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2018-02-05dialyzer: Do not call erlang:get_stacktrace()Hans Bolinder
2018-01-19Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Fix bsl/2 bug
2018-01-12dialyzer: Fix bsl/2 bugHans Bolinder
Also modified erl_bif_types:infinity_bsl() when called with zero as first argument. As of writing this, erlang:'bsl'/2 is modified on the master branch to never fail if called with a huge second argument.
2018-01-10Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Add a test of erl_tar:table/1,2 Fix false Dialyzer warnings for erl_tar:table/1
2018-01-09dialyzer: Add a test of erl_tar:table/1,2Hans Bolinder
2018-01-09Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Correct handling of erlang:abs/1
2018-01-08dialyzer: Correct handling of erlang:abs/1Hans Bolinder
See also https://bugs.erlang.org/browse/ERL-551.
2017-11-28Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Extend the map implementation's handling of ?unit dialyzer: Use string:find() instead of string:str()
2017-11-22dialyzer: Extend the map implementation's handling of ?unitHans Bolinder
The Maps implementation handles ?unit in more cases. Exactly when t_is_none_or_unit() is to be called is not clear to me. The added cases are about a map type being ?unit, but the key or the value of an association can also be ?unit, but that is not always checked.
2017-11-22dialyzer: Use string:find() instead of string:str()Hans Bolinder
2017-11-20Merge branch 'lukas/stdlib/maps_iterators/OTP-14012'Lukas Larsson
* lukas/stdlib/maps_iterators/OTP-14012: erts: Limit size of first iterator for hashmaps Update primary bootstrap Update preloaded modules erts: Remove erts_internal:maps_to_list/2 stdlib: Make io_lib and io_lib_pretty use maps iterator erts: Implement batching maps:iterator erts: Implement maps path iterator erts: Implement map iterator using a stack stdlib: Introduce maps iterator API Conflicts: bootstrap/lib/stdlib/ebin/io_lib.beam bootstrap/lib/stdlib/ebin/io_lib_pretty.beam erts/emulator/beam/bif.tab erts/preloaded/ebin/erlang.beam erts/preloaded/ebin/erts_internal.beam erts/preloaded/ebin/zlib.beam
2017-11-14Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Display error messages without call stack
2017-11-10dialyzer: Display error messages without call stackHans Bolinder
As of commit 12b379 many of the reasons displayed after "Analysis failed with error:" erroneously include a call stack. The bug is now corrected. The bug was pointed out in http://erlang.org/pipermail/erlang-questions/2017-October/093838.html.
2017-10-13erts: Implement maps path iteratorLukas Larsson
2017-09-18Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Adjust a test case dialyzer: Modify handling of singleton map key types Dialyzer: Rewrite one map type invariant Dialyzer: Rewrite some of the docs of map types
2017-09-18Merge branch 'hasse/dialyzer/map_fixes/OTP-14572' into maintHans Bolinder
* hasse/dialyzer/map_fixes/OTP-14572: dialyzer: Adjust a test case dialyzer: Modify handling of singleton map key types Dialyzer: Rewrite one map type invariant Dialyzer: Rewrite some of the docs of map types
2017-09-15Merge branch 'siri/string-new-api'Siri Hansen
* siri/string-new-api: (28 commits) hipe (test): Do not use deprecated functions in string(3) dialyzer (test): Do not use deprecated functions in string(3) eunit (test): Do not use deprecated functions in string(3) system (test): Do not use deprecated functions in string(3) system (test): Do not use deprecated functions in string(3) mnesia (test): Do not use deprecated functions in string(3) Deprecate old string functions observer: Do not use deprecated functions in string(3) common_test: Do not use deprecated functions in string(3) eldap: Do not use deprecated functions in string(3) et: Do not use deprecated functions in string(3) os_mon: Do not use deprecated functions in string(3) debugger: Do not use deprecated functions in string(3) runtime_tools: Do not use deprecated functions in string(3) asn1: Do not use deprecated functions in string(3) compiler: Do not use deprecated functions in string(3) sasl: Do not use deprecated functions in string(3) reltool: Do not use deprecated functions in string(3) kernel: Do not use deprecated functions in string(3) hipe: Do not use deprecated functions in string(3) ... Conflicts: lib/eunit/src/eunit_lib.erl lib/observer/src/crashdump_viewer.erl lib/reltool/src/reltool_target.erl
2017-09-15dialyzer (test): Do not use deprecated functions in string(3)Dan Gudmundsson
2017-09-15Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Improve check of unknown types
2017-09-15dialyzer: Improve check of unknown typesHans Bolinder
The implementation of OTP-14218 (commit 6d3b38a) has a weakness: only a very limited part of the type form is checked. This is now fixed: types not used by specs are checked equally well as types used by specs. The new function erl_types:t_from_form_check_remote() checks usage of remote types. It does not expand used local types, and has (almost) no limits on depth and size.
2017-09-12dialyzer: Adjust a test caseHans Bolinder
Huge maps are truncated differently by the pretty printer. The reason is that erl_types:is_singleton_type/1 no longer recognizes complex singleton types, which results in a less precise representation of map types.
2017-09-12dialyzer: Modify handling of singleton map key typesHans Bolinder
The test case loop.erl shows that there is a problem with certain singleton key types. Here the internal representation toggles between #{a | b => ...} and #{a => ..., b => ...} The choice is to turn #{a | b => ...} into #{a => ..., b => ...} early (t_from_form()). The aim is to keep as much info as possible (in pairs). However, including complex singleton keys (tuples, maps) in this scheme is potentially too costly, and a bit complicated. So one more choice is made: let atoms and number (and nothing else) be singleton types, and let complex keys go into the default key.
2017-08-05Add {continue, Term} and handle_continue/2 to gen_serverJosé Valim
If the gen_server process needs to perform an action immediately after initialization or to break the execution of a callback into multiple steps, it can return {continue, term()} in place of the time-out or hibernation value, which will immediately invoke the handle_continue/2 callback with the given term. This provides a more accessible approach to after initialization compared to proc_lib+enter_loop that is also guaranteed to be safe. It also allows callbacks that need to do lengthy or stateful work to checkpoint the state throughout multiple iterations. This can be useful, for example, when implementing behaviours on top of gen_server.
2017-06-13dialyzer: Do not use two records for PLTsHans Bolinder
Instead of two records, #plt{} with dict:s and #mini_plt{} with ETS tables, one record is used for representing PLT:s in RAM. The #mini_plt{} is the one now used throughout analyses, but it is called #plt{}. When writing the PLT to file, another record is used, #file_plt{} (as before). When creating #file_plt{}, the #plt{} is deleted (it cannot be used for further analyses).
2017-06-13dialyzer: Warn about unused unknown typesHans Bolinder
2017-06-09dialyzer: Improve handling of UnicodeHans Bolinder
2017-05-02Merge branch 'maint'Hans Bolinder
* maint: Updated OTP version Prepare release inets: Add missing release note dialyzer: Fix a bug regarding unknown types erl_mseg.c: don't use invalid indices in - > cache_powered_node[] Fix release note for OTP-14290 Conflicts: OTP_VERSION erts/emulator/sys/common/erl_mseg.c erts/vsn.mk lib/dialyzer/src/dialyzer_analysis_callgraph.erl
2017-04-26dialyzer: Fix a bug regarding unknown typesHans Bolinder
Since commit 12b3790 Dialyzer has not reported unknown types.
2017-04-24Merge branch 'zandra/stdlib/optional-callbacks/OTP-13801'Zandra Norman
* zandra/stdlib/optional-callbacks/OTP-13801: wx: make wx_object callbacks optional stdlib: Make gen_fsm callbacks optional stdlib: Make gen_event callbacks optional stdlib: Make gen_server callbacks optional
2017-04-21stdlib: Make gen_server callbacks optionalZandra Norman
2017-04-21Merge branch 'bjorn/dialyzer/add-typer/OTP-14336' into run-travisBjörn Gustavsson
* bjorn/dialyzer/add-typer/OTP-14336: Add smoke test for TypER Add back TypEr to the main OTP repository
2017-04-20Add smoke test for TypERBjörn Gustavsson
2017-04-13stdlib: Add checks of the dialyzer attribute to the linterHans Bolinder
The same checks are also performed by the Dialyzer.
2017-03-14Merge branch 'hasse/fix_erl_anno_use'Hans Bolinder
* hasse/fix_erl_anno_use: parsetools: Fix handling of locations and annotations diameter: Fix handling of locations and annotations kernel: Fix handling of locations and annotations compiler: Fix handling of locations and annotations eunit: Fix handling of locations and annotations Update preloaded erts: Fix handling of locations and annotations dialyzer: Fix handling of annotations in a test debugger: Fix handling of locations and annotations stdlib: Extend functions in erl_parse to handle form_info() stdlib: Fix handling of locations and annotations erts: Correct the documentation of abstract end-of-file stdlib: Add debug tests to the erl_parse module stdlib: improve the erl_anno module's debug tests stdlib: Improve the erl_pp module's debug tests
2017-03-08dialyzer: Correct a test caseHans Bolinder
2017-03-08dialyzer: Fix handling of annotations in a testHans Bolinder
2017-03-06Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Improve a warning dialyzer: Fix a weird warning dialyzer: Fix an opaque bug dialyzer: Minor fix Conflicts: lib/dialyzer/src/dialyzer_dataflow.erl
2017-03-06Merge branch 'hasse/dialyzer/fix_warnings/OTP-14177' into maintHans Bolinder
* hasse/dialyzer/fix_warnings/OTP-14177: dialyzer: Improve a warning dialyzer: Fix a weird warning dialyzer: Fix an opaque bug dialyzer: Minor fix
2017-03-06Merge branch 'maint'Siri Hansen
2017-03-01Fix typos: lenght -> lengthMyron Marston
2017-02-28dialyzer: Improve a warningHans Bolinder
When a pattern a type do not match, opaque warnings were given precedence before structure mismatches. This is no longer always the case. Mentioned by Nick Marino on erlang-questions.
2017-02-28dialyzer: Fix a weird warningHans Bolinder
2017-02-28dialyzer: Fix an opaque bugHans Bolinder
An opaque bug that would crash Dialyzer has been fixed. The bug was reported by Nick Marino.
2017-02-21dialyzer: Correct test cases after removal of erlang:hash/2Hans Bolinder
2017-02-20Add dummy end_per_suite/1Siri Hansen
common_test requires that if init_per_suite/1 exists, then end_per_suite/1 must also exist. If end_per_suite/1 does not exist, then it will be marked in the log as failed with reason 'undef'. Some test suites are corrected to avoid this.
2017-02-14Fixed typos in lib/dialyzerAndrew Dryga
2017-02-09Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Correct PLT tests
2017-02-03dialyzer: Correct PLT testsHans Bolinder
Use explicit file names of PLTs so that daily builds&tests running simultaneously under the same user do not interfere with each other ("$HOME/.dialyzer_plt" is the default PLT name).
2017-02-03Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Increase time limit for tests dialyzer: Optimize typesig dialyzer: Optimize evaluation of complex code dialyzer: Optimize collection of variables Conflicts: lib/dialyzer/src/dialyzer_typesig.erl
2017-02-01dialyzer: Increase time limit for testsHans Bolinder
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