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* lars/doc-cleanup/OTP-14475:
[edoc] Remove unused module otpsgml_layout.erl
Remove unused files from the documentation build
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* maint:
Updated OTP version
Update release notes
Update version numbers
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* maint-19:
Updated OTP version
Update release notes
Update version numbers
Conflicts:
OTP_VERSION
erts/doc/src/notes.xml
erts/vsn.mk
lib/compiler/doc/src/notes.xml
lib/compiler/vsn.mk
otp_versions.table
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* maint:
Updated OTP version
Prepare release
Fix zlib merge snafu
ssh: fix broken printouts
ssh: exclude aes_gcm if peer is OpenSSH 6.2 (known bug)
Conflicts:
OTP_VERSION
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This allows compilers built on top of the compile module
to attach external compilation metadata to the compile_info
chunk.
For example, Erlang uses this chunk to store the compiler
version. Elixir and LFE may augment this by also adding
their own compiler versions, which can be useful when
debugging.
The deterministic option does not affect the user supplied
compile_info. It is therefore the responsibility of external
compilers to guarantee any added information does not violate
the determinsitic option, if such option is supported.
Finally, this code moves the building of the compile_info
options to the compile module instead of beam_asm, moving
all of the option mangling code to a single place.
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This reverts commit eaf8ca41dfa4850437ad270d3897399c9358ced0.
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erlang:get_stacktrace/0 returns the stacktrace for the latest
exception. The problem is that the stacktrace is kept until the next
exception occurs. If the last exception was a 'function_clause' or a
'badarg', the arguments for the call are also kept forever. The
arguments can be terms of any size (potentially huge).
In a future release, we would like to only allow
erlang:get_stacktrace/0 from within a 'try' expression. That would
make it possible to clear the stacktrace when the 'try' expression is
exited.
The 'catch' expression has no natural end where the stacktrace could
be cleared. The stacktrace could be cleared at the end of the function
that the 'catch' occurs in, but that would cause problems in the
following scenario (from real life, but simplified):
try
...
catch _:_ ->
io:format(...),
io:format("~p\n", [erlang:get_stacktrace()])
end.
%% In io.erl.
format(Fmt, Args) ->
Res = case ... of
SomePattern ->
catch...
...;
SomeOtherPattern ->
%% Output the formatted string here
...
end,
clear_stacktrace(), %% Inserted by compiler.
Res.
The call to io:format() would always clear the stacktrace before
it could be retrieved.
That problem could be solved by tightning the scope in which the
stacktrace is kept, but the rules for how long erlang:get_stacktrace/0
would work would become complicated.
Therefore, the solution we suggest for a future major release of
OTP is that erlang:get_stacktrace/0 will return [] if it is called
outside the 'catch' part of a 'try' expression.
To help users prepare, introduce a warning when it is likely that
erlang:get_stacktrace/0 will always return an empty list, for example
in this code:
catch error(foo),
Stk = erlang:get_stacktrace()
or in this code:
try Expr
catch _:_ -> ok end,
Stk = erlang:get_stacktrace()
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Correct description of nowarn_obsolete_guard
By default, warnings for obsolete guards are turned on. Correct the description to make that clear.
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This reverts commit dc57404252c47520f352834ad9be45ad684f96c9.
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The new Dbgi chunk returns data in the following format:
{debug_info_v1, Backend, Data}
This allows compilers to store the debug info in different
formats. In order to retrieve a particular format, for
instance, Erlang Abstract Format, one may invoke:
Backend:debug_info(erlang_v1, Module, Data, Opts)
Besides introducing the chunk above, this commit also:
* Changes beam_lib:chunk(Beam, [:abstract_code]) to
read from the new Dbgi chunk while keeping backwards
compatibility with old .beams
* Adds the {debug_info, {Backend, Data}} option to
compile:file/2 and friends that are stored in the
Dbgi chunk. This allows the debug info encryption
mechanism to work across compilers
* Improves dialyzer to work directly on Core Erlang,
allowing languages that do not have the Erlang
Abstract Format to be dialyzer as long as they emit
the new chunk and their backend implementation is
available
Backwards compatibility is kept across the board except
for those calling beam_lib:chunk(Beam, ["Abst"]), as the
old chunk is no longer available. Note however the "Abst"
chunk has always been optional.
Future OTP versions may remove parsing the "Abst" chunk
altogether from beam_lib once Erlang 19 and earlier is no
longer supported.
The current Dialyzer implementation still supports earlier
.beam files and such may also be removed in future versions.
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* maint:
Updated OTP version
Prepare release
Conflicts:
OTP_VERSION
lib/typer/doc/src/notes.xml
lib/typer/vsn.mk
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* maint:
Documentation: use behaviour(ssh_daemon_channel)
Fix minor typo in compile:forms/1 doc
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This allow languages such as Elixir and LFE to attach
extra chunks to the .beam file without having to parse
the beam file after compilation.
This commit also cleans up the interface to beam_asm,
allowing chunks to be passed from the compiler without
a need to change beam_asm API on every new chunk.
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=== OTP-19.2 ===
Changed Applications:
- common_test-1.13
- compiler-7.0.3
- crypto-3.7.2
- dialyzer-3.0.3
- edoc-0.8.1
- erl_docgen-0.6.1
- erl_interface-3.9.2
- erts-8.2
- eunit-2.3.2
- hipe-3.15.3
- inets-6.3.4
- kernel-5.1.1
- mnesia-4.14.2
- observer-2.3
- odbc-2.12
- parsetools-2.1.4
- public_key-1.3
- runtime_tools-1.11
- sasl-3.0.2
- ssh-4.4
- ssl-8.1
- stdlib-3.2
- syntax_tools-2.1.1
- tools-2.9
- wx-1.8
Unchanged Applications:
- asn1-4.0.4
- cosEvent-2.2.1
- cosEventDomain-1.2.1
- cosFileTransfer-1.2.1
- cosNotification-1.2.2
- cosProperty-1.2.1
- cosTime-1.2.2
- cosTransactions-1.3.2
- debugger-4.2.1
- diameter-1.12.1
- eldap-1.2.2
- et-1.6
- gs-1.6.2
- ic-4.4.2
- jinterface-1.7.1
- megaco-3.18.1
- orber-3.8.2
- os_mon-2.4.1
- otp_mibs-1.1.1
- percept-0.9
- reltool-0.7.2
- snmp-5.2.4
- typer-0.9.11
- xmerl-1.3.12
* tag 'OTP-19.2':
Updated OTP version
Prepare release
Conflicts:
OTP_VERSION
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Add the option 'deterministic' to make it easier to
achieve reproducible builds.
This option omits the {options,...} and {source,...} tuples in
M:module_info(compile), because those options may contain absolute
paths.
The author of ERL-310 suggested that only compiler options that
may contain absolute paths (such as {i,...}) should be excluded. But I
find it confusing to keep only some options.
Alternatives considered: Always omitting this information. Since this
information has been available for a long time, that would probably
break some workflows. As an example that some people care about
{source,...}, 2d785c07fbf9 made it possible to give a compiler option
to set {source,...}.
ERL-310
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Update compiler documentation and remove superfluous erlc flags.
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Fix some older errors as well.
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retrieve the value of the environment variable ERL_COMPILER_OPTIONS
in the same manner as used by file/2, forms/2 and output_generated/2
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This reverts commit e020f75c10410a6943cd055bfa072a2641eab7da.
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This reverts commit bd64ad8e15d66e48b36dbe3584315dd5cfc8b59a.
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Fix mistakes found by 'xmllint'.
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