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[Feature #21109]
By always freezing when setting the global rb_rs variable, we can ensure
it is not modified and can be accessed from a ractor.
We're also making sure it's an instance of String and does not have any
instance variables.
Of course, if $/ is changed at runtime, it may cause surprising behavior
but doing so is deprecated already anyway.
Co-authored-by: Jean Boussier <[email protected]>
Notes:
Merged: https://github.com/ruby/ruby/pull/12975
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Notes:
Merged: https://github.com/ruby/ruby/pull/12984
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This will add +MOD_GC to the version string and Ruby description when
Ruby is compiled with shared gc support.
When shared GC support is compiled in and a GC module has been loaded
using RUBY_GC_LIBRARY, the version string will include the name of
the currently active GC as reported by the rb_gc_active_gc_name function
in the form
+MOD_GC[gc_name]
[Feature #20794]
Notes:
Merged: https://github.com/ruby/ruby/pull/11872
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[Feature #20205]
The warning now suggests running with --debug-frozen-string-literal:
```
test.rb:3: warning: literal string will be frozen in the future (run with --debug-frozen-string-literal for more information)
```
When using --debug-frozen-string-literal, the location where the string
was created is shown:
```
test.rb:3: warning: literal string will be frozen in the future
test.rb:1: info: the string was created here
```
When resurrecting strings and debug mode is not enabled, the overhead is a simple FL_TEST_RAW.
When mutating chilled strings and deprecation warnings are not enabled,
the overhead is a simple warning category enabled check.
Co-authored-by: Jean Boussier <[email protected]>
Co-authored-by: Nobuyoshi Nakada <[email protected]>
Co-authored-by: Jean Boussier <[email protected]>
Notes:
Merged: https://github.com/ruby/ruby/pull/11893
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They were initially made frozen to avoid false positives for cases such
as:
str = str.dup if str.frozen?
But this may cause bugs and is generally confusing for users.
[Feature #20205]
Co-authored-by: Jean Boussier <[email protected]>
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[Feature #20205]
As a path toward enabling frozen string literals by default in the future,
this commit introduce "chilled strings". From a user perspective chilled
strings pretend to be frozen, but on the first attempt to mutate them,
they lose their frozen status and emit a warning rather than to raise a
`FrozenError`.
Implementation wise, `rb_compile_option_struct.frozen_string_literal` is
no longer a boolean but a tri-state of `enabled/disabled/unset`.
When code is compiled with frozen string literals neither explictly enabled
or disabled, string literals are compiled with a new `putchilledstring`
instruction. This instruction is identical to `putstring` except it marks
the String with the `STR_CHILLED (FL_USER3)` and `FL_FREEZE` flags.
Chilled strings have the `FL_FREEZE` flag as to minimize the need to check
for chilled strings across the codebase, and to improve compatibility with
C extensions.
Notes:
- `String#freeze`: clears the chilled flag.
- `String#-@`: acts as if the string was mutable.
- `String#+@`: acts as if the string was mutable.
- `String#clone`: copies the chilled flag.
Co-authored-by: Jean Boussier <[email protected]>
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* Follow-up of dbbc3583ba432c279f07b1fa0afb0a8a9ba50c91 which broke this.
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Since these files are written in a wide character encoding, stop at
first NUL byte and are actually empty. ASCII-incompatible encodings
have never been supported as source encoding.
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Notes:
Merged: https://github.com/ruby/ruby/pull/7462
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If we don't intend to support this platform, we should probably enable
MJIT for MinGW. However, since the code for https://bugs.ruby-lang.org/issues/18439
is in place, I'm adjusting the test for it in the meantime.
following up https://github.com/ruby/ruby/pull/5363
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fix this failure:
```
configure ... cppflags=-DMJIT_FORCE_ENABLE
...
make test-spec
1)
The -v command line option when used alone prints version and ends FAILED
Expected
"ruby 3.1.0dev (2021-12-18T10:10:42Z master 78c175280b) +MJIT [x86_64-linux]
"
to include "ruby 3.1.0dev (2021-12-18T10:10:42Z master 78c175280b) [x86_64-linux]"
/tmp/ruby/v3/src/trunk-mjit-wait/spec/ruby/command_line/dash_v_spec.rb:9:in `block (3 levels) in <top (required)>'
/tmp/ruby/v3/src/trunk-mjit-wait/spec/ruby/command_line/dash_v_spec.rb:4:in `<top (required)>'
```
http://ci.rvm.jp/results/trunk-mjit-wait@phosphorus-docker/3759943
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Since the YJIT Ruby module is CRuby specific and not meant for general
use, it should live under RubyVM instead of at top level.
Notes:
Merged: https://github.com/ruby/ruby/pull/5038
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https://github.com/ko1/build-ruby/commit/0dbd95c6250594b6ddadc3c4424b071704083187
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```
1)
The -W command line option with :no-experimental suppresses experimental warnings FAILED
Expected "" =~ /is experimental/
to be truthy but was nil
```
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variable pattern
https://github.com/ruby/dev-meeting-log/blob/master/DevelopersMeeting20201210Japan.md#feature-17371-reintroduce-expr-in-pat-ktsj
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* Use UTF-8 as default for Encoding.default_external on Windows
* Document UTF-8 change on Windows to Encoding.default_external
fix https://bugs.ruby-lang.org/issues/16604
Notes:
Merged-By: nurse <[email protected]>
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https://github.com/ruby/ruby/runs/1337845174
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[Feature #17260] One-line pattern matching using tASSOC
R-assignment is rejected instead.
Notes:
Merged-By: nobu <[email protected]>
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By using spec/mspec/tool/remove_old_guards.rb.
Notes:
Merged: https://github.com/ruby/ruby/pull/2997
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Notes:
Merged: https://github.com/ruby/ruby/pull/2892
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This reverts commit bf7a32d22079cc44eb19794e41d82b886d5d17b3.
flip-flop is no longer deprecated.
[Feature #5400]
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