _} = erlang:port_info(X, Atom); t5(_, _) -> ok. +t6(X) when is_port(X) -> + {os_pid, "42"} = erlang:port_info(X, os_pid); +t6(_) -> ok. + %% The type system is not strong enough to catch the following errors buggy(X) when is_atom(X) -> {links, X} = erlang:port_info(foo, X). diff --git a/lib/dialyzer/test/small_SUITE_data/src/remote_tuple_set.erl b/lib/dialyzer/test/small_SUITE_data/src/remote_tuple_set.erl new file mode 100644 index 0000000000..6c440ed04c --- /dev/null +++ b/lib/dialyzer/test/small_SUITE_data/src/remote_tuple_set.erl @@ -0,0 +1,8 @@ +-module(remote_tuple_set). + +-export([parse_cidr/0]). + +-spec parse_cidr() -> {inet:address_family(),1,2} | {error}. + +parse_cidr() -> + {inet,1,2}. diff --git a/lib/dialyzer/test/underspecs_SUITE_data/dialyzer_options b/lib/dialyzer/test/underspecs_SUITE_data/dialyzer_options new file mode 100644 index 0000000000..f7197ac30f --- /dev/null +++ b/lib/dialyzer/test/underspecs_SUITE_data/dialyzer_options @@ -0,0 +1 @@ +{dialyzer_options, [{warnings, [underspecs]}]}. diff --git a/lib/dialyzer/test/underspecs_SUITE_data/results/remote b/lib/dialyzer/test/underspecs_SUITE_data/results/remote new file mode 100644 index 0000000000..1e0cda3bde --- /dev/null +++ b/lib/dialyzer/test/underspecs_SUITE_data/results/remote @@ -0,0 +1,9 @@ + +remotes1.erl:17: The specification for remotes1:foo5/1 states that the function might also return 'ko' but the inferred return is 'ok' +remotes1.erl:20: Type specification remotes1:foo6('ok' | 'ko') -> 'ok' is a supertype of the success typing: remotes1:foo6('ok') -> 'ok' +remotes1.erl:25: The specification for remotes1:foo7/1 states that the function might also return 'ko' but the inferred return is 'ok' +remotes1.erl:28: Type specification remotes1:foo8(local_type_42()) -> 'ok' is a supertype of the success typing: remotes1:foo8('ok') -> 'ok' +remotes1.erl:33: The specification for remotes1:foo9/1 states that the function might also return 'ko' but the inferred return is 'ok' +remotes1.erl:36: Type specification remotes1:foo10(local_and_known_remote_type_42()) -> 'ok' is a supertype of the success typing: remotes1:foo10('ok') -> 'ok' +remotes1.erl:49: Type specification remotes1:foo13('ok') -> local_and_unknown_remote_type_42() is a supertype of the success typing: remotes1:foo13('ok') -> 'ok' +remotes1.erl:52: Type specification remotes1:foo14(local_and_unknown_remote_type_42()) -> 'ok' is a supertype of the success typing: remotes1:foo14('ok') -> 'ok' diff --git a/lib/dialyzer/test/underspecs_SUITE_data/src/remote/remotes1.erl b/lib/dialyzer/test/underspecs_SUITE_data/src/remote/remotes1.erl new file mode 100644 index 0000000000..b722495095 --- /dev/null +++ b/lib/dialyzer/test/underspecs_SUITE_data/src/remote/remotes1.erl @@ -0,0 +1,61 @@ +-module(remotes1). + +-compile(export_all). + +-spec foo1(some_unknown_remote:type42()) -> ok. +foo1(ok) -> ok. + +-spec foo2(ok) -> some_unknown_remote:type42(). +foo2(ok) -> ok. + +-spec foo3(some_known_remote:type42()) -> ok. +foo3(ok) -> ok. + +-spec foo4(ok) -> some_known_remote:type42(). +foo4(ok) -> ok. + +-spec foo5(ok|ko) -> ok|ko. +foo5(ok) -> ok. + +-spec foo6(ok|ko) -> ok. +foo6(ok) -> ok. + +-type local_type_42() :: ok | ko. + +-spec foo7(ok) -> local_type_42(). +foo7(ok) -> ok. + +-spec foo8(local_type_42()) -> ok. +foo8(ok) -> ok. + +-type local_and_known_remote_type_42() :: some_known_remote:type42() | ok | ko. + +-spec foo9(ok) -> local_and_known_remote_type_42(). +foo9(ok) -> ok. + +-spec foo10(local_and_known_remote_type_42()) -> ok. +foo10(ok) -> ok. + +-type local_and_ok_known_remote_type_42() :: some_known_remote:type42() | ok. + +-spec foo11(ok) -> local_and_ok_known_remote_type_42(). +foo11(ok) -> ok. + +-spec foo12(local_and_ok_known_remote_type_42()) -> ok. +foo12(ok) -> ok. + +-type local_and_unknown_remote_type_42() :: some_unknown_remote:type42() | ok | ko. + +-spec foo13(ok) -> local_and_unknown_remote_type_42(). +foo13(ok) -> ok. + +-spec foo14(local_and_unknown_remote_type_42()) -> ok. +foo14(ok) -> ok. + +-type local_and_ok_unknown_remote_type_42() :: some_unknown_remote:type42() | ok. + +-spec foo15(ok) -> local_and_ok_unknown_remote_type_42(). +foo15(ok) -> ok. + +-spec foo16(local_and_ok_unknown_remote_type_42()) -> ok. +foo16(ok) -> ok. diff --git a/lib/dialyzer/test/underspecs_SUITE_data/src/remote/some_known_remote.erl b/lib/dialyzer/test/underspecs_SUITE_data/src/remote/some_known_remote.erl new file mode 100644 index 0000000000..437f1e7826 --- /dev/null +++ b/lib/dialyzer/test/underspecs_SUITE_data/src/remote/some_known_remote.erl @@ -0,0 +1,5 @@ +-module(some_known_remote). + +-export_type([type42/0]). + +-type type42() :: ok | ko. diff --git a/lib/dialyzer/test/user_SUITE_data/results/nowarn_unused_function_1 b/lib/dialyzer/test/user_SUITE_data/results/nowarn_unused_function_1 new file mode 100644 index 0000000000..de416455e2 --- /dev/null +++ b/lib/dialyzer/test/user_SUITE_data/results/nowarn_unused_function_1 @@ -0,0 +1,2 @@ + +nowarn_unused_function_1.erl:17: Function f3/1 will never be called diff --git a/lib/dialyzer/test/user_SUITE_data/results/nowarn_unused_function_2 b/lib/dialyzer/test/user_SUITE_data/results/nowarn_unused_function_2 new file mode 100644 index 0000000000..e69de29bb2 --- /dev/null +++ b/lib/dialyzer/test/user_SUITE_data/results/nowarn_unused_function_2 diff --git a/lib/dialyzer/test/user_SUITE_data/results/nowarn_unused_function_3 b/lib/dialyzer/test/user_SUITE_data/results/nowarn_unused_function_3 new file mode 100644 index 0000000000..8ae78673d5 --- /dev/null +++ b/lib/dialyzer/test/user_SUITE_data/results/nowarn_unused_function_3 @@ -0,0 +1,3 @@ + +nowarn_unused_function_3.erl:12: Function f2/1 will never be called +nowarn_unused_function_3.erl:9: Function f1/1 will never be called diff --git a/lib/dialyzer/test/user_SUITE_data/src/nowarn_unused_function_1.erl b/lib/dialyzer/test/user_SUITE_data/src/nowarn_unused_function_1.erl new file mode 100644 index 0000000000..fcce532f73 --- /dev/null +++ b/lib/dialyzer/test/user_SUITE_data/src/nowarn_unused_function_1.erl @@ -0,0 +1,18 @@ +%% Test that option 'nowarn_unused_funcion' works similarly in +%% Dialyzer as in the compiler. + +-module(nowarn_unused_function_1). + +-compile(warn_unused_function). + +-compile({nowarn_unused_function,f1/1}). +f1(_) -> + a. + +-compile({nowarn_unused_function,[{f2,1}]}). +f2(_) -> + a. + +-compile({warn_unused_function,[{f3,1}]}). +f3(_) -> + a. diff --git a/lib/dialyzer/test/user_SUITE_data/src/nowarn_unused_function_2.erl b/lib/dialyzer/test/user_SUITE_data/src/nowarn_unused_function_2.erl new file mode 100644 index 0000000000..9bc3ab14ea --- /dev/null +++ b/lib/dialyzer/test/user_SUITE_data/src/nowarn_unused_function_2.erl @@ -0,0 +1,18 @@ +%% Test that option 'nowarn_unused_funcion' works similarly in +%% Dialyzer as in the compiler. + +-module(nowarn_unused_function_2). + +-compile(nowarn_unused_function). + +-compile({warn_unused_function,f1/1}). +f1(_) -> + a. + +-compile({warn_unused_function,[{f2,1}]}). +f2(_) -> + a. + +-compile({nowarn_unused_function,[{f3,1}]}). +f3(_) -> + a. diff --git a/lib/dialyzer/test/user_SUITE_data/src/nowarn_unused_function_3.erl b/lib/dialyzer/test/user_SUITE_data/src/nowarn_unused_function_3.erl new file mode 100644 index 0000000000..604c5e436b --- /dev/null +++ b/lib/dialyzer/test/user_SUITE_data/src/nowarn_unused_function_3.erl @@ -0,0 +1,16 @@ +%% Test that option 'nowarn_unused_funcion' works similarly in +%% Dialyzer as in the compiler. + +-module(nowarn_unused_function_3). + +-compile({warn_unused_function,[{f1,1},{f2,1}]}). +-compile({nowarn_unused_function,[{f3,1}]}). + +f1(_) -> + a. + +f2(_) -> + a. + +f3(_) -> + a. diff --git a/lib/dialyzer/vsn.mk b/lib/dialyzer/vsn.mk index a7e82b54ce..f344fe0604 100644 --- a/lib/dialyzer/vsn.mk +++ b/lib/dialyzer/vsn.mk @@ -1 +1 @@ -DIALYZER_VSN = 2.4.4 +DIALYZER_VSN = 2.5.3 |