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The raw_abstract_v1 format that is currently used was introduced
in R9C. Beam files that old cannot be executed by the current
run-time system, so there is no need to continue the old formats.
Removing the support will increase coverage.
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We want to see at least some coverage of cover itself.
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* nox/tools/cover-record-update:
Properly munge record updates in cover
Don't munge record and field names in cover
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Trees {record,Line,Arg,Name,Fields} were not munged.
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They are bare atoms, atoms or variables in the abstract format, there is no need to
pass them through munge_expr/2.
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This adds optional names to fun expressions. A named fun expression
is parsed as a tuple `{named_fun,Loc,Name,Clauses}` in erl_parse.
If a fun expression has a name, it must be present and be the same in
every of its clauses. The function name shadows the environment of the
expression shadowing the environment and it is shadowed by the
environment of the clauses' arguments. An unused function name triggers
a warning unless it is prefixed by _, just as every variable.
Variable _ is allowed as a function name.
It is not an error to put a named function in a record field default
value.
When transforming to Core Erlang, the named fun Fun is changed into
the following expression:
letrec 'Fun'/Arity =
fun (Args) ->
let <Fun> = 'Fun'/Arity
in Case
in 'Fun'/Arity
where Args is the list of arguments of 'Fun'/Arity and Case the
Core Erlang expression corresponding to the clauses of Fun.
This transformation allows us to entirely skip any k_var to k_local
transformation in the fun's clauses bodies.
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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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