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2013-10-14Merge branch 'fenollp/treewide_remove_unexpected_0xff/OTP-11323' into maintFredrik Gustafsson
* fenollp/treewide_remove_unexpected_0xff/OTP-11323: Remove ^L characters hidden randomly in the code. Not those used in text files as delimiters.
2013-09-25stdlib: extended binary_module_SUITE to assure badarg for OTP-11350Fredrik Gustafsson
2013-09-12Remove ^L characters hidden randomly in the code. Not those used in text ↵Pierre Fenoll
files as delimiters. While working on a tool that processes Erlang code and testing it against this repo, I found out about those little sneaky 0xff. I thought it may be of help to other people build such tools to remove non-conforming-to-standard characters.
2013-08-27Fix variable usage tracking in some record errorsAnthony Ramine
When reporting a field redefinition in a record, erl_lint can forget about some old unused variables. f() -> X = 1, #r{a=foo,a=bar,a=qux}.
2013-08-27Fix unsafe variable tracking in try expressionsAnthony Ramine
Variables used in the body of a try expression were marked as unsafe *and* used, which makes no sense as an unsafe variable can't be used. Function vtsubtract/2 is used to forget usage of such unsafe variables. Reported-by: Paul Davis
2013-08-27Fix variable usage tracking in erl_lintAnthony Ramine
When analyzing complex expressions (i.e. comprehensions, cases, tries, ifs and receives), erl_lint does not forget about old unused variables when returning the updated variable table. This causes a bug where old unused variables are not recorded as such: t(X, Y) -> #r{a=[ K || K <- Y ],b=[ K || K <- Y ]}. As erl_lint uses vtmerge_pat/2 to merge the results of the analysis of the two list comprehensions, X is marked as used and the warning is not emitted. The function vtmerge_pat/2 is used instead of the similar vtmerge/2 which does not mark multiple occurrences of a variable as usage to handle cases like the following one: t(X, Y) -> #r{a=A=X,b=A=Y}. Other simpler expressions like conses, tuples and external fun references do not correctly follow this behaviour, e.g. A is not marked as used in the following code: t(X, Y) -> {A=X,A=Y}. This commit fixes both issues and makes erl_lint not return old unused variables in updated tables and makes all compound expressions use vtmerge_pat/2. Reported-by: Anders Ramsell
2013-08-21Merge branch 'hb/stdlib/dets_bugfix/OTP-11245' into maintHans Bolinder
* hb/stdlib/dets_bugfix/OTP-11245: Fix a Dets bug concerning traversal of tables
2013-08-20Fix a bug in the linter regarding the 'fun M:F/A' constructHans Bolinder
If the fun M:F/A construct was used erroneously the linter could crash. Thanks to Mikhail Sobolev for reporting the bug.
2013-08-19Fix a Dets bug concerning traversal of tablesHans Bolinder
The bug was introduced in R16B. Thanks to Manuel Durán Aguete.
2013-06-12Update copyright yearsBjörn-Egil Dahlberg
2013-06-05Merge branch 'pan/unicode_error_wrong_offset' into maintPatrik Nyblom
* pan/unicode_error_wrong_offset: Fix faulty rest on error in unicode:characters_to_list OTP-11080
2013-06-04Merge branch 'rickard-sverker/carrier-migration/OTP-10279' into maintRickard Green
* rickard-sverker/carrier-migration/OTP-10279: stdlib: Fix ets_SUITE memory tests
2013-06-04stdlib: Fix ets_SUITE memory testsRickard Green
Need to take 'mbcs_pool' into account.
2013-06-04Merge branch 'nox/erl_pp-callback/OTP-11140' into maintFredrik Gustafsson
* nox/erl_pp-callback/OTP-11140: Update primary bootstrap Support callback attributes in erl_pp
2013-06-03erts: Remove SBMBC allocatorSverker Eriksson
2013-05-28Support callback attributes in erl_ppAnthony Ramine
2013-05-22Teach c:ls/1 to show non-directory filesBjörn Gustavsson
In an email to erlang-questions, Bengt Kleberg wrote: When I use c:ls/1 it reminds me so much of Unix "ls" that I expect c:ls("filename") to work. The resulting error surprises me every time (not the same day). While teaching c:ls/1 to show non-directory files, update the error handling to make use of the POSIX error codes from file:list_dir/1 and file:format_error/1 (which had not been invented when the c module was first implemented). Suggested-by: Bengt Kleberg Test-suite-by: Bengt Kleberg
2013-05-17Merge branch 'siri/cuddle-with-tests' into maintSiri Hansen
* siri/cuddle-with-tests: Fix gen_server_SUITE:call_with_huge_message_queue Fix zip_SUITE:borderline test
2013-05-16[stdlib] Fix pretty printing of invalid formsHans Bolinder
Thanks to Tomáš Janoušek.
2013-05-06Merge branch 'sverk/ets-test-cuddle' into maintSverker Eriksson
* sverk/ets-test-cuddle: stdlib: Make memcheck in ets_SUITE less sensitive
2013-05-03Merge branch 'nox/fix-epp-file-attrs/OTP-11079' into maintFredrik Gustafsson
* nox/fix-epp-file-attrs/OTP-11079: Fix an inconsistent state in epp
2013-05-03Fix gen_server_SUITE:call_with_huge_message_queueSiri Hansen
This test always fails when gen is native compiled, since the optmization is not implemented then. The test is now skipped when running with hipe. The test does also quite often fail on one of the test hosts which runs in a virtual machine. The reason is that the clock runs "in bursts" on this host, which is outside of the control of the erlang VM and probably due to the fact that the host runs as a virtual machine. To overcome this problem, the echo message is now sent 10000 times instead of 10 times - i.e. the test run is prolonged in order to even out the effect of the bursts.
2013-05-02Fix faulty rest on error in unicode:characters_to_listPatrik Nyblom
2013-05-02Fix zip_SUITE:borderline testSiri Hansen
This test fails on a test host where no proper unix unzip is installed. This has been corrected.
2013-04-30Rename and document lists:zf/2 as lists:filtermap/2Anthony Ramine
This function is used all over the place in OTP itself and people sometimes want that functionality, they may as well not reimplement it themselves.
2013-04-26Fix an inconsistent state in eppAnthony Ramine
When entering a new file, epp doesn't properly set #epp.name2 like it does on initialisation, generating a malformed file attribute when it leaves the file.
2013-04-19stdlib: Make memcheck in ets_SUITE less sensitiveSverker Eriksson
2013-04-17Merge branch 'bjorn/fix-encoding/OTP-11041' into maintBjörn Gustavsson
* bjorn/fix-encoding/OTP-11041: Encode Erlang source files with non-ascii characters in UTF-8
2013-04-17Encode Erlang source files with non-ascii characters in UTF-8Björn Gustavsson
To ensure that 'master' compiles when we merge 'maint' to it, regardless of which encoding is default in 'master', all source files with non-ascii characters *must* have the encoding specified.
2013-04-15Merge branch 'jaf/fix-supervisor-multi-restart/OTP-11042' into maintFredrik Gustafsson
2013-04-11Merge branch 'sverk/dets_remove_test_otp_9607' into maintSverker Eriksson
* sverk/dets_remove_test_otp_9607: stdlib: Fix unstable testcase ets_SUITE:delete_large_named_table stdlib: Remove obsolete testcase dets_SUITE:otp_9607
2013-04-04Merge branch 'sv/stdlib/sys-get-state/OTP-11013' into maintFredrik Gustafsson
* sv/stdlib/sys-get-state/OTP-11013: Removed ?line macro add sys:get_state/1,2 and sys:replace_state/2,3 update sys:get_status/2,3 documentation for gen_event
2013-04-04Fix rest_for_one and one_for_all restarting a child not terminatedJames Fish
In rest_for_one and one_for_all supervisors one child dying can cause multiple children to be restarted. Previously if the child that caused the restart is started successfully but another child fails to start, the supervisor would not terminate this child with the other successfully restarted children as no record of the pid was kept. Thus the supervisor would try to start this child again. This could lead to multiples of the same child or if the child is registered cause repeated attempts at starting this child - until the max restart threshold was reached. Now the child that failed to start becomes the restarting child, instead of staying with the same child, for the next restart attempt. This has the following side effects: 1) In one_for_all the new version of the child that original died is terminated before a restart attempt is made. 2) In rest_for_one all succesfully restarted children are not terminated and restarting continues from the child that failed to start.
2013-04-04Changed handshake from to_erl to run_erl, on behalf of shell searchFredrik Gustafsson
2013-04-03Removed ?line macroFredrik Gustafsson
2013-04-02add sys:get_state/1,2 and sys:replace_state/2,3Steve Vinoski
At Erlang Factory 2013 there was discussion during one of the talks about the sys:get_status functions and how useful they were for debugging. Geoff Cant mentioned it would be very useful if the sys module also provided functions to use while debugging to get just the state of a process and also to be able to replace the state of a process, and many others in the audience appeared to agree. The sys:get_state/1,2 functions return the state of a gen_server, gen_fsm, or gen_event process. The return value varies depending on the process type: process state for a gen_server, state name and state data for a gen_fsm, and handler module, handler id, and handler state for each handler registered in a gen_event process. The sys:replace_state/2,3 functions allow the state of a gen_server, gen_fsm, or gen_event process to be replaced with a new state. These functions take a function argument that updates or replaces the process state; using a function to change the state eliminates the race condition of first reading the state via sys:get_state/1 or sys:get_state/2, using its return value to create a new state, and then replacing the old state with the new state, since during that time the process might have received other calls or messages that could have changed its state. * For a gen_server process, the state replacement function takes the process state as an argument and returns a new state. * For a gen_fsm process, the state replacement function gets a tuple of {StateName, StateData} and returns a similar tuple that specifies a new state name, new state data, or both. * For a gen_event process, the state replacement function is called for each registered event handler. It gets a tuple {Module, Id, HandlerState} and returns a similar tuple that specifies the same Module and Id values but may specify a different value for HandlerState. If the state replacement function crashes or results in an error, the original state of a gen_server or gen_fsm process is maintained; if such a crash occurs for a gen_event process, the original state of the event handler for which the state replacement function was called is maintained, but the states of other event handlers of the same gen_event process may still be updated if no errors or crashes occur while replacing their states. Add documentation for sys:get_state/1,2 and sys:replace_state/2,3. The documentation explicitly notes that the functions are intended for use during debugging. Add new tests for these functions to gen_server_SUITE, gen_fsm_SUITE, and gen_event_SUITE.
2013-03-29Document erl_parse:abstract/2Hans Bolinder
A bug has been fixed: when given the option {encoding,utf8} a list of floating point numbers (in the correct interval) was mistakenly returned as a string.
2013-03-28Fix a bug in the Erlang scannerHans Bolinder
The scanner did not crash when a floating point number was encountered in the input string.
2013-03-27stdlib: Fix unstable testcase ets_SUITE:delete_large_named_tableSverker Eriksson
Remove the call trace from this testcase as we cannot guarantee named table to be gone until ets:delete returns anyway.
2013-03-27stdlib: Remove obsolete testcase dets_SUITE:otp_9607Sverker Eriksson
2013-03-26Merge branch 'dgud/testcase_fixes' into maintDan Gudmundsson
* dgud/testcase_fixes: Fix timers mnesia: Decrease test times Add debug printouts wx: Fix failing testcases stdlib: Ignore symlink tests on windows
2013-03-19Let escript recognize an encoding comment on the second lineHans Bolinder
The manual says that an Emacs directive can be placed on the second line. With this patch that directive is also recognized when selecting encoding of the script.
2013-03-18Fix a test case bugHans Bolinder
shell_SUITE: Calling i() did not work because if there are more than 100 processes c:i() will go into pager mode, asking for input.
2013-03-18Fix a test case bugHans Bolinder
io_proto_SUITE: node names containing some '-' did not work.
2013-03-18Remove ?line from dets_SUITE.erlHans Bolinder
2013-03-18Adjust dets.erl to cope with an evil test caseHans Bolinder
The test case deletes a Dets process while it is repairing a file. Another client waiting for the Dets process to reply then kicks in and repairs the file. Apparently the temporary file was still open, resulting in an eacces error on Windows.
2013-02-26stdlib: Remove race in ets_SUITE:delete_large_tabSverker Eriksson
2013-02-26stdlib: Remove race in ets_SUITE:delete_large_named_tableSverker Eriksson
2013-02-26stdlib: Ignore symlink tests on windowsDan Gudmundsson
Symlinks only partially works on windows 7, ignore those tests on windows machines for now
2013-02-22Update copyright yearsBjörn-Egil Dahlberg