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There is an English word "vast".
This commit changes the name to be more clear name to avoid confusion.
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This patch removes the `VALUE flags` member from the `rb_ast_t` structure making `rb_ast_t` no longer an IMEMO object.
## Background
We are trying to make the Ruby parser generated from parse.y a universal parser that can be used by other implementations such as mruby.
To achieve this, it is necessary to exclude VALUE and IMEMO from parse.y, AST, and NODE.
## Summary (file by file)
- `rubyparser.h`
- Remove the `VALUE flags` member from `rb_ast_t`
- `ruby_parser.c` and `internal/ruby_parser.h`
- Use TypedData_Make_Struct VALUE which wraps `rb_ast_t` `in ast_alloc()` so that GC can manage it
- You can retrieve `rb_ast_t` from the VALUE by `rb_ruby_ast_data_get()`
- Change the return type of `rb_parser_compile_XXXX()` functions from `rb_ast_t *` to `VALUE`
- rb_ruby_ast_new() which internally `calls ast_alloc()` is to create VALUE vast outside ruby_parser.c
- `iseq.c` and `vm_core.h`
- Amend the first parameter of `rb_iseq_new_XXXX()` functions from `rb_ast_body_t *` to `VALUE`
- This keeps the VALUE of AST on the machine stack to prevent being removed by GC
- `ast.c`
- Almost all change is replacement `rb_ast_t *ast` with `VALUE vast` (sorry for the big diff)
- Fix `node_memsize()`
- Now it includes `rb_ast_local_table_link`, `tokens` and script_lines
- `compile.c`, `load.c`, `node.c`, `parse.y`, `proc.c`, `ruby.c`, `template/prelude.c.tmpl`, `vm.c` and `vm_eval.c`
- Follow-up due to the above changes
- `imemo.{c|h}`
- If an object with `imemo_ast` appears, considers it a bug
Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
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Because Kernel#autoload? uses the current namespace, it can lead to
potentially confusing results. We should make it clearer that modules
count as separate namespaces to lookup in.
Co-authored-by: Jeremy Evans <code@jeremyevans.net>
Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
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This `st_table` is used to both mark and pin classes
defined from the C API. But `vm->mark_object_ary` already
does both much more efficiently.
Currently a Ruby process starts with 252 rooted classes,
which uses `7224B` in an `st_table` or `2016B` in an `RArray`.
So a baseline of 5kB saved, but since `mark_object_ary` is
preallocated with `1024` slots but only use `405` of them,
it's a net `7kB` save.
`vm->mark_object_ary` is also being refactored.
Prior to this changes, `mark_object_ary` was a regular `RArray`, but
since this allows for references to be moved, it was marked a second
time from `rb_vm_mark()` to pin these objects.
This has the detrimental effect of marking these references on every
minors even though it's a mostly append only list.
But using a custom TypedData we can save from having to mark
all the references on minor GC runs.
Addtionally, immediate values are now ignored and not appended
to `vm->mark_object_ary` as it's just wasted space.
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assert does not print the bug report, only the file and line number of
the assertion that failed. RUBY_ASSERT prints the full bug report, which
makes it much easier to debug.
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Before this commit, we were mixing a lot of concerns with the prism
compile between RubyVM::InstructionSequence and the general entry
points to the prism parser/compiler.
This commit makes all of the various prism-related APIs mirror
their corresponding APIs in the existing parser/compiler. This means
we now have the correct frame naming, and it's much easier to follow
where the logic actually flows. Furthermore this consolidates a lot
of the prism initialization, making it easier to see where we could
potentially be raising errors.
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When loading Ruby from a file, or parsing using
RubyVM::InstructionSequence.
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Code loaded via Kernel#load can modify the global namespace even
if the wrap parameter is provided.
Fixes [Bug #19990]
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Introduce runtime flag for specifying the parser,
```
ruby --parser=prism
```
also update the description:
```
$ ruby --parser=prism --version
ruby 3.3.0dev (2023-12-08T04:47:14Z add-parser-runtime.. 0616384c9f) +PRISM [x86_64-darwin23]
```
[Bug #20044]
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#20005]
This is a C API for extensions to resolve and get function symbols of other extensions.
Extensions can check the expected symbol is correctly loaded and accessible, and
use it if it is available.
Otherwise, extensions can raise their own error to guide users to setup their
environments correctly and what's missing.
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Loading an extension library with ".dll" suffix on Windows was very
old behavior, and the suffix must be ".so" since 2004. See commits
removing DLEXT2 181a3a2af5df88d145b73a060d51fe437c8c4ad4 and
b76ad15ed0da636161de0243c547ee1e6fc95681.
Instead, use macOS as an example, which uses ".bundle".
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when the RUBY_FREE_ON_SHUTDOWN environment variable is set, manually free memory at shutdown.
Co-authored-by: Nobuyoshi Nakada <nobu@ruby-lang.org>
Co-authored-by: Peter Zhu <peter@peterzhu.ca>
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This reverts commit 9b76c7fc89460ed8e9be40e4037c1d68395c0f6d.
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Enable Prism using either --prism
ruby --prism test.rb
or via env var
RUBY_PRISM=1 ruby test.rb
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`Kernel#require` converts feature name objects that have the `to_path`
method such as `Pathname`, but had used the original object on error
and had resulted in an unexpected `TypeError`.
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Fix segfault on icc 2023.2.
An optimizer may allocate this argument to a register, and it may be
clobbered by `longjmp`, e.g. exceptions.
Notes:
Merged: https://github.com/ruby/ruby/pull/8135
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Number of lstat and stat syscalls for each 'require'd file is doubled,
because rb_realpath_internal is called from two places with the same
arguments in require_internal; once for checking the realpaths cache,
and once in load_iseq_eval when iseq is not found.
Introduce rb_realpath_internal_cached function to reuse the realpath_map
cache which memoizes rb_realpath_internal function, leading to less
syscalls and increased startup performance depending on the cost of the syscalls
in a particular environment.
Notes:
Merged: https://github.com/ruby/ruby/pull/8017
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Introduce Universal Parser mode for the parser.
This commit includes these changes:
* Introduce `UNIVERSAL_PARSER` macro. All of CRuby related functions
are passed via `struct rb_parser_config_struct` when this macro is enabled.
* Add CI task with 'cppflags=-DUNIVERSAL_PARSER' for ubuntu.
Notes:
Merged: https://github.com/ruby/ruby/pull/7927
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After [1], using ext/Setup to link some, but not all extensions failed
during linking. I did not know about this option, and had assumed that
only `--with-static-linked-ext` builds can include statically linked
extensions.
Include the support code for statically linked extensions in all
configurations like before [1]. Initialize the table lazily to minimize
footprint on builds that have no statically linked extensions.
[1]: 790cf4b6d0475614afb127b416e87cfa39044d67 "Fix autoload status of
statically linked extensions"
Notes:
Merged: https://github.com/ruby/ruby/pull/7729
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Rebuilding the loaded feature index slowed down with the bug fix
for #17885 in 79a4484a072e9769b603e7b4fbdb15b1d7eccb15. The
slowdown was extreme if realpath emulation was used, but even when
not emulated, it could be about 10x slower.
This adds loaded_features_realpath_map to rb_vm_struct. This is a
hidden hash mapping loaded feature paths to realpaths. When
rebuilding the loaded feature index, look at this hash to get
cached realpath values, and skip calling rb_check_realpath if a
cached value is found.
Fixes [Bug #19246]
Notes:
Merged: https://github.com/ruby/ruby/pull/7699
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This reverts commit 35136e1e9c232ad7a03407b992b2e86b6df43f63.
test-spec has been failing since this revision.
.github/workflows/compilers.yml:82
https://github.com/ruby/ruby/actions/runs/4276884159/jobs/7445299562
```
env:
# Minimal flags to pass the check.
default_cc: 'gcc-11 -fcf-protection -Wa,--generate-missing-build-notes=yes'
optflags: '-O2'
LDFLAGS: '-Wl,-z,now'
# FIXME: Drop skipping options
# https://bugs.ruby-lang.org/issues/18061
# https://sourceware.org/annobin/annobin.html/Test-pie.html
TEST_ANNOCHECK_OPTS: "--skip-pie --skip-gaps"
```
Failure:
```
1)
An exception occurred during: Kernel#require (file extensions) does not load a C-extension file if a complex-extensioned .rb file is already loaded
/__w/ruby/ruby/src/spec/ruby/core/kernel/shared/require.rb:317
Kernel#require (file extensions) does not load a C-extension file if a complex-extensioned .rb file is already loaded ERROR
LeakError: Leaked file descriptor: 8 : #<File:/__w/ruby/ruby/src/spec/ruby/fixtures/code/load_fixture.ext.rb>
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_spec.rb:5:in `<top (required)>'
2)
An exception occurred during: Kernel#require ($LOADED_FEATURES) stores an absolute path
/__w/ruby/ruby/src/spec/ruby/core/kernel/shared/require.rb:330
Kernel#require ($LOADED_FEATURES) stores an absolute path ERROR
LeakError: Closed file descriptor: 8
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_spec.rb:5:in `<top (required)>'
3)
An exception occurred during: Kernel#require ($LOADED_FEATURES) does not load a non-canonical path for a file already loaded
/__w/ruby/ruby/src/spec/ruby/core/kernel/shared/require.rb:535
Kernel#require ($LOADED_FEATURES) does not load a non-canonical path for a file already loaded ERROR
LeakError: Leaked file descriptor: 8 : #<File:/__w/ruby/ruby/src/spec/ruby/fixtures/code/load_fixture.rb>
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_spec.rb:5:in `<top (required)>'
4)
An exception occurred during: Kernel#require ($LOADED_FEATURES) does not load a ../ relative path for a file already loaded
/__w/ruby/ruby/src/spec/ruby/core/kernel/shared/require.rb:551
Kernel#require ($LOADED_FEATURES) does not load a ../ relative path for a file already loaded ERROR
LeakError: Leaked file descriptor: 9 : #<File:../code/load_fixture.rb>
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_spec.rb:5:in `<top (required)>'
5)
An exception occurred during: Kernel#require ($LOADED_FEATURES) complex, enumerator, rational, thread, ruby2_keywords are already required
/__w/ruby/ruby/src/spec/ruby/core/kernel/shared/require.rb:563
Kernel#require ($LOADED_FEATURES) complex, enumerator, rational, thread, ruby2_keywords are already required ERROR
LeakError: Closed file descriptor: 8
Closed file descriptor: 9
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_spec.rb:5:in `<top (required)>'
6)
An exception occurred during: Kernel.require (file extensions) does not load a C-extension file if a complex-extensioned .rb file is already loaded
/__w/ruby/ruby/src/spec/ruby/core/kernel/shared/require.rb:317
Kernel.require (file extensions) does not load a C-extension file if a complex-extensioned .rb file is already loaded ERROR
LeakError: Leaked file descriptor: 8 : #<File:/__w/ruby/ruby/src/spec/ruby/fixtures/code/load_fixture.ext.rb>
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_spec.rb:23:in `<top (required)>'
7)
An exception occurred during: Kernel.require ($LOADED_FEATURES) stores an absolute path
/__w/ruby/ruby/src/spec/ruby/core/kernel/shared/require.rb:330
Kernel.require ($LOADED_FEATURES) stores an absolute path ERROR
LeakError: Closed file descriptor: 8
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_spec.rb:23:in `<top (required)>'
8)
An exception occurred during: Kernel.require ($LOADED_FEATURES) does not load a non-canonical path for a file already loaded
/__w/ruby/ruby/src/spec/ruby/core/kernel/shared/require.rb:535
Kernel.require ($LOADED_FEATURES) does not load a non-canonical path for a file already loaded ERROR
LeakError: Leaked file descriptor: 8 : #<File:/__w/ruby/ruby/src/spec/ruby/fixtures/code/load_fixture.rb>
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_spec.rb:23:in `<top (required)>'
9)
An exception occurred during: Kernel.require ($LOADED_FEATURES) does not load a ../ relative path for a file already loaded
/__w/ruby/ruby/src/spec/ruby/core/kernel/shared/require.rb:551
Kernel.require ($LOADED_FEATURES) does not load a ../ relative path for a file already loaded ERROR
LeakError: Leaked file descriptor: 9 : #<File:../code/load_fixture.rb>
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_spec.rb:23:in `<top (required)>'
10)
An exception occurred during: Kernel.require ($LOADED_FEATURES) complex, enumerator, rational, thread, ruby2_keywords are already required
/__w/ruby/ruby/src/spec/ruby/core/kernel/shared/require.rb:563
Kernel.require ($LOADED_FEATURES) complex, enumerator, rational, thread, ruby2_keywords are already required ERROR
LeakError: Closed file descriptor: 8
Closed file descriptor: 9
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_spec.rb:23:in `<top (required)>'
11)
An exception occurred during: Kernel#require_relative with a relative path (file extensions) does not load a C-extension file if a complex-extensioned .rb file is already loaded
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_relative_spec.rb:197
Kernel#require_relative with a relative path (file extensions) does not load a C-extension file if a complex-extensioned .rb file is already loaded ERROR
LeakError: Leaked file descriptor: 8 : #<File:/__w/ruby/ruby/src/spec/ruby/fixtures/code/load_fixture.ext.rb>
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_relative_spec.rb:4:in `<top (required)>'
12)
An exception occurred during: Kernel#require_relative with a relative path ($LOADED_FEATURES) stores an absolute path
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_relative_spec.rb:205
Kernel#require_relative with a relative path ($LOADED_FEATURES) stores an absolute path ERROR
LeakError: Closed file descriptor: 8
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_relative_spec.rb:4:in `<top (required)>'
13)
An exception occurred during: Kernel#require_relative with an absolute path (file extensions) does not load a C-extension file if a complex-extensioned .rb file is already loaded
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_relative_spec.rb:399
Kernel#require_relative with an absolute path (file extensions) does not load a C-extension file if a complex-extensioned .rb file is already loaded ERROR
LeakError: Leaked file descriptor: 8 : #<File:/__w/ruby/ruby/src/spec/ruby/fixtures/code/load_fixture.ext.rb>
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_relative_spec.rb:277:in `<top (required)>'
14)
An exception occurred during: Kernel#require_relative with an absolute path ($LOAD_FEATURES) stores an absolute path
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_relative_spec.rb:407
Kernel#require_relative with an absolute path ($LOAD_FEATURES) stores an absolute path ERROR
LeakError: Closed file descriptor: 8
/__w/ruby/ruby/src/spec/ruby/core/kernel/require_relative_spec.rb:277:in `<top (required)>'
```
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When loading Ruby source files, we can save the result of
successful opens as open(2)/openat(2) are a fairly expensive
syscalls. This also avoids a time-of-check-to-time-of-use
(TOCTTOU) problem.
This reduces open(2) syscalls during `require'; but should be
most apparent when users have a small $LOAD_PATH. Users with
large $LOAD_PATH will benefit less since there'll be more
open(2) failures due to ENOENT.
With `strace -c -e openat ruby -e exit' under Linux, this
results in a ~14% reduction of openat(2) syscalls
(glibc uses openat(2) to implement open(2)).
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
0.00 0.000000 0 296 110 openat
0.00 0.000000 0 254 110 openat
Additionally, the introduction of `struct ruby_file_load_state'
may make future optimizations more apparent.
This change cannot benefit binary (.so) loading since the
dlopen(3) API requires a filename and I'm not aware of an
alternative that takes a pre-existing FD. In typical
situations, Ruby source files outnumber the mount of .so
files.
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[Bug #19415]
If multiple threads attemps to load the same file concurrently
it's not a circular dependency issue.
So we check that the existing ThreadShield is owner by the current
fiber before warning about circular dependencies.
Notes:
Merged: https://github.com/ruby/ruby/pull/7257
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This reverts commit fa49651e05a06512e18ccb2f54a7198c9ff579de.
Notes:
Merged: https://github.com/ruby/ruby/pull/7256
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[Bug #19415]
If multiple threads attemps to load the same file concurrently
it's not a circular dependency issue.
So we check that the existing ThreadShield is owner by the current
fiber before warning about circular dependencies.
Notes:
Merged: https://github.com/ruby/ruby/pull/7252
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rb_fstring already resizes and freezes the string, so there's no
need to use rb_str_freeze.
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Previously, for statically-linked extensions, we used
`vm->loading_table` to delay calling the init function until the
extensions are required. This caused the extensions to look like they
are in the middle of being loaded even before they're required.
(`rb_feature_p()` returned true with a loading path output.) Combined
with autoload, queries like `defined?(CONST)` and `Module#autoload?`
were confused by this and returned nil incorrectly. RubyGems uses
`defined?` to detect if OpenSSL is available and failed when OpenSSL was
available in builds using `--with-static-linked-ext`.
Use a dedicated table for the init functions instead of adding them to
the loading table. This lets us remove some logic from non-EXTSTATIC
builds.
[Bug #19115]
Notes:
Merged: https://github.com/ruby/ruby/pull/6756
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We use this code path when we require the same extension twice, so it's
not necessarily about the feature being statically linked. Removing this
code when there is no statically linked extensions leads to breakage.
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This patch pushes dummy frames when loading code for the
profiling purpose.
The following methods push a dummy frame:
* `Kernel#require`
* `Kernel#load`
* `RubyVM::InstructionSequence.compile_file`
* `RubyVM::InstructionSequence.load_from_binary`
https://bugs.ruby-lang.org/issues/18559
Notes:
Merged: https://github.com/ruby/ruby/pull/6572
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rb_ary_tmp_new suggests that the array is temporary in some way, but
that's not true, it just creates an array that's hidden and not on the
transient heap. This commit renames it to rb_ary_hidden_new.
Notes:
Merged: https://github.com/ruby/ruby/pull/6180
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[Misc #18891]
Notes:
Merged: https://github.com/ruby/ruby/pull/6094
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darray was used in YJIT which required the functions to not trigger GC.
YJIT has now moved to Rust and does not use darray anymore, so we can
remove the functions that don't trigger GC and only keep the ones that
trigger GC.
Notes:
Merged: https://github.com/ruby/ruby/pull/5874
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In December 2021, we opened an [issue] to solicit feedback regarding the
porting of the YJIT codebase from C99 to Rust. There were some
reservations, but this project was given the go ahead by Ruby core
developers and Matz. Since then, we have successfully completed the port
of YJIT to Rust.
The new Rust version of YJIT has reached parity with the C version, in
that it passes all the CRuby tests, is able to run all of the YJIT
benchmarks, and performs similarly to the C version (because it works
the same way and largely generates the same machine code). We've even
incorporated some design improvements, such as a more fine-grained
constant invalidation mechanism which we expect will make a big
difference in Ruby on Rails applications.
Because we want to be careful, YJIT is guarded behind a configure
option:
```shell
./configure --enable-yjit # Build YJIT in release mode
./configure --enable-yjit=dev # Build YJIT in dev/debug mode
```
By default, YJIT does not get compiled and cargo/rustc is not required.
If YJIT is built in dev mode, then `cargo` is used to fetch development
dependencies, but when building in release, `cargo` is not required,
only `rustc`. At the moment YJIT requires Rust 1.60.0 or newer.
The YJIT command-line options remain mostly unchanged, and more details
about the build process are documented in `doc/yjit/yjit.md`.
The CI tests have been updated and do not take any more resources than
before.
The development history of the Rust port is available at the following
commit for interested parties:
https://github.com/Shopify/ruby/commit/1fd9573d8b4b65219f1c2407f30a0a60e537f8be
Our hope is that Rust YJIT will be compiled and included as a part of
system packages and compiled binaries of the Ruby 3.2 release. We do not
anticipate any major problems as Rust is well supported on every
platform which YJIT supports, but to make sure that this process works
smoothly, we would like to reach out to those who take care of building
systems packages before the 3.2 release is shipped and resolve any
issues that may come up.
[issue]: https://bugs.ruby-lang.org/issues/18481
Co-authored-by: Maxime Chevalier-Boisvert <maximechevalierb@gmail.com>
Co-authored-by: Noah Gibbs <the.codefolio.guy@gmail.com>
Co-authored-by: Kevin Newton <kddnewton@gmail.com>
Notes:
Merged: https://github.com/ruby/ruby/pull/5826
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[Bug #18599]
`vm->loaded_features` and `vm->loaded_features_snapshot` both share the
same root. When a feature is pushed into `loaded_features`, the sharing
is broken and `loaded_features` is copied.
So an application requiring 1000 files, will allocate 1000 arrays of
increasing size, which is very wasteful.
To avoid this, we first clear the snapshot, so that `loaded_features`
can directly be pushed into.
Co-Authored-By: Peter Zhu <peter.zhu@shopify.com>
Notes:
Merged: https://github.com/ruby/ruby/pull/5593
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Using a fake (malloc) RArray is not friendly for the garbage
collector. Fake RArray does not have a heap page, so it causes Variable
Width Allocation to crash when we try to implement it on Arrays.
This commit changes feature_index from a RArray to a darray.
Notes:
Merged: https://github.com/ruby/ruby/pull/5546
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Previously this was being incorrectly swapped with TAG_RAISE in the next
line. This would end up checking the T_IMEMO throw_data to the exception
handling (which calls Module#===). This happened to not break existing
tests because Module#=== returned false when klass is NULL.
This commit handles throw from require correctly by jumping to the tag
retaining the TAG_THROW state.
Notes:
Merged: https://github.com/ruby/ruby/pull/5513
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Instead of always using a new anonymous module for Kernel#load if
the wrap argument is not false/nil, use the given module if a module
is provided.
Implements [Feature #6210]
Notes:
Merged: https://github.com/ruby/ruby/pull/4986
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Notes:
Merged: https://github.com/ruby/ruby/pull/4948
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