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Author SHA1 Message Date
Yukihiro "Matz" Matsumoto 3a5c45f282 NEWS.md: update for recent changes 
Add entries for language changes (case/in NoMatchingPatternError,
compound statement in tLPAREN_ARG), C API additions (mrb_bigint_p(),
RVALUE union), compiler optimizations (literal chunking), build
fixes (MSYS2), security fixes, and 26 merged pull requests.

Co-authored-by: Claude <noreply@anthropic.com>
 2026-04-02 20:17:19 +09:00
Yukihiro "Matz" Matsumoto ac9f7aedd2 Merge pull request #6767 from mruby/fix/lparen-arg-compstmt 2026-03-30 07:54:31 +09:00
Yukihiro "Matz" Matsumoto 919cbd8fea mruby-compiler: allow compound statement in tLPAREN_ARG 
Change the grammar rule for tLPAREN_ARG from accepting only a
single stmt to accepting compstmt. This allows compound
statements with semicolons inside parenthesized arguments when
the parenthesis is preceded by a space, e.g., `p (f1; f2)`.

This matches the behavior of CRuby 3.3+.

Fixes #6766.

Co-authored-by: Claude <noreply@anthropic.com>
 2026-03-30 07:06:30 +09:00
Yukihiro "Matz" Matsumoto 801eefeab6 Merge pull request #6765 from khasinski/fix-lazy-flat-map 2026-03-29 22:55:13 +09:00
Chris Hasiński 8f71887e46 Improve flat_map test descriptions for clarity 2026-03-28 23:14:46 +01:00
Chris Hasiński 3f52ef6cfc Fix Lazy#flat_map to handle non-enumerable block return values 
When the block passed to Lazy#flat_map returns a non-enumerable value
(e.g. an Integer), mruby raised NoMethodError because it unconditionally
called #each on the result. CRuby yields non-enumerable values directly.

Use respond_to?(:each) to match CRuby behavior: iterate enumerable
results, yield non-enumerable results as-is.
 2026-03-28 22:59:11 +01:00
Yukihiro "Matz" Matsumoto 28c5b1b17b Merge pull request #6763 from mruby/dependabot/github_actions/github-actions-dependencies-19ba90ca6e 2026-03-26 14:27:05 +09:00
dependabot[bot] d50932c50f build(deps): bump j178/prek-action 
Bumps the github-actions-dependencies group with 1 update: [j178/prek-action](https://github.com/j178/prek-action).


Updates `j178/prek-action` from 1 to 2
- [Release notes](https://github.com/j178/prek-action/releases)
- [Commits](https://github.com/j178/prek-action/compare/v1...v2)

---
updated-dependencies:
- dependency-name: j178/prek-action
  dependency-version: '2'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-actions-dependencies
...

Signed-off-by: dependabot[bot] <support@github.com>
 2026-03-25 14:54:41 +00:00
Yukihiro "Matz" Matsumoto b7e3743130 Merge pull request #6762 from mruby/fix-test-build-race 2026-03-25 15:49:46 +09:00
Yukihiro "Matz" Matsumoto 805e6dbc33 Merge pull request #6761 from mruby/fix-gc-unregister-leak 2026-03-25 15:44:44 +09:00
Yukihiro "Matz" Matsumoto e8c5e7c0cd mruby-test: write generated C files atomically to avoid race condition 
With `rake -m`, the C compiler can start reading a partially-written
gem_test.c before generation completes. Write to a .tmp file first,
then rename to the final path.

Co-authored-by: Claude <noreply@anthropic.com>
 2026-03-25 15:32:36 +09:00
Yukihiro "Matz" Matsumoto ab249864cc gc.c: remove all matching entries in mrb_gc_unregister() 
Previously only the first match was removed, leaking duplicate
entries when the same object was registered multiple times.
Use two-pointer compaction for O(N) removal.

Fixes #6760.

Co-authored-by: Claude <noreply@anthropic.com>
 2026-03-25 15:29:27 +09:00
Yukihiro "Matz" Matsumoto c2b588139f Merge pull request #6758 from dearblue/vm 2026-03-25 15:17:02 +09:00
Yukihiro "Matz" Matsumoto 21dc829903 Merge pull request #6759 from dearblue/bigint 2026-03-25 15:15:49 +09:00
dearblue 6c4a8c09db Define mrb_bigint_p() always. 
Define the `mrb_bigint_p()` macro function, which returns false if `MRB_USE_BIGINT` is undefined.
 2026-03-24 22:16:15 +09:00
dearblue c52faebb7f Don't assign the result of mrb_funcall() directly to regs 
There are two reasons:

  - If the mruby call stack is extended, the `ci` variable may become invalid.
  - The C language does not specify the order in which the left-hand and right-hand sides of an assignment expression are evaluated.
    Therefore, if the mruby data stack is extended, `ci->stack` may become invalid.
 2026-03-24 21:25:46 +09:00
Yukihiro "Matz" Matsumoto f61ab96689 Merge pull request #6756 from dearblue/array-ext 2026-03-24 15:04:58 +09:00
Yukihiro "Matz" Matsumoto 07a6c6e56b Merge pull request #6757 from mruby/dependabot/pre_commit/pre-commit-hooks-ae77450b09 2026-03-24 09:30:46 +09:00
dependabot[bot] 45ebb3d0c8 build(deps): bump https://github.com/rubocop/rubocop 
Bumps the pre-commit-hooks group with 1 update: [https://github.com/rubocop/rubocop](https://github.com/rubocop/rubocop).


Updates `https://github.com/rubocop/rubocop` from v1.85.1 to 1.86.0
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop/compare/v1.85.1...v1.86.0)

---
updated-dependencies:
- dependency-name: https://github.com/rubocop/rubocop
  dependency-version: 1.86.0
  dependency-type: direct:production
  dependency-group: pre-commit-hooks
...

Signed-off-by: dependabot[bot] <support@github.com>
 2026-03-23 15:23:09 +00:00
dearblue 2135088ada Avoid the impact of object modifications caused by calls to mrb_vm_exec() 
Several methods defined in mruby-array-ext are written in C and may call `mrb_vm_exec()`.
If array objects are modified on the Ruby side, problems may arise in subsequent processing.

  - Using objects that have been removed from the array and garbage collected
  - Using pointers or array lengths that have become invalid due to changes to the array object
  - Modifying the contents of a shared array object directly

ref: https://github.com/mruby/mruby/issues/6662
 2026-03-22 23:05:37 +09:00
Yukihiro "Matz" Matsumoto 04f998238e Merge pull request #6755 from leviongit/vm/karg/delete-return 2026-03-21 17:03:27 +09:00
Yukihiro "Matz" Matsumoto affcbb000b Merge pull request #6754 from leviongit/core/attr_accessor/nullary 2026-03-21 17:02:24 +09:00
Yukihiro "Matz" Matsumoto ff5e6a2491 Merge pull request #6753 from dearblue/array.product 2026-03-21 16:57:49 +09:00
leviongit e8d0750458 reload ci after mrb_hash_delete_key 2026-03-20 21:35:26 +01:00
leviongit 88e356e7da remove redundant mrb_hash_get call 
`mrb_hash_delete` returns the removed element (which is guaranteed to
exist due to the `mrb_hash_key_p` check), this prevents the hash from
being searched twice.
 2026-03-20 21:20:18 +01:00
leviongit 95ece95e37 prefer marking the procs implementing attr_reader methods as noarg 
this commit works on #6752 so it doesn't require a call to
`mrb_get_args`
 2026-03-20 19:14:54 +01:00
dearblue 98d763603c Further optimize Array#product 
Replace `__product_group` method with `__product_generate` and `__product_next`.
This change eliminates the need for Ruby to perform internal state calculations, allowing it to simply receive the results.
 2026-03-20 21:13:52 +09:00
Yukihiro "Matz" Matsumoto 01ce2f8c71 Merge pull request #6747 from katafrakt/handle-hash-default-arg 2026-03-20 16:44:27 +09:00
Yukihiro "Matz" Matsumoto f08dede1d9 Merge pull request #6752 from khasinski/fix-attr-reader-arity 2026-03-20 16:40:45 +09:00
Yukihiro "Matz" Matsumoto 3bfe703f80 Merge pull request #6750 from dearblue/array.product 2026-03-20 10:24:10 +09:00
Yukihiro "Matz" Matsumoto e82fa70004 Merge pull request #6749 from hasumikin/fix/microcontroller-profile 2026-03-20 10:22:32 +09:00
Yukihiro "Matz" Matsumoto 8d53f65b96 Merge pull request #6748 from jbampton/clean-up-workflows 2026-03-20 10:21:45 +09:00
Chris Hasiński c0b1e87c09 Fix attr_reader-generated methods accepting extra arguments 
attr_reader-generated getter methods silently ignored any arguments
passed to them. CRuby raises ArgumentError in this case.

Add mrb_get_args(mrb, "") to enforce zero arguments, matching CRuby.
 2026-03-19 23:12:14 +01:00
dearblue 8441eaf633 Fixed "Out-of-bounds Read" and "Divide-by-Zero" in ary_product_group() 
Reproduction:

  - Out-of-bounds Read

    ```console
    % build/host/bin/mruby -e '([nil] * 256).__product_group([[nil] * 256], 1 << 32, 256)'
    zsh: segmentation fault (core dumped)  build/host/bin/mruby -e
    ```

  - Divide-by-Zero

    ```console
    % build/host/bin/mruby -e '([nil] * 256).__product_group([[]], 1 << 32, 256)'
    zsh: floating point exception (core dumped)  build/host/bin/mruby -e '([nil] * 256).__product_group([[]], 1 << 32, 256)'
    ```
 2026-03-19 23:11:06 +09:00
HASUMI Hitoshi 736a72cdc9 [skip ci] Update include/mrbconf.h 
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>
 2026-03-19 09:50:15 +09:00
HASUMI Hitoshi 5e9eed2d0c Fix KHASH_DEFAULT_SIZE to KHASH_INITIAL_SIZE rename inconsistencies 
Commit 250bf6edd renamed KHASH_DEFAULT_SIZE to KHASH_INITIAL_SIZE but
missed updating build_config files and documentation. Also restore the
default value in khash.h to 32, consistent with the documented default
and the profile hierarchy (MRB_CONSTRAINED_BASELINE_PROFILE reduces it
to 16).
 2026-03-19 09:38:36 +09:00
John Bampton 80d84188fd pre-commit bump Node.js 2026-03-18 17:57:33 +10:00
John Bampton 55ef8e1728 Update workflows 2026-03-18 17:57:05 +10:00
Paweł Świątkowski 13d9d770fc Correctly handle empty hash as default named argument 
```
def func(arg: {})
  p arg
end
```

This used to work in earlier mruby versions, but broke somewhere recently.
 2026-03-18 08:53:20 +01:00
Yukihiro "Matz" Matsumoto a41eeaed33 Merge pull request #6735 from dearblue/presym 2026-03-16 21:55:22 +09:00
Yukihiro "Matz" Matsumoto 4ed4326dd5 Merge pull request #6746 from mruby/dependabot/pre_commit/pre-commit-hooks-6e50fbf5c1 2026-03-16 21:47:31 +09:00
dearblue 000acedc35 Prevent full recompilation without changes to presym file 
Commit b9a1a1fb23 is a revert of commit 8df9a22a85, differing only in the comment.
This means the issue from https://github.com/mruby/mruby/issues/6721 has reappeared.

The cause of https://github.com/mruby/mruby/issues/6721, as stated in the commit message for commit 8df9a22a85, is that each ".o" file has an indirect dependency on all ".pi" files through the presym file.

This patch therefore adds a proxy-like task `gensym:update:#{build.name}` between tasks.
Its purpose is to hide the direct dependency from ".o" files to the presym file from the rake system.
 2026-03-14 17:14:37 +09:00
dependabot[bot] 14e98c60c3 build(deps): bump the pre-commit-hooks group across 1 directory with 8 updates 
Bumps the pre-commit-hooks group with 8 updates in the / directory:

| Package | From | To |
| --- | --- | --- |
| [https://github.com/gitleaks/gitleaks](https://github.com/gitleaks/gitleaks) | `v8.30.0` | `8.30.1` |
| [https://github.com/oxipng/oxipng](https://github.com/oxipng/oxipng) | `v10.0.0` | `10.1.0` |
| [https://github.com/Lucas-C/pre-commit-hooks](https://github.com/Lucas-C/pre-commit-hooks) | `v1.5.5` | `1.5.6` |
| [https://github.com/rhysd/actionlint](https://github.com/rhysd/actionlint) | `v1.7.9` | `1.7.11` |
| [https://github.com/codespell-project/codespell](https://github.com/codespell-project/codespell) | `v2.4.1` | `2.4.2` |
| [https://github.com/igorshubovych/markdownlint-cli](https://github.com/igorshubovych/markdownlint-cli) | `v0.46.0` | `0.48.0` |
| [https://github.com/rubocop/rubocop](https://github.com/rubocop/rubocop) | `v1.81.7` | `1.85.1` |
| [https://github.com/adrienverge/yamllint](https://github.com/adrienverge/yamllint) | `v1.37.1` | `1.38.0` |



Updates `https://github.com/gitleaks/gitleaks` from v8.30.0 to 8.30.1
- [Release notes](https://github.com/gitleaks/gitleaks/releases)
- [Commits](https://github.com/gitleaks/gitleaks/compare/v8.30.0...v8.30.1)

Updates `https://github.com/oxipng/oxipng` from v10.0.0 to 10.1.0
- [Release notes](https://github.com/oxipng/oxipng/releases)
- [Changelog](https://github.com/oxipng/oxipng/blob/master/CHANGELOG.md)
- [Commits](https://github.com/oxipng/oxipng/compare/v10.0.0...v10.1.0)

Updates `https://github.com/Lucas-C/pre-commit-hooks` from v1.5.5 to 1.5.6
- [Release notes](https://github.com/Lucas-C/pre-commit-hooks/releases)
- [Commits](https://github.com/Lucas-C/pre-commit-hooks/compare/v1.5.5...v1.5.6)

Updates `https://github.com/rhysd/actionlint` from v1.7.9 to 1.7.11
- [Release notes](https://github.com/rhysd/actionlint/releases)
- [Changelog](https://github.com/rhysd/actionlint/blob/main/CHANGELOG.md)
- [Commits](https://github.com/rhysd/actionlint/compare/v1.7.9...v1.7.11)

Updates `https://github.com/codespell-project/codespell` from v2.4.1 to 2.4.2
- [Release notes](https://github.com/codespell-project/codespell/releases)
- [Commits](https://github.com/codespell-project/codespell/compare/v2.4.1...v2.4.2)

Updates `https://github.com/igorshubovych/markdownlint-cli` from v0.46.0 to 0.48.0
- [Release notes](https://github.com/igorshubovych/markdownlint-cli/releases)
- [Commits](https://github.com/igorshubovych/markdownlint-cli/compare/v0.46.0...v0.48.0)

Updates `https://github.com/rubocop/rubocop` from v1.81.7 to 1.85.1
- [Release notes](https://github.com/rubocop/rubocop/releases)
- [Changelog](https://github.com/rubocop/rubocop/blob/master/CHANGELOG.md)
- [Commits](https://github.com/rubocop/rubocop/compare/v1.81.7...v1.85.1)

Updates `https://github.com/adrienverge/yamllint` from v1.37.1 to 1.38.0
- [Release notes](https://github.com/adrienverge/yamllint/releases)
- [Changelog](https://github.com/adrienverge/yamllint/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/adrienverge/yamllint/compare/v1.37.1...v1.38.0)

---
updated-dependencies:
- dependency-name: https://github.com/gitleaks/gitleaks
  dependency-version: 8.30.1
  dependency-type: direct:production
  dependency-group: pre-commit-hooks
- dependency-name: https://github.com/oxipng/oxipng
  dependency-version: 10.1.0
  dependency-type: direct:production
  dependency-group: pre-commit-hooks
- dependency-name: https://github.com/Lucas-C/pre-commit-hooks
  dependency-version: 1.5.6
  dependency-type: direct:production
  dependency-group: pre-commit-hooks
- dependency-name: https://github.com/rhysd/actionlint
  dependency-version: 1.7.11
  dependency-type: direct:production
  dependency-group: pre-commit-hooks
- dependency-name: https://github.com/codespell-project/codespell
  dependency-version: 2.4.2
  dependency-type: direct:production
  dependency-group: pre-commit-hooks
- dependency-name: https://github.com/igorshubovych/markdownlint-cli
  dependency-version: 0.48.0
  dependency-type: direct:production
  dependency-group: pre-commit-hooks
- dependency-name: https://github.com/rubocop/rubocop
  dependency-version: 1.85.1
  dependency-type: direct:production
  dependency-group: pre-commit-hooks
- dependency-name: https://github.com/adrienverge/yamllint
  dependency-version: 1.38.0
  dependency-type: direct:production
  dependency-group: pre-commit-hooks
...

Signed-off-by: dependabot[bot] <support@github.com>
 2026-03-13 14:57:23 +00:00
Yukihiro "Matz" Matsumoto eb7d0b86d7 Merge pull request #6736 from jbampton/add-dependabot-pre-commit 2026-03-12 17:16:48 +09:00
John Bampton 9bdf998faa Add pre-commit ecosystem to Dependabot 
Group dependabot updates to reduce repo noise

Add descriptive group labels

https://github.blog/changelog/2026-03-10-dependabot-now-supports-pre-commit-hooks/

https://docs.github.com/en/code-security/reference/supply-chain-security/dependabot-options-reference#package-ecosystem-
 2026-03-12 16:59:11 +10:00
Yukihiro "Matz" Matsumoto 457a50b485 Merge pull request #6744 from mruby/fix/case-in-no-match-error 2026-03-12 14:36:46 +09:00
Yukihiro "Matz" Matsumoto 143959b94b doc: fix prettier formatting in markdown files 
Co-authored-by: Claude <noreply@anthropic.com>
 2026-03-12 14:33:37 +09:00
Yukihiro "Matz" Matsumoto d8de35b635 codegen.c: raise NoMatchingPatternError in case/in without else 
case/in without else clause now raises NoMatchingPatternError
when no pattern matches, matching CRuby behavior. Fixes #6741.

Co-authored-by: Claude <noreply@anthropic.com>
 2026-03-12 14:28:17 +09:00
Yukihiro "Matz" Matsumoto b34b7206f9 Merge pull request #6738 from jbampton/add-manual-hooks-workflow 2026-03-12 14:20:02 +09:00
Yukihiro "Matz" Matsumoto 03d1f7d6ec Merge pull request #6743 from mruby/fix/words-chunking 2026-03-12 14:17:38 +09:00