From 31a445925408bdeea5d1b157d39756b5b7b1b165 Mon Sep 17 00:00:00 2001 From: Hans Bolinder Date: Tue, 31 Mar 2015 10:22:39 +0200 Subject: dialyzer: Update the PLT properly when a module is changed Thanks to James Fish for the bug report, and to Stavros Aronis for fixing the bug. --- lib/dialyzer/src/dialyzer_cl.erl | 4 +-- lib/dialyzer/test/plt_SUITE.erl | 64 ++++++++++++++++++++++++++++++++++++++-- 2 files changed, 63 insertions(+), 5 deletions(-) (limited to 'lib/dialyzer') diff --git a/lib/dialyzer/src/dialyzer_cl.erl b/lib/dialyzer/src/dialyzer_cl.erl index debb78bd0b..fe4ec41359 100644 --- a/lib/dialyzer/src/dialyzer_cl.erl +++ b/lib/dialyzer/src/dialyzer_cl.erl @@ -2,7 +2,7 @@ %%------------------------------------------------------------------- %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2006-2014. All Rights Reserved. +%% Copyright Ericsson AB 2006-2015. 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 @@ -469,7 +469,7 @@ expand_dependent_modules(Md5, DiffMd5, ModDeps) -> Mod = list_to_atom(filename:basename(File, ".beam")), sets:is_element(Mod, AnalyzeMods) end, - {[F || {F, _} <- Md5, FilterFun(F)], RemovedMods, NewModDeps}. + {[F || {F, _} <- Md5, FilterFun(F)], BigSet, NewModDeps}. expand_dependent_modules_1([Mod|Mods], Included, ModDeps) -> case dict:find(Mod, ModDeps) of diff --git a/lib/dialyzer/test/plt_SUITE.erl b/lib/dialyzer/test/plt_SUITE.erl index aee9f449a6..0b8c6dec21 100644 --- a/lib/dialyzer/test/plt_SUITE.erl +++ b/lib/dialyzer/test/plt_SUITE.erl @@ -1,17 +1,17 @@ %% This suite is the only hand made and simply -%% checks if we can build a plt. +%% checks if we can build and update a plt. -module(plt_SUITE). -include_lib("common_test/include/ct.hrl"). -include("dialyzer_test_constants.hrl"). --export([suite/0, all/0, build_plt/1]). +-export([suite/0, all/0, build_plt/1, update_plt/1]). suite() -> [{timetrap, ?plt_timeout}]. -all() -> [build_plt]. +all() -> [build_plt, update_plt]. build_plt(Config) -> OutDir = ?config(priv_dir, Config), @@ -19,3 +19,61 @@ build_plt(Config) -> ok -> ok; fail -> ct:fail(plt_build_fail) end. + +%%% [James Fish:] +%%% If a function is removed from a module and the module has previously +%%% been added to a PLT, the function will not be removed from PLT when +%%% the PLT is checked. This results in dialyzer failing to produce a +%%% callgraph warning when doing success typings analysis if the remove +%%% function is still called in another module +%%% As the function is not removed from the PLT a prior warning, such as a +%%% contract types warning, might be emitted when the removed function +%%% nolonger exists. +update_plt(Config) -> + PrivDir = ?config(priv_dir, Config), + Prog1 = <<"-module(plt_gc). + -export([one/0]). + one() -> + one.">>, + {ok, Beam} = compile(Config, Prog1, plt_gc, []), + + ErlangBeam = case code:where_is_file("erlang.beam") of + non_existing -> + filename:join([code:root_dir(), + "erts", "preloaded", "ebin", + "erlang.beam"]); + EBeam -> + EBeam + end, + Plt = filename:join(PrivDir, "plt_gc.plt"), + Opts = [{check_plt, true}, {from, byte_code}], + [] = dialyzer:run([{analysis_type, plt_build}, + {files, [Beam, ErlangBeam]}, + {output_plt, Plt}] ++ Opts), + + Prog2 = <<"-module(plt_gc). + -export([two/0]). + two() -> + two.">>, + {ok, Beam} = compile(Config, Prog2, plt_gc, []), + + Test = <<"-module(test). + -export([test/0]). + -spec test() -> test. + test() -> + plt_gc:one().">>, + {ok, TestBeam} = compile(Config, Test, test, []), + [{warn_callgraph, _, {call_to_missing, [plt_gc, one, 0]}}] = + dialyzer:run([{analysis_type, succ_typings}, + {files, [TestBeam]}, + {init_plt, Plt}] ++ Opts), + ok. + +compile(Config, Prog, Module, CompileOpts) -> + Source = lists:concat([Module, ".erl"]), + PrivDir = ?config(priv_dir,Config), + Filename = filename:join([PrivDir, Source]), + ok = file:write_file(Filename, Prog), + Opts = [{outdir, PrivDir}, debug_info | CompileOpts], + {ok, Module} = compile:file(Filename, Opts), + {ok, filename:join([PrivDir, lists:concat([Module, ".beam"])])}. -- cgit v1.2.3 From 3382224b67fe4f1aa8018a97cd159ad5089ba555 Mon Sep 17 00:00:00 2001 From: Hans Bolinder Date: Thu, 2 Apr 2015 16:13:19 +0200 Subject: dialyzer: Move a testcase to plt_SUITE --- lib/dialyzer/test/dialyzer_SUITE.erl | 41 +++--------------------------------- lib/dialyzer/test/plt_SUITE.erl | 30 ++++++++++++++++++++++++-- 2 files changed, 31 insertions(+), 40 deletions(-) (limited to 'lib/dialyzer') diff --git a/lib/dialyzer/test/dialyzer_SUITE.erl b/lib/dialyzer/test/dialyzer_SUITE.erl index 8507525597..f625d12b45 100644 --- a/lib/dialyzer/test/dialyzer_SUITE.erl +++ b/lib/dialyzer/test/dialyzer_SUITE.erl @@ -1,7 +1,7 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 2014. All Rights Reserved. +%% Copyright Ericsson AB 2015. 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 @@ -30,12 +30,12 @@ -export([init_per_testcase/2, end_per_testcase/2]). %% Test cases must be exported. --export([app_test/1, appup_test/1, beam_tests/1]). +-export([app_test/1, appup_test/1]). suite() -> [{ct_hooks,[ts_install_cth]}]. all() -> - [app_test, appup_test, beam_tests]. + [app_test, appup_test]. groups() -> []. @@ -75,38 +75,3 @@ app_test(Config) when is_list(Config) -> %% Test that the .appup file does not contain any `basic' errors appup_test(Config) when is_list(Config) -> ok = ?t:appup_test(dialyzer). - -beam_tests(Config) when is_list(Config) -> - Prog = <<" - -module(no_auto_import). - - %% Copied from erl_lint_SUITE.erl, clash6 - - -export([size/1]). - - size([]) -> - 0; - size({N,_}) -> - N; - size([_|T]) -> - 1+size(T). - ">>, - Opts = [no_auto_import], - {ok, BeamFile} = compile(Config, Prog, no_auto_import, Opts), - [] = run_dialyzer([BeamFile]), - ok. - -compile(Config, Prog, Module, CompileOpts) -> - Source = lists:concat([Module, ".erl"]), - PrivDir = ?config(priv_dir,Config), - Filename = filename:join([PrivDir, Source]), - ok = file:write_file(Filename, Prog), - Opts = [{outdir, PrivDir}, debug_info | CompileOpts], - {ok, Module} = compile:file(Filename, Opts), - {ok, filename:join([PrivDir, lists:concat([Module, ".beam"])])}. - -run_dialyzer(Files) -> - dialyzer:run([{analysis_type, plt_build}, - {files, Files}, - {from, byte_code}, - {check_plt, false}]). diff --git a/lib/dialyzer/test/plt_SUITE.erl b/lib/dialyzer/test/plt_SUITE.erl index 0b8c6dec21..ef4cdc57f0 100644 --- a/lib/dialyzer/test/plt_SUITE.erl +++ b/lib/dialyzer/test/plt_SUITE.erl @@ -6,12 +6,12 @@ -include_lib("common_test/include/ct.hrl"). -include("dialyzer_test_constants.hrl"). --export([suite/0, all/0, build_plt/1, update_plt/1]). +-export([suite/0, all/0, build_plt/1, beam_tests/1, update_plt/1]). suite() -> [{timetrap, ?plt_timeout}]. -all() -> [build_plt, update_plt]. +all() -> [build_plt, beam_tests, update_plt]. build_plt(Config) -> OutDir = ?config(priv_dir, Config), @@ -20,6 +20,32 @@ build_plt(Config) -> fail -> ct:fail(plt_build_fail) end. +beam_tests(Config) when is_list(Config) -> + Prog = <<" + -module(no_auto_import). + + %% Copied from erl_lint_SUITE.erl, clash6 + + -export([size/1]). + + size([]) -> + 0; + size({N,_}) -> + N; + size([_|T]) -> + 1+size(T). + ">>, + Opts = [no_auto_import], + {ok, BeamFile} = compile(Config, Prog, no_auto_import, Opts), + [] = run_dialyzer([BeamFile]), + ok. + +run_dialyzer(Files) -> + dialyzer:run([{analysis_type, plt_build}, + {files, Files}, + {from, byte_code}, + {check_plt, false}]). + %%% [James Fish:] %%% If a function is removed from a module and the module has previously %%% been added to a PLT, the function will not be removed from PLT when -- cgit v1.2.3