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Use maps instead of 'dict'. Remove the {atom,MacroName} wrappers
that were used for historical reasons.
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The Type argument is always 'atom', so there is no need for the
argument.
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Refactor scan_define() in order to share more between macros
without any arguments and macros with arguments.
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Packages were removed in 34d865a7dfdb33 (R16), but the 'epp'
module was forgotten.
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Unicode support was introduced in R13. The backward compatible code
path in 'io' is unlikely to be used in practice. Therefore, make sure
that the common case of an i/o server supporting unicode requests is
as fast as possible, making sure to get rid of the mathing and
re-building of tuples in the current code. Make the backward
compatible code path work with a minimum of code.
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OTP-13082
* sverk/binary_split_bif:
erts: Minor refactor for binary find BIF backend
erts: Refactor BIF for binary:match,matches,split
erts: Refactor backend of binary:split
erts: Replace 0 with THE_NON_VALUE
stdlib: Add BIF option 'trim_all' to binary:split/3
stdlib: Add BIF binary:split/2 and binary:split/3
Conflicts:
bootstrap/lib/stdlib/ebin/binary.beam
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* maint:
beam_lib: Document all_chunks/1 and build_module/1
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beam_lib:all_chunks/1 and beam_lib:build_module/1 can be useful
for special-purpose stripping, for example to remove the "Line"
chunk.
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The field 'dynamics' in #state{} is a union of two opaque types, which
is possibly problematic. Tagging the types should make the code safe
for warnings from future versions of Dialyzer.
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Record field types have been modified due to commit 8ce35b2:
"Take out automatic insertion of 'undefined' from typed record fields".
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Background
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In record fields with a type declaration but without an initializer, the
Erlang parser inserted automatically the singleton type 'undefined' to
the list of declared types, if that value was not present there.
I.e. the record declaration:
-record(rec, {f1 :: float(),
f2 = 42 :: integer(),
f3 :: some_mod:some_typ()}).
was translated by the parser to:
-record(rec, {f1 :: float() | 'undefined',
f2 = 42 :: integer(),
f3 :: some_mod:some_typ() | 'undefined'}).
The rationale for this was that creation of a "dummy" #rec{} record
should not result in a warning from dialyzer that e.g. the implicit
initialization of the #rec.f1 field violates its type declaration.
Problems
---------
This seemingly innocent action has some unforeseen consequences.
For starters, there is no way for programmers to declare that e.g. only
floats make sense for the f1 field of #rec{} records when there is no
`obvious' default initializer for this field. (This also affects tools
like PropEr that use these declarations produced by the Erlang parser to
generate random instances of records for testing purposes.)
It also means that dialyzer does not warn if e.g. an is_atom/1 test or
something more exotic like an atom_to_list/1 call is performed on the
value of the f1 field.
Similarly, there is no way to extend dialyzer to warn if it finds record
constructions where f1 is not initialized to some float.
Last but not least, it is semantically problematic when the type of the
field is an opaque type: creating a union of an opaque and a structured
type is very problematic for analysis because it fundamentally breaks
the opacity of the term at that point.
Change
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To solve these problems the parser will not automatically insert the
'undefined' value anymore; instead the user has the option to choose the
places where this value makes sense (for the field) and where it does
not and insert the | 'undefined' there manually.
Consequences of this change
----------------------------
This change means that dialyzer will issue a warning for all places
where records with uninitialized fields are created and those fields have
a declared type that is incompatible with 'undefined' (e.g. float()).
This warning can be suppressed easily by adding | 'undefined' to the
type of this field. This also adds documentation that the user really
intends to create records where this field is uninitialized.
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OTP-12032
* tomszilagyi/shell-support-del-home-end:
Erlang shell: Support keys Del, Home and End
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* nybek/supervisor_reporting_error:
Fix supervisor reporting error
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* bjorn/compiler/remove-deprecated/OTP-12979:
core_lib: Remove previously deprecated functions
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* maint:
Update application versions
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* maint:
stdlib: Fix leaking files after error_logger:logfile(close)
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* dgud/stdlib/fix-file-error_log-leak:
stdlib: Fix leaking files after error_logger:logfile(close)
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Introduced when changing state from tuple to record.
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* leoliu/export-catch_exception:
Export shell:catch_exception/1 as documented
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The recently added module erl_anno can no longer handle
negative line numbers.
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* maint:
stdlib: Fix bug with unicode detection in re
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* howleysv/stdlib/compiled-unicode/OTP-12977:
stdlib: Fix bug with unicode detection in re
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Fix bug with unrecognised 'unicode' option in re:split/2,3 &
re:replace/3,4 when using pre-compiled regex.
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* maint:
dialyzer: Add a testcase
Add documentation
Introduce sasl_report_SUITE
Teach sasl_report to limit crash reports
proc_lib: Add format/3
Teach error_logger_tty_h to truncate big messages
error_logger_tty_h: Refactor and modernize code
Teach error_logger_file_h to truncate big messages
error_logger_file_h: Refactor and modernize code
Remove unused code in error logger handlers
Add error_logger_h_SUITE
sasl_SUITE: Add a rudimentary test of the utc_log configuration
sasl_SUITE: Correct the log_file/1 test case
proc_lib_SUITE: Remove added report handlers
zip_SUITE: Don't trust priv_dir to be empty
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We'll need a way to limit the size of the crash report produced
by proc_lib:format(). Add format/3, where the third argument is
a depth argument.
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Add the possibility to truncate big messages to avoid running out
of memory.
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Refactor, simplify, and modernize the code to facilitate future
improvements in the following commits.
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Add the possibility to truncate big messages to avoid running out
of memory.
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Refactor, simplify, and modernize the code to facilitate future
improvements in the following commits.
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A long time ago, errors from the emulator itself was sent as
messages that would end up in the handle_info/2 function.
Those clauses in handle_info/2 can be removed.
The code for handling events tagged 'info' instead of 'info_msg'
can also be taken out.
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* maint:
Optimize zip:unzip/2 when uncompressing to memory
wx: Fix assert log test
debugger: Fix broken debugger:quick/3 start
Remove erlang:now() and random usage in tests
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* dgud/stdlib/zip-optimize/OTP-12950:
Optimize zip:unzip/2 when uncompressing to memory
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Optimize the case where we are appending to the end of the binary, use
binary syntax to create binaries with room for expansion in the next
loop, instead of using iolist_to_binary which creates a binary of the
exact size and needs to be copied in each loop.
Also remove support the unused Acc as iolists.
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* maint:
stdlib: fix a qlc bug introduced in 18.0
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As pointed out by roowe, qlc does not handle errors in early compiler
(scanner, parser) well in OTP 18.0.
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Add support for the Delete, Home and End keys in the Erlang shell.
These keys are ubiquitous on modern keyboards. Having them working
as expected adds to the convenience of working in the shell, since
they are much easier to use than the corresponding Ctrl-{D,A,E} keys.
The implementation is in line with the existing framework of the line
editor and is thus a natural (and minimal) extension.
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The OSE port is no longer supported and this commit removed it
and any changes related to it. The things that were general
improvements have been left in the code.
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* nybek/fix_supervisor_get_childspec:
Fix supervisor:get_childspec/2 for simple_one_for_one
OTP-12841
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* ia/inets/deprecate:
inets: Fix race condition in httpc
inets: Remove use of httpd_conf:clean/1 and httpd_conf:custom_clean/3
inets: Remove use of httpd_conf:make_integer/1
inets: Deprecate functions in util module httpd_conf.erl
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These functions should not be used, there exists better
functions in the standard libraries.
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