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|
<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE chapter SYSTEM "chapter.dtd">
<chapter>
<header>
<copyright>
<year>2004</year><year>2017</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
</legalnotice>
<title>Tools Release Notes</title>
<prepared></prepared>
<docno></docno>
<date></date>
<rev></rev>
<file>notes.xml</file>
</header>
<p>This document describes the changes made to the Tools application.</p>
<section><title>Tools 2.11.2.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Minor fixes for <c>make clean</c>.</p>
<p>
Own Id: OTP-15657</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.11.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p> A counting bug is corrected in <c>Cover</c>. The bug
was introduced in Erlang/OTP 18.0. </p>
<p>
Own Id: OTP-14817 Aux Id: PR 1641 </p>
</item>
<item>
<p>The <c>lcnt</c> server will no longer crash if
<c>lcnt:information/0</c> is called before
<c>lcnt:collect/0</c>.</p>
<p>
Own Id: OTP-14912</p>
</item>
<item>
<p><c>lcnt:collect</c> will now implicitly start the
<c>lcnt</c> server, as per the documentation.</p>
<p>
Own Id: OTP-14913</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Improved indentation in emacs and various other updates.</p>
<p>
Own Id: OTP-14944</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.11.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p> Removed all old unused files in the documentation.
</p>
<p>
Own Id: OTP-14475 Aux Id: ERL-409, PR-1493 </p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.11</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p> The predefined Xref analysis <c>locals_not_used</c>
no longer reports unused functions with the
<c>-on_load()</c> attribute.</p> <p> The new predefined
Xref variable <c>OL</c> holds all functions with the
<c>-on_load()</c> attribute. </p>
<p>
Own Id: OTP-14344</p>
</item>
<item>
<p>
In fprof when sampling multiple processes and analyzing
with totals set to true, the output now sums together all
caller and callee entries which concerns the same
function. Previous behaviour was to report each
contributing entry separately.</p>
<p>
Own Id: OTP-14500</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>Lock counting can now be fully toggled at runtime in
the lock counting emulator (<c>-emu_type lcnt</c>).
Everything is enabled by default to match the old
behavior, but specific categories can be toggled at will
with minimal runtime overhead when disabled. Refer to the
documentation on <c>lcnt:rt_mask/1</c> for details.</p>
<p>
Own Id: OTP-13170</p>
</item>
<item>
<p><c>lcnt:collect</c> and <c>lcnt:clear</c> will no
longer block all other threads in the runtime system.</p>
<p>
Own Id: OTP-14412</p>
</item>
<item>
<p>
General Unicode improvements.</p>
<p>
Own Id: OTP-14462</p>
</item>
<item>
<p>
Tools are updated to show Unicode atoms correctly.</p>
<p>
Own Id: OTP-14464</p>
</item>
<item>
<p>Add <c>erlang:iolist_to_iovec/1</c>, which converts an
iolist() to an erlang:iovec(), which suitable for use
with <c>enif_inspect_iovec</c>.</p>
<p>
Own Id: OTP-14520</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.10.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
In OTP-20.0, the behavior of c, make, and ct_make was
changed so that in some cases the beam files by default
would be written to the directory where the source files
were found. This is now changed back to the old behavior
so beam files are by default written to current
directory.</p>
<p>
Own Id: OTP-14489 Aux Id: ERL-438 </p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.10</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
In some situations, <c>make:all()</c> and friends did not
detect changes in include files located in the current
directory. This is now corrected.</p>
<p>
Own Id: OTP-14339 Aux Id: ERL-395 </p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>The <c>make</c> module now accepts the
<c>{emake,Emake}</c> option.</p>
<p>
Own Id: OTP-14253</p>
</item>
<item>
<p> Miscellaneous updates due to atoms containing
arbitrary Unicode characters. </p>
<p>
Own Id: OTP-14285</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.9.1</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Improved edoc support in emacs mode.</p>
<p>
Own Id: OTP-14217 Aux Id: PR-1282 </p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.9</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Fix unhandled trace event send_to_non_existing_process in
fprof.</p>
<p>
Own Id: OTP-13998</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Improved edoc support in emacs erlang-mode.</p>
<p>
Own Id: OTP-13945 Aux Id: PR-1157 </p>
</item>
<item>
<p>
Added erldoc to emacs mode which opens html documentation
in browser from emacs. For example <c>M-x erldoc-browse
RET lists:foreach/2</c>.</p>
<p>
Own Id: OTP-14018 Aux Id: PR-1197 </p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.8.6</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Errors in type specification and Emacs template
generation for <c>gen_statem:code_change/4</c> has been
fixed from bugs.erlang.org's Jira cases ERL-172 and
ERL-187.</p>
<p>
Own Id: OTP-13746 Aux Id: ERL-172, ERL-187 </p>
</item>
<item>
<p>
Fix gc_start/gc_end in fprof tags when parsing old trace
logs.</p>
<p>
Own Id: OTP-13778 Aux Id: PR-1136 </p>
</item>
<item>
<p><c>make</c> (tools) and <c>ct_make</c> (common_test)
would crash if an Erlang source file contained a
<c>-warning()</c> directive.</p>
<p>
Own Id: OTP-13855</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.8.5</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>Correct a bug when adding multiple modules to an Xref
server. The bug was introduced in OTP-19.0. </p>
<p>
Own Id: OTP-13708 Aux Id: ERL-173 </p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.8.4</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Update fprof to use the new 'spawned' trace event to
determine when a process has been created.</p>
<p>
Own Id: OTP-13499</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>Optimize adding multiple modules to an Xref server.
</p>
<p>
Own Id: OTP-13593</p>
</item>
<item>
<p>
Various emacs mode improvements, such as better tags
support.</p>
<p>
Own Id: OTP-13610</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.8.3</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
<c>cover:compile_beam/1</c> and
<c>cover:compile_beam_directory/1,2</c> crashed when
trying to compile a beam file without a <c>'file'</c>
attribute. This has been corrected and an error is
returned instead.</p>
<p>
Thanks to Louis-Philippe Gauthier for reporting this bug.</p>
<p>
Own Id: OTP-13200</p>
</item>
<item>
<p>Fix a bit string comprehension bug in Cover. </p>
<p>
Own Id: OTP-13277 Aux Id: PR 856 </p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.8.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
The emacs mode does not add a newline after the arrow on
-callback lines anymore.</p>
<p>
Own Id: OTP-13042</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.8.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
If a module includes eunit.hrl, a parse transform adds
the function test/0 on line 0 in the module. A bug in
OTP-18.0 caused cover:analyse_to_file/1 to fail to insert
cover data in the output file when line 0 existed in the
cover data table. This is now corrected.</p>
<p>
Own Id: OTP-12981</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.8</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
In order to improve performance of the cover tool, new
functions are added for cover compilation and analysis on
multiple files. This allows for more parallelisation.</p>
<p>
Some improvements of the data base access is also done in
order to improve the performance when analysing and
resetting cover data.</p>
<p>
Minor incompatibility: An error reason from
analyse_to_file is changed from no_source_code_found to
{no_source_code_found,Module}.</p>
<p>
*** POTENTIAL INCOMPATIBILITY ***</p>
<p>
Own Id: OTP-12330 Aux Id: seq12757 </p>
</item>
<item>
<p>Attempting to do a <c>cover</c> analysis when neither
source code nor beam file could be found would hang the
<c>cover</c> server. Corrected to return a proper
error.</p>
<p>
Own Id: OTP-12806</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Allow maps for supervisor flags and child specs</p>
<p>
Earlier, supervisor flags and child specs were given as
tuples. While this is kept for backwards compatibility,
it is now also allowed to give these parameters as maps,
see <seealso
marker="stdlib:supervisor#sup_flags">sup_flags</seealso>
and <seealso
marker="stdlib:supervisor#child_spec">child_spec</seealso>.</p>
<p>
Own Id: OTP-11043</p>
</item>
<item>
<p>
Remove Mnemosyne rules support.</p>
<p>
Own Id: OTP-12511</p>
</item>
<item>
<p>
Add printout of total number of calls and time in eprof</p>
<p>
Own Id: OTP-12681</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.7.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Fix lcnt sorting and printout of histograms.</p>
<p>
Own Id: OTP-12364</p>
</item>
<item>
<p> Fix a Unicode bug in the <c>tags</c> module. </p>
<p>
Own Id: OTP-12567</p>
</item>
<item>
<p>
Fix tags completion in erlang.el for GNU Emacs 23+</p>
<p>
Own Id: OTP-12583</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.7.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Fixed a typo in erlang-mode comment.</p>
<p>
Own Id: OTP-12214</p>
</item>
<item>
<p>
Add a skeleton for -spec in Erlang mode for Emacs</p>
<p>
Own Id: OTP-12283</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Cover no longer crashes when compiling <c>receive</c> and
the like with just an <c>after</c> clause. Thanks to
José Valim for providing a fix.</p>
<p>
Own Id: OTP-12328</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.7</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Add log2 histogram to lcnt for lock wait time</p>
<p>
Own Id: OTP-12059</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.15</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Removed <c>erlang:bitstr_to_list/1</c> and
<c>erlang:list_to_bitstr/1</c>. They were added by
mistake, and have always raised an <c>undefined</c>
exception when called.</p>
<p>
Own Id: OTP-11942</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.14</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Removed the support for the query keyword from emacs mode
(Thanks to Paul Oliver)</p>
<p>
Own Id: OTP-11568</p>
</item>
<item>
<p>
Emacs mode improvements (Thanks to Steve Vinoski)</p>
<p>
Own Id: OTP-11601</p>
</item>
<item>
<p>
Application upgrade (appup) files are corrected for the
following applications: </p>
<p>
<c>asn1, common_test, compiler, crypto, debugger,
dialyzer, edoc, eldap, erl_docgen, et, eunit, gs, hipe,
inets, observer, odbc, os_mon, otp_mibs, parsetools,
percept, public_key, reltool, runtime_tools, ssh,
syntax_tools, test_server, tools, typer, webtool, wx,
xmerl</c></p>
<p>
A new test utility for testing appup files is added to
test_server. This is now used by most applications in
OTP.</p>
<p>
(Thanks to Tobias Schlager)</p>
<p>
Own Id: OTP-11744</p>
</item>
<item>
<p>
The emacs erlang mode now match erlang keywords more
carefully (Thanks to Steve Vinoski)</p>
<p>
Own Id: OTP-11786</p>
</item>
<item>
<p>
The emacs erlang-mode now auto loads for more file types
(Thanks to Phil Hagelberg)</p>
<p>
Own Id: OTP-11788</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
<c>cover</c> can run on itself. Also, support for reading
BEAM files produced by ancient OTP versions before R9C
has been removed.</p>
<p>
Own Id: OTP-11692</p>
</item>
<item>
<p>
Support maps in cover</p>
<p>
Own Id: OTP-11764</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.13</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Erlang-specific compilation error regexp is added in
erlang-eunit.el. This defvar was earlier in erlang.el,
but was erroneously removed in R15B02, while still used
by erlang-eunit.el.</p>
<p>
Own Id: OTP-11417 Aux Id: seq12447 </p>
</item>
<item>
<p>
Take compiler options from beam in cover:compile_beam.
Thanks to Péter Gömöri.</p>
<p>
Own Id: OTP-11439</p>
</item>
<item>
<p>
Silence warnings (Thanks to Anthony Ramine)</p>
<p>
Own Id: OTP-11517</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Add iodata, nonempty_string to built-in type highlighting
for emacs. Thanks to Paul Oliver.</p>
<p>
Own Id: OTP-11394</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.12</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Remove trailing spaces in Emacs templates. Thanks to
Roberto Aloi.</p>
<p>
Own Id: OTP-11198</p>
</item>
<item>
<p>
Fixed the Emacs erlang-mode to accommodate the coding
style where lists written across several lines have each
line starting with a comma. Thanks to Magnus Henoch.</p>
<p>
Own Id: OTP-11242</p>
</item>
<item>
<p>
Make the Emacs Erlang mode TRAMP-aware when compiling.
Thanks to Tomas Abrahamsson.</p>
<p>
Own Id: OTP-11270</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.11</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
When cover:stop(Node) was called on a non-existing node,
a process waiting for cover data from the node would hang
forever. This has been corrected.</p>
<p>
Own Id: OTP-10979</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Make cover smarter about finding source from beam.</p>
<p>
In particular, search using the source path in
module_info if the current heuristic fails.</p>
<p>
Own Id: OTP-10902</p>
</item>
<item>
<p>
Remove Flymake dependency in erlang-pkg.el. Thanks to
Magnus Henoch.</p>
<p>
Own Id: OTP-10930</p>
</item>
<item>
<p>
Erlang-mode: Add autoload cookies for file extension
associations. Thanks to Magnus Henoch.</p>
<p>
Own Id: OTP-10999</p>
</item>
<item>
<p> Postscript files no longer needed for the generation
of PDF files have been removed. </p>
<p>
Own Id: OTP-11016</p>
</item>
<item>
<p>
Fix a race condition when there're several applications
in apps directory. Thanks to Manuel Rubio.</p>
<p>
Own Id: OTP-11028</p>
</item>
<item>
<p>
New option for eprof, 'set_on_spawn'. This option was
previously always on and is also the default.</p>
<p>
Own Id: OTP-11144</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.10</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Fix a bug in cover when used with no_auto_import. Thanks
to José Valim.</p>
<p>
Own Id: OTP-10778</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.9</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Add missing modules in app-file</p>
<p>
Own Id: OTP-10439</p>
</item>
<item>
<p>
Make erlang-mode more compatible with package.el (Thanks
to Gleb Peregud)</p>
<p>
Own Id: OTP-10465</p>
</item>
<item>
<p>
Fix various typos (thanks to Tuncer Ayaz)</p>
<p>
Own Id: OTP-10611</p>
</item>
<item>
<p>
Add separate face for exported functions (Thanks to
Thomas Järvstrand)</p>
<p>
Own Id: OTP-10637</p>
</item>
<item>
<p>
The BIF highlighting in the emacs mode has been updated
to correspond with the correct BIFs.</p>
<p>
Own Id: OTP-10774</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p> Support for Unicode has been implemented. </p>
<p>
Own Id: OTP-10302</p>
</item>
<item>
<p>
A new function, cover:flush(Nodes), is added which will
fetch data from remote nodes without stopping cover on
those nodes. This is used by test_server and common_test
when it is safe to assume that the node will be
terminated after the test anyway. The purpose is to avoid
processes crashing when re-loading the original beam if
the processes is still running old code.</p>
<p>
Remote nodes will now continue to count code coverage if
the connection to the main node is broken. Earlier, a
broken connection would cause the cover_server on the
remote node to die and thus any still cover compiled
modules would cause process crash when trying to insert
cover data in ets tables that used to exist on the
cover_server. The new functionality also involves
synchronization with the main node if the nodes are
reconnected.</p>
<p>
*** POTENTIAL INCOMPATIBILITY ***</p>
<p>
Own Id: OTP-10523 Aux Id: OTP-10427 </p>
</item>
<item>
<p>Where necessary a comment stating encoding has been
added to Erlang files. The comment is meant to be removed
in Erlang/OTP R17B when UTF-8 becomes the default
encoding. </p>
<p>
Own Id: OTP-10630</p>
</item>
<item>
<p>
Fix syntax highlighting of $\' in Emacs mode. Thanks to
Magnus Henoch.</p>
<p>
Own Id: OTP-10766</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.8</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
The last tuple fun call has been removed from fprof.</p>
<p>
Own Id: OTP-10091 Aux Id: seq12067 </p>
</item>
<item>
<p>
Fix indentation of record fields in Emacs (Thanks to
Tomas Abrahamsson)</p>
<p>
Own Id: OTP-10120</p>
</item>
<item>
<p>
Documentation fixes (Thanks to Ricardo Catalinas Jiménez
)</p>
<p>
Own Id: OTP-10121</p>
</item>
<item>
<p>
Remove Erlang-specific compilation error regexp in
erlang.el</p>
<p>
Own Id: OTP-10168</p>
</item>
<item>
<p>
Fix highlighting of atoms ending with a dollar sign</p>
<p>
Like this: 'atom$'. In that example, the last single
quote should be recognised as ending the atom. This needs
a font-lock workaround similar to the one for strings.
Thanks to Magnus Henoch</p>
<p>
Own Id: OTP-10178</p>
</item>
<item>
<p> Xref now accepts filenames with character codes
greater than 126. (Thanks to Emile Joubert for reporting
the issue.) </p>
<p>
Own Id: OTP-10192</p>
</item>
<item>
<p>
Add test_indentation target to lib/tools/emacs/Makefile</p>
<p>
Automatically indent test.erl.orig, save to test.erl, and
compare to test.erl.intended. Thanks to Magnus Henoch.</p>
<p>
Own Id: OTP-10226</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.7</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Makefiles in erts, hipe and tools have been corrected to
enable parallel make, i.e MAKEFLAGS=-jX where X is the
parallelity number. As a result of this dependencies were
corrected since that is what is needed for parallel make
to work.</p>
<p>
Own Id: OTP-9857 Aux Id: OTP-9451 </p>
</item>
<item>
<p>Minor suppressions and fixes of compilation
warnings</p>
<p>
Own Id: OTP-10016</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.6.6</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>Update system profiling principles to reflect eprof
performance improvements.</p>
<p>
Own Id: OTP-9656</p>
</item>
<item>
<p>
[cover] fix leftover {'DOWN', ..} msg in callers queue</p>
<p>
After stopping cover with cover:stop() there could still
be a {'DOWN',...} leftover message in the calling
process's message queue. This unexpected leftover could
be eliminated if erlang:demonitor/2 with option flush
would be used in certain points</p>
<p>
Own Id: OTP-9694</p>
</item>
<item>
<p>
Add deps as erlang-flymake include directory.</p>
<p>
Update erlang-flymake to recognize the "deps" folder as
an include directory. This makes erlang-flymake
compatible with the rebar dependency management tool's
default folder structure, which puts included
dependencies in "deps".(Thanks to Kevin Albrecht)</p>
<p>
Own Id: OTP-9791</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>Variables are now now allowed in '<c>fun M:F/A</c>' as
suggested by Richard O'Keefe in EEP-23.</p>
<p>The representation of '<c>fun M:F/A</c>' in the
abstract format has been changed in an incompatible way.
Tools that directly read or manipulate the abstract
format (such as parse transforms) may need to be updated.
The compiler can handle both the new and the old format
(i.e. extracting the abstract format from a pre-R15 BEAM
file and compiling it using compile:forms/1,2 will work).
The <c>syntax_tools</c> application can also handle both
formats.</p>
<p>
*** POTENTIAL INCOMPATIBILITY ***</p>
<p>
Own Id: OTP-9643</p>
</item>
<item>
<p>
Tuple funs (a two-element tuple with a module name and a
function) are now officially deprecated and will be
removed in R16. Use '<c>fun M:F/A</c>' instead. To make
you aware that your system uses tuple funs, the very
first time a tuple fun is applied, a warning will be sent
to the error logger.</p>
<p>
Own Id: OTP-9649</p>
</item>
<item>
<p>
Eliminate use of deprecated regexp module</p>
<p>
Own Id: OTP-9810</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.6.5</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Teach the emacs mode to compile yecc and leex files</p>
<p>
If visiting a .yrl or .xrl file in emacs with
erlang-mode, then the `erlang-compile' function (normally
bound to C-c C-k), now knows how to compile yecc and leex
files, and then, if that compilation succeeds, also
compiles the resulting .erl files.</p>
<p>
Also introduce a `erlang-compile-command-function-alist'
to make it possible to hook in other functions for
computing compilation commands/expressions, depending on
file name. (Thanks to Tomas Abrahamsson )</p>
<p>
Own Id: OTP-9503</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p> Bugs in xref(3) have been fixed. (Thanks to Matthias
Lang.) </p>
<p>
Own Id: OTP-9416</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.6.4</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Change make:files to behave more like erlc</p>
<p>
This change removes the unnecessary checks on the files
when make:files is called and allows the error checking
to be done in compile:file, where the error messages are
produced. It does not affect the return value.</p>
<p>
(Thanks to Sam bobroff)</p>
<p>
Own Id: OTP-9179</p>
</item>
<item>
<p>
add user specified compiler options on form reloading</p>
<p>
In order to be able to test non-exported functions from
another (test) module it is necessary to compile the
specific module (at least during the test phase) with the
export_all compiler option. This allows complete
separation of testing and productive code. At the moment
it is not possible to combine this with a test code
coverage using the cover module. The problem is that when
cover compiling a module using cover:compile_* the code
is reloaded into the emulator omitting/filtering the
passed user options. In my example above the export_all
option would be removed and the non-exported functions
cannot be called any more. (Thanks to Tobias Schlager)</p>
<p>
Own Id: OTP-9204</p>
</item>
<item>
<p>
Inhibit electric newline after "->" when inside a type
spec</p>
<p>
The Erlang mode for Emacs inserts a newline after every
"->", which saves you one keystroke when writing a
function, but that is inappropriate when writing a type
spec, as you'd normally keep the spec on one line. This
change inhibits the automatic insertion when the current
line starts with "-spec" or "-type".(Thanks to Magnus
Henoch)</p>
<p>
Own Id: OTP-9255</p>
</item>
<item>
<p>
Add a check logic to prevent file descriptor leak</p>
<p>
cover module handle files as raw in export and import.
Assert counts of ports are the same at the beginning and
at the end of the test case.(Thanks to Shunichi
Shinohara)</p>
<p>
Own Id: OTP-9300</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.6.3</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
Declare indentation options as "safe" in erlang-mode for
Emacs</p>
<p>
Emacs has a facility for setting options on a per-file
basis based on comments in the source file. By default,
all options are considered "unsafe", and the user is
queried before the variable is set. This patch declares
the variables erlang-indent-level, erlang-indent-guard
and erlang-argument-indent to be safe, if the value
specified in the source file is valid.</p>
<p>
Such declarations usually look like this:</p>
<p>
%% -*- erlang-indent-level: 2 -*-</p>
<p>
and appear on the first line of the file. (thanks to
Magnus Henoch)</p>
<p>
Own Id: OTP-9122</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Cover has been improved to take less memory and allow
parallel analysis of cover data. Data collection from
nodes is now done in parallel and it is now possible to
issue multiple analyse and analyse_to_file requests at
the same time. A new function call async_analyse_to_file
has also been introduced, see the documentation for more
details.</p>
<p>
Own Id: OTP-9043 Aux Id: seq11771 </p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.6.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>eprof: API sort mismatch has now been fixed. </p>
<p>
Own Id: OTP-8853</p>
</item>
<item>
<p>
eprof: fix division by zero in statistics</p>
<p>
Own Id: OTP-8963</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.6.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
<c>cover</c> will now show ampersand characters in the
source code correctly. (Thanks to Tom Moertel.)</p>
<p>
Own Id: OTP-8776</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.6</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>A race condition affecting Cover has been removed.</p>
<p>
Own Id: OTP-8469</p>
</item>
<item>
<p>
Emacs improvements:</p>
<p>
Fixed emacs-mode installation problems.</p>
<p>
Fixed a couple of -spec and -type indentation and
font-lock problems.</p>
<p>
Fixed error messages on emacs-21.</p>
<p>
Magnus Henoch fixed several issues.</p>
<p>
Ralf Doering, Klas Johansson and Chris Bernard
contributed various emacs-eunit improvements.</p>
<p>
Klas Johansson and Dave Peticolas added emacs-flymake
support.</p>
<p>
Own Id: OTP-8530</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>Xref has been updated to use the <c>re</c> module
instead of the deprecated <c>regexp</c> module.</p>
<p>
*** POTENTIAL INCOMPATIBILITY ***</p>
<p>
Own Id: OTP-8472</p>
</item>
<item>
<p>When given the option <c>{builtins,true}</c> Xref now
adds calls to operators.</p>
<p>
Own Id: OTP-8647</p>
</item>
<item>
<p><c>eprof</c> has been reimplemented with support in
the Erlang virtual machine and is now both faster (i.e.
slows down the code being measured less) and scales much
better. In measurements we saw speed-ups compared to the
old eprof ranging from 6 times (for sequential code that
only uses one scheduler/core) up to 84 times (for
parallel code that uses 8 cores).</p>
<p>Note: The API for the <c>eprof</c> has been cleaned up
and extended. See the documentation.</p>
<p>
*** POTENTIAL INCOMPATIBILITY ***</p>
<p>
Own Id: OTP-8706</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.5.1</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>A bug concerning bit comprehensions has been fixed
in Cover. The bug was introduced in R13B03.
(Thanks to Matthew Sackman.)</p>
<p>Own Id: OTP-8340</p>
</item>
</list>
</section>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
Add lock profiling tool.</p>
<p>
The Lock profiling tool, lcnt, can make use of the
internal lock statistics when the runtime system is built
with this feature enabled.</p>
<p>
This provides a mechanism to examine potential lock
bottlenecks within the runtime itself.</p>
<p>
- Add erts_debug:lock_counters({copy_save, bool()}). This
option enables or disables statistics saving for
destroyed processes and ets-tables. Enabling this might
consume a lot of memory.</p>
<p>
- Add id-numbering for lock classes which is otherwise
undefined.</p>
<p>
Own Id: OTP-8424</p>
</item>
<item>
<p>
emacs: Moved code skeletons to a separate file and and
added a configurable variable to choose skeleton. Thanks
Dave Peticolas.</p>
<p>
Own Id: OTP-8446</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.5</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>The coverage analysis tool <c>cover</c> has been
improved when it comes to handling list and bit string
comprehensions (a counter for each qualifier), bit syntax
expressions (the Value and Size expressions), and try
expressions (the body called <c>Exprs</c> in the Reference
Manual). A few (not all) situations where several
expressions are put on the same line are also handled
better than before.</p>
<p>Own Id: OTP-8188 Aux Id: seq11397</p>
</item>
<item>
<p>When loading Cover compiled code on remote nodes
running code in the loaded module, a <c>badarg</c>
failure was sometimes the result. This bug has been fixed.</p>
<p>Own Id: OTP-8270 Aux Id: seq11423</p>
</item>
<item>
<p>The short-circuit operators <c>andalso</c> and
<c>orelse</c> are now handled correctly by the coverage
analysis tool <c>cover</c> (it is no longer checked
that the second argument returns a Boolean value.)</p>
<p>Own Id: OTP-8273</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.4</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p><c>cover</c> now properly escapes greater-than and
less-than characters in comments in HTML reports. (Thanks
to Magnus Henoch.)</p>
<p>
Own Id: OTP-7939</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.3</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>
xref:start/1 does now allow anonymous XREF processes to
be started</p>
<p>
Own Id: OTP-7831</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.2</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>A bug in the Xref scanner has been fixed.</p>
<p>
Own Id: OTP-7423</p>
</item>
<item>
<p>A bug in Fprof where the function 'undefined' appeared
to call 'undefined' has been corrected.</p>
<p>
Own Id: OTP-7509</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6.1</title>
<section><title>Improvements and New Features</title>
<list>
<item>
<p>The documentation has been updated so as to reflect
the last updates of the Erlang shell as well as the minor
modifications of the control sequence <c>p</c> of the
<c>io_lib</c> module.</p> <p>Superfluous empty lines have
been removed from code examples and from Erlang shell
examples.</p>
<p>
Own Id: OTP-6944 Aux Id: OTP-6554, OTP-6911 </p>
</item>
<item>
<p><c>tuple_size/1</c> and <c>byte_size/1</c> have been
substituted for <c>size/1</c>.</p>
<p>
Own Id: OTP-7009</p>
</item>
<item>
<p>The coverage analysis tool <c>cover</c> now handles
the short-circuit Boolean expressions <c>andalso/2</c>
and <c>orelse/2</c> properly.</p>
<p>
Own Id: OTP-7095</p>
</item>
</list>
</section>
</section>
<section><title>Tools 2.6</title>
<section><title>Fixed Bugs and Malfunctions</title>
<list>
<item>
<p>
The <c>cover</c> tool could use huge amounts of memory
when used in a distributed system.</p>
<p>
Own Id: OTP-6758</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.5.5</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p>Missing buffer-local declaration in erlang.el has been
added. Before this fix there could arise problems in
other emacs modes after visiting a buffer using the
erlang mode.</p>
<p>Own Id: OTP-6721</p>
</item>
<item>
<p>Key-map for 'backward-delete-char-untabif updated to work
properly with Xemacs.</p>
<p>Own Id: OTP-6723</p>
</item>
</list>
</section>
<section>
<title>Improvements and New Features</title>
<list type="bulleted">
<item>
<p>Minor updates of Xref.</p>
<p>Own Id: OTP-6586</p>
</item>
<item>
<p>Minor Makefile changes.</p>
<p>Own Id: OTP-6689 Aux Id: OTP-6742 </p>
</item>
<item>
<p>"C-u C-c C-k" now does a compile with both "debug_info"
and "export_all".</p>
<p>Own Id: OTP-6741</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.5.4.1</title>
<section>
<title>Improvements and New Features</title>
<list type="bulleted">
<item>
<p>Changes due to internal interface changes in the erts
application which are needed at compile-time. No
functionality has been changed.</p>
<p>Own Id: OTP-6611 Aux Id: OTP-6580 </p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.5.4</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p>Made change to support the function erlang-find-tag for
xemacs and emacs-21.</p>
<p>Own Id: OTP-6512</p>
</item>
</list>
</section>
<section>
<title>Improvements and New Features</title>
<list type="bulleted">
<item>
<p>Minor updates of xref for future compatibility.</p>
<p>Own Id: OTP-6513</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.5.3</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p><c>eprof</c> did not work reliably in the SMP emulator,
because the trace receiver process could not process the
trace messages fast enough. Therefore, <c>eprof</c> now
blocks the other schedulers while profiling.</p>
<p>Own Id: OTP-6373</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.5.2</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p>Fprof traces could become truncated for the SMP emulator.
This bug has now been corrected.</p>
<p>Own Id: OTP-6246</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.5.1</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p>eprof now works somewhat better in the SMP emulator.</p>
<p>Own Id: OTP-6152</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.5</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p>Fixed some bugs in <c>make</c>:</p>
<p><c>make:files/1,2</c> can now handle a file in another
directory as argument, similar to <c>make:all/0,1</c>.</p>
<p>When specifying a file name including the <c>.erl</c>
extension in <c>Emakefile</c>, <c>make:all/0,1</c> looked
for the object code in the wrong place.</p>
<p>When specifying a file name including the <c>.erl</c>
extension in <c>Emakefile</c> and some compile options
for the file, <c>make:files/0,1</c> did not use the
options as it should do.</p>
<p>Own Id: OTP-6057 Aux Id: seq10299</p>
</item>
<item>
<p><c>cover</c>: When <c>cover:stop()</c> was called,
the cover compiled code was not unloaded (as stated in
the documentation) but simply marked as 'old'. This
meant that processes lingering in (or with funs
referencing to) the cover compiled code would survive
even when the cover server and its ETS tables was
terminated.</p>
<p>Now the cover compiled code is unloaded, meaning that
processes lingering in/with references to it will be
killed when <c>cover:stop</c> is called, instead of
later crashing with <c>badarg</c> when trying to bump
counters in ETS tables no longer existing.</p>
</item>
</list>
</section>
<section>
<title>Improvements and New Features</title>
<list type="bulleted">
<item>
<p>Replaced call to deprecated function
<c>file:file_info/1</c> with call to
<c>filelib:is_dir/1</c> and <c>filelib:is_regular/1</c>
in <c>tags.erl</c>.</p>
<p>Own Id: OTP-6079</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.4.7</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p>A bug in <c>fprof</c> profiling causing erroneous
inconsistent trace failure has been corrected.</p>
<p>Own Id: OTP-5922 Aux Id: seq10203 </p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.4.6</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p>Emacs: <c>erlang-man-function</c> and
<c>erlang-man-module</c> used a pattern matching to find
the requested module that sometimes yielded unexpected
results. For example, <c>erlang-man-module file</c> would
display the man page for <c>CosFileTransfer_File</c>.</p>
<p>Own Id: OTP-5746 Aux Id: seq10096</p>
</item>
<item>
<p>Some compiler warnings and Dialyzer warnings were
eliminated in the Tools application.</p>
<p>When tracing to a port (which <c>fprof</c> does),
there could be fake schedule out/schedule in messages
sent for a process that had exited.</p>
<p>Own Id: OTP-5757</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.4.5</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p>The cross reference tool <c>xref</c> did not handle the new
<c>fun M:F/A</c> construct properly. This problem has been
fixed.</p>
<p>Own Id: OTP-5653</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.4.4</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p>The <c>cover</c> tool did not escape '<' and '>' not
being part of HTML tags in HTML log files.</p>
<p>Own Id: OTP-5588</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.4.3</title>
<section>
<title>Improvements and New Features</title>
<list type="bulleted">
<item>
<p>It is now possible to encrypt the debug information in
beam files, to help keep the source code secret. See
<c>compile(3)</c> for how to provide the key for encrypting,
and <c>beam_lib(3)</c> for how to provide the key for
decryption so that tools such as Debugger, <c>xref</c>, or
<c>cover</c> can be used.</p>
<p>The <c>beam_lib:chunks/2</c> functions now accepts an
additional chunk type '<c>compile_info</c>' to retrieve
the compilation information directly as a term. (Thanks
to Tobias Lindahl.)</p>
<p>Own Id: OTP-5460 Aux Id: seq9787</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.4.2</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p>The <c>cover</c> tool could not analyze empty modules on
module level.</p>
<p>Own Id: OTP-5418</p>
</item>
</list>
</section>
</section>
<section>
<title>Tools 2.4.1</title>
<section>
<title>Fixed Bugs and Malfunctions</title>
<list type="bulleted">
<item>
<p>The <c>xref</c> analysis <c>locals_not_used</c> could
return too many functions. This problem has been fixed.</p>
<p>Own Id: OTP-5071</p>
</item>
<item>
<p>The <c>cover</c> tool could not always compile parse
transformed modules. This problem has been fixed.</p>
<p>Own Id: OTP-5305</p>
</item>
</list>
</section>
</section>
</chapter>
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