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2018-01-24Merge branch 'raimo/stdlib/gen-bench-fsm-vs-statem'Raimo Niskanen
* raimo/stdlib/gen-bench-fsm-vs-statem: Dodge divide by zero Introduce gen_statem vs gen_fsm benchmark Remove test suite warning
2018-01-23Merge branch 'maint'Hans Bolinder
* maint: kernel: Correct contracts and a bug in group_history stdlib: Correct contracts dialyzer: Optimize handling of a lot of warnings Conflicts: lib/kernel/src/erl_boot_server.erl
2018-01-22stdlib: Correct contractsHans Bolinder
2018-01-19Dodge divide by zeroRaimo Niskanen
2018-01-17Merge branch 'maint'Hans Bolinder
* maint: stdlib: Garbage the shell's evaluator process more often
2018-01-16Introduce gen_statem vs gen_fsm benchmarkRaimo Niskanen
Conflicts: lib/stdlib/test/stdlib_bench_SUITE.erl
2018-01-16stdlib: Garbage the shell's evaluator process more oftenHans Bolinder
A minor fix. If the Erlang shell saves no results (history(0) or results(0)), the evaluator process now garbage collects itself. This means that any huge binaries created by the evaluation are reclaimed faster than before.
2018-01-16Remove test suite warningRaimo Niskanen
2018-01-16Merge branch 'hasse/stdlib/limit_gen_bench'Hans Bolinder
* hasse/stdlib/limit_gen_bench: stdlib: Spend less time in gen_server benchmarks
2018-01-16Merge branch 'maint'Hans Bolinder
* maint: stdlib: Handle Unicode when formatting stacktraces
2018-01-16Merge branch 'hasse/stdlib/unicode_stacktrace/OTP-14847/ERL-553' into maintHans Bolinder
* hasse/stdlib/unicode_stacktrace/OTP-14847/ERL-553: stdlib: Handle Unicode when formatting stacktraces
2018-01-15Merge branch 'maint'Hans Bolinder
* maint: stdlib: Correct a filelib test case stdlib: Let filelib:find_source() search subdirs
2018-01-15Merge branch 'hasse/stdlib/find_src/OTP-14832/ERL-527' into maintHans Bolinder
* hasse/stdlib/find_src/OTP-14832/ERL-527: stdlib: Correct a filelib test case stdlib: Let filelib:find_source() search subdirs
2018-01-15stdlib: Spend less time in gen_server benchmarksHans Bolinder
Limit the time used for the benchmarks introduced in b8f16f0.
2018-01-15stdlib: Handle Unicode when formatting stacktracesHans Bolinder
See also ERL-553 and ERL-544 (commit c3ddb0f).
2018-01-10Merge branch 'hasse/stdlib/erl_eval_stacktrace/OTP-14826/PR-1540'Hans Bolinder
* hasse/stdlib/erl_eval_stacktrace/OTP-14826/PR-1540: syntax_tools: Correct handling of stacktrace variable stdlib: Add check of stacktrace variable to erl_eval stdlib: Improve erl_eval's stacktraces
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
2018-01-09stdlib: Add check of stacktrace variable to erl_evalHans Bolinder
Some of the functions of the erl_eval module do not call the Erlang code linter, so they need to explicitly check that the newly introduced stacktrace variable is not bound.
2018-01-09stdlib: Improve erl_eval's stacktracesHans Bolinder
The call "erlang:get_stacktrace()" is not handled explicitly. If there are issues, they can probably be ignored since erlang:get_stacktrace/1 will be deprecated and removed.
2018-01-09Fix false Dialyzer warnings for erl_tar:table/1Guilherme Andrade
'tar_entry()' values are only returned if we specify the 'verbose' option when calling table/2, which table/1 doesn't do. Now, it appears that Dialyzer as of OTP 20 is clever enough to realize that the return type of table/1 must intersect with the return type of table/2, and so it ignores the fact that table/1 says it returns strings, and therefore its callers are expected to be dealing with 'tar_entry()' tuples, and never with strings. This is obviously a mismatch between what the code does and what the spec says is does, leading to false Dialyzer warnings on code that uses table/1 (and, presumably, also table/2 when called without the 'verbose' option.)
2018-01-05stdlib: Correct a filelib test caseHans Bolinder
2018-01-05stdlib: Let filelib:find_source() search subdirsHans Bolinder
The Design Principles states that an application can have Erlang source files one level below the "src" directory, and now filelib:find_source() by default searches one level below "src". The same applies to "esrc". That directory is only mentioned in filename(3).
2017-12-21Merge branch 'hasse/stdlib/gen_server_bench'Hans Bolinder
* hasse/stdlib/gen_server_bench: stdlib: Optimize gen a little stdlib: Introduce gen_server benchmark
2017-12-20stdlib: Optimize gen a littleHans Bolinder
2017-12-20stdlib: Introduce gen_server benchmarkHans Bolinder
2017-12-19Merge branch 'raimo/stdlib/rand-uniformity'Raimo Niskanen
* raimo/stdlib/rand-uniformity: Tweak statistics limits Improve check on normal distribution tail Test normal distribution
2017-12-14Merge branch 'maint'Ingela Anderton Andin
2017-12-14Merge pull request #1653 from tonyrog/makedep_side_effectBjörn Gustavsson
Add -MMD option to erlc OTP-14830
2017-12-14Merge pull request #1650 from jabarszcz/doc_digraph_errorHans Bolinder
digraph: Document a bad_edge error
2017-12-13Merge branch 'maint'Henrik Nord
2017-12-08Update release notesErlang/OTP
2017-12-08Update version numbersErlang/OTP
2017-12-08Merge pull request #1634 from bjorng/bjorn/get_stacktrace-syntax/OTP-14692Björn Gustavsson
Add syntax in try/catch to retrieve the stacktrace directly
2017-12-07Merge branch 'hasse/stdlib/base64/OTP-14624'Hans Bolinder
* hasse/stdlib/base64/OTP-14624: stdlib: Add base64 benchmarks stdlib: Do not check base64 input more than needed stdlib: Minor optimization of base64 stdlib: Use binary_to_list in base64 when it is faster stdlib: Optimize base64 functions
2017-12-06digraph: Document a bad_edge errorJean-Alexandre Barszcz
2017-12-06Add -MMD option to erlcTony Rogvall
The compile option makedep_side_effect, erlc -MMD, instructs the compiler to emit dependencies and continue to compile as normal.
2017-12-04Merge pull request #1646 from tsloughter/hibernate_after_specHans Bolinder
add hibernate_after to the gen options type spec
2017-12-01Merge branch 'john/erts/efile-nif'John Högberg
OTP-14256 OTP-14797
2017-11-30Merge branch 'maint'Rickard Green
* maint: Clarification in doc of unicode:characters_to_list/2
2017-11-30Clarification in doc of unicode:characters_to_list/2Rickard Green
2017-11-30stdlib: Add base64 benchmarksHans Bolinder
2017-11-30Remove port subtest in qlc_SUITE:sortJohn Högberg
This subtest revolves around the possibility that the underlying port can be killed, which is nonsense now that the file suite no longer uses ports for anything.
2017-11-30Account for new behavior in tests that touch prim_fileJohn Högberg
This also hides the module behind ?PRIM_FILE to make testing new implementations less painful.
2017-11-30Add syntax in try/catch to retrieve the stacktrace directlyBjörn Gustavsson
This commit adds a new syntax for retrieving the stacktrace without calling erlang:get_stacktrace/0. That allow us to deprecate erlang:get_stacktrace/0 and ultimately remove it. The problem with erlang:get_stacktrace/0 is that it can keep huge terms in a process for an indefinite time after an exception. The stacktrace can be huge after a 'function_clause' exception or a failed call to a BIF or operator, because the arguments for the call will be included in the stacktrace. For example: 1> catch abs(lists:seq(1, 1000)). {'EXIT',{badarg,[{erlang,abs, [[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20|...]], []}, {erl_eval,do_apply,6,[{file,"erl_eval.erl"},{line,674}]}, {erl_eval,expr,5,[{file,"erl_eval.erl"},{line,431}]}, {shell,exprs,7,[{file,"shell.erl"},{line,687}]}, {shell,eval_exprs,7,[{file,"shell.erl"},{line,642}]}, {shell,eval_loop,3,[{file,"shell.erl"},{line,627}]}]}} 2> erlang:get_stacktrace(). [{erlang,abs, [[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22, 23,24|...]], []}, {erl_eval,do_apply,6,[{file,"erl_eval.erl"},{line,674}]}, {erl_eval,expr,5,[{file,"erl_eval.erl"},{line,431}]}, {shell,exprs,7,[{file,"shell.erl"},{line,687}]}, {shell,eval_exprs,7,[{file,"shell.erl"},{line,642}]}, {shell,eval_loop,3,[{file,"shell.erl"},{line,627}]}] 3> We can extend the syntax for clauses in try/catch to optionally bind the stacktrace to a variable. Here is an example using the current syntax: try Expr catch C:E -> Stk = erlang:get_stacktrace(), . . . In the new syntax, it would look like: try Expr catch C:E:Stk -> . . . Only a variable (not a pattern) is allowed in the stacktrace position, to discourage matching of the stacktrace. (Matching would also be expensive, because the raw format of the stacktrace would have to be converted to the cooked form before matching.) Note that: try Expr catch E -> . . . is a shorthand for: try Expr catch throw:E -> . . . If the stacktrace is to be retrieved for a throw, the 'throw:' prefix must be explicitly included: try Expr catch throw:E:Stk -> . . .
2017-11-30erl_parse: Use a new pat_expr rule for pattern expressionsBjörn Gustavsson
In the grammar file for the Erlang language, patterns are parsed as expressions. erl_lint will then weed out expressions that are not legal patterns. The rule sharing causes problems if we were to introduce new syntax, for example a pattern followed by a ':'. There would be a shift/reduce conflict, and a pattern followed by a ':' would be parsed as a remote call. Introduce a new pat_expr rule to express exactly the subset of expressions that is allowed in pattern. Note: For the moment, we must allow full expressions in case clauses to keep 'merl' working.
2017-11-30Merge branch 'maint'Dan Gudmundsson
* maint: Avoid falling measurements testcases on slow machines stdlib: string optimize special case for ASCII stdlib: Minor unicode_util opts
2017-11-29Minor grammar tweak in ETS documentationIsaac Whitfield
2017-11-29Avoid falling measurements testcases on slow machinesDan Gudmundsson
2017-11-29stdlib: string optimize special case for ASCIIDan Gudmundsson
Avoid unicode_util module call for ASCII strings
2017-11-29stdlib: Minor unicode_util optsDan Gudmundsson
Exit early for Latin-1