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Similarly to cover compiling from source
(in this case some user specified compiler options are allowed)
when cover compiling from existing beam
take a filtered list of compiler options from the beamfile.
This way e.g. export_all can be preserved. See use case in eb02beb1c3
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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.
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The option set_on_spawn can now be opted out.
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* lh/demonitor-flush/OTP-11039:
Use erlang:demonitor(Ref, [flush]) where applicable
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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.
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Commit 29231033 made cover fall back to compile info if source was not
found in pwd or ../src. This isn't sufficient for source that lies in
subdirectories of ../src when beams and source have been moved since
compilation (eg. install of some OTP applications), so first try finding
source relative to the beam directory.
For example, given a beam path
/installed/path/to/app-1.0/ebin/root.beam
and a source path
/compiled/path/to/app/src/subdir/root.erl
then look for
/installed/path/to/app-1.0/ebin/../src/subdir/root.erl
before the source path.
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* jv/cover-patches/OTP-10778:
Fix a bug in cover when used with no_auto_import
Ensure cover keeps the proper file source
cover now relies on the compile info to find file sources
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Cover was rewriting guard clauses as non-remote calls.
That said, if a guard contains erlang:is_binary(Binary),
Cover was incorrectly removing the erlang prefix which
lead to errors if is_binary is not auto imported.
This commit keeps the abstract format as it is.
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Whenever a module is compiled via compile:forms/2,
the source is set to current directory unless a source
option is passed to compile. This commit ensures that
cover passes the source information to compile:forms/2
to ensure the source won't be modified after the module
is cover compiled.
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Prior to this commit, cover relied on a simple heuristic that
traverses directory from the beam file to find a source file.
The heuristic was maintained with this patch but, if it fails,
it fallbacks to the source value in the module compile info.
In order to illustrate how it works, one of the tests that
could not find its source now passes successfully (showing the
source lookup is more robust).
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* lh/forget-mnemosyne/OTP-10729:
Remove what remains of the Mnemosyne code
Remove support for the query keyword and query expressions
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* nox/enable-silent-rules/OTP-10726:
Implement ./otp_build configure --enable-silent-rules
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With silent rules, the output of make is less verbose and compilation
warnings are easier to spot. Silent rules are disabled by default and
can be disabled or enabled at will by make V=0 and make V=1.
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* siri/cover/new-bugs-r16/OTP-10638:
[cover] Cleanup by stopping cover between tests
[common_test] Stop cover on slave node after node is terminated
[test_server] Stop cover on node after node is terminated
[cover] Fix timing dependent bug in cover_SUITE:reconnect
[cover] Remove stopped node also from lost_nodes list
[cover] Don't mark stopped node as lost
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Code written by Siri Hansen.
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A nodes that was stopped with cover:stop/1 while marked as lost would
not be removed from the list of lost nodes. Therefore, if a nodeup was
later received for a node with the same name, it would be
reconnected. This has been corrected.
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Nodes that were stopped with cover:stop/1 were marked as lost and
would be reconnected if a nodeup was later received for a node with
the same name. This has been corrected.
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OTP-10523
Earlier, if the connection to a remote cover node was lost, all cover
data was lost and the cover_server on the remote node would die. This
would cause problems if there were cover compiled modules that would
still be executed since they would attempt to write to the no longer
existing ets tables belonging to the cover_server.
This commit changes this behavior so that the cover_server on the
remote node will survive connection loss and continue collecting cover
data. If the connection is re-established then the main node will sync
with the remote node again and cover data will not be lost (unless the
node was down).
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OTP-10523
Since the will probably be cover compiled modules left in the remote
node, we want to keep the cover_server and it's ets tables even if
connection to remote node is lost. This way it will not crash (due to
ets:insert in non existing table) if functions in cover compiled
modules are executed.
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OTP-10523
* Added cover:flush(Nodes), which will fetch data from remote nodes
without stopping cover on those nodes.
* Added cover:get_main_node(), which returns the node name of the main
node. This is used by test_server to avoid {error,not_main_node}
when a slave starts another slave (e.g. in test_server's own tests).
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Xref now accepts filenames with character codes greater than 126.
(Thanks to Emile Joubert for reporting the issue.)
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OTP-10106
OTP-10107
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* pg/fix-cover-leftover-down-msg:
[cover]fix leftover {'DOWN', ..} msg in callers queue
OTP-9694
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Currently, the external fun syntax "fun M:F/A" only supports
literals. That is, "fun lists:reverse/1" is allowed but not
"fun M:F/A".
In many real-life situations, some or all of M, F, A are
not known until run-time, and one is forced to either use
the undocumented erlang:make_fun/3 BIF or to use a
"tuple fun" (which is deprecated).
EEP-23 suggests that the parser (erl_parse) should immediately
transform "fun M:F/A" to "erlang:make_fun(M, F, A)". We have
not followed that approach in this implementation, because we
want the abstract code to mirror the source code as closely
as possible, and we also consider erlang:make_fun/3 to
be an implementation detail that we might want to remove in
the future.
Instead, we will change the abstract format for "fun M:F/A" (in a way
that is not backwards compatible), and while we are at it, we will
move the translation from "fun M:F/A" to "erlang:make_fun(M, F, A)"
from sys_pre_expand down to the v3_core pass. We will also update
the debugger and xref to use the new format.
We did consider making the abstract format backward compatible if
no variables were used in the fun, but decided against it. Keeping
it backward compatible would mean that there would be different
abstract formats for the no-variable and variable case, and tools
would have to handle both formats, probably forever.
Reference: http://www.erlang.org/eeps/eep-0023.html
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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
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File descriptors to import cover data are left opened.
When we export and import cover data many times,
leaked descriptors cause an error.
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