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2021-07-15test/syntax.rb: add tests for `break` and `redo`.Yukihiro "Matz" Matsumoto
2021-07-15Merge pull request #4141 from udzura/add-test-for-attr-nil-guardYukihiro "Matz" Matsumoto
Add a testcase of #4137 fix
2021-07-05Make `LocalJumpError` a direct subclass of `StandardError`.Yukihiro "Matz" Matsumoto
To be compatible with CRuby.
2021-06-24class.c: call hook methods on method definitions; close #2339Yukihiro "Matz" Matsumoto
- `Module#method_added` - `BasicObject#singleton_method_added`
2021-06-16Run pre-commit with GitHub ActionsJohn Bampton
Running pre-commit with GitHub Actions now gives us more tests and coverage Remove duplicate GitHub Actions for merge conflicts and trailing whitespace Remove duplicate checks for markdownlint and yamllint from the GitHub Super-Linter Add new custom pre-commit hook running with a shell script to sort alphabetically and uniquify codespell.txt Add new pre-commit hook to check spelling with codespell https://github.com/codespell-project/codespell Fix spelling
2021-06-04add block argument test #2144mirichi
2021-06-03add a few regressions test from #2313Yukihiro "Matz" Matsumoto
The code was contributed from Carson McDonald (@carsonmcdonald)
2021-05-21test/syntax.rb: fix endless def warning (no assertion).Yukihiro "Matz" Matsumoto
2021-05-18parse.y: allow "command" syntax in endless method definition.Yukihiro "Matz" Matsumoto
This change allows `def hello = puts "Hello"` without parentheses. This syntax has been introduced since Ruby3.1.
2021-05-03symbol.c: remove `Symbol#id2sym`.Yukihiro "Matz" Matsumoto
In the ancient Ruby, symbols are represented by integers. In that era, to get string representation from integers, we used `Integer#id2sym` method. Later, `Symbol` was introduced, and `id2sym` was used for compatibility. Today, no one uses `id2sym` any longer. It is described in ISO 30170:2012 standard but I consider it as a mistake.
2021-04-27array.c: update `Array#shift` to take optional argument; close #5428Yukihiro "Matz" Matsumoto
2021-04-24Skip tests that use `Float` inside; ref #5421Yukihiro "Matz" Matsumoto
2021-04-16feat(CI): add the GitHub Super LinterJohn Bampton
The GitHub Super Linter is a more robust and better supported tool than the current GitHub Actions we are using. Running these checks: ERROR_ON_MISSING_EXEC_BIT: true VALIDATE_BASH: true VALIDATE_BASH_EXEC: true VALIDATE_EDITORCONFIG: true VALIDATE_MARKDOWN: true VALIDATE_SHELL_SHFMT: true VALIDATE_YAML: true https://github.com/marketplace/actions/super-linter https://github.com/github/super-linter Added the GitHub Super Linter badge to the README. Also updated the pre-commit framework and added more documentation on pre-commit. Added one more pre-commit check: check-executables-have-shebangs Added one extra check for merge conflicts to our GitHub Actions. EditorConfig and Markdown linting. Minor grammar and spelling fixes. Update linter.yml
2021-04-01vm.c: change the default error message for undefined `super` method.Yukihiro "Matz" Matsumoto
- (old) `undefined method 'foo'` - (new) `no superclass method 'foo'`
2021-03-31codegen.c: `yield` outside of method is now `SyntaxError`.Yukihiro "Matz" Matsumoto
2021-03-30Disable tests on backtraces w/ unknown line numbersfundamental
2021-03-18`Float::NAN/0` should be `Float::NAN`; ref a0b3378b3KOBAYASHI Shuji
#### Before this patch: ```console $ bin/mruby -e 'p(Float::NAN/0)' Infinity ``` #### After this patch (same as Ruby): ```console $ bin/mruby -e 'p(Float::NAN/0)' NaN ```
2021-03-17hash.c: `Hash#shift` to return `nil` when a hash is empty.Yukihiro "Matz" Matsumoto
It used to be return the default value if available, but it should ignore the default value for behavior consistency. CRuby will adopt this behavior too in the future. [ruby-bugs:16908]
2021-03-17range.c: fixed a begin-less ranges issue.Yukihiro "Matz" Matsumoto
2021-03-01feat: add pre-commit frameworkJohn Bampton
2021-02-14Refine checking for trailing whitespace [skip travis][skip appveyor]KOBAYASHI Shuji
* Include tabs in checking. * Use `git grep` to avoid including `.git` directory. * Avoid running `grep` multiple times.
2021-02-13feat(CI): check for trailing whitespaceJohn Bampton
Run on pull request only. Use a shell script to check for trailing whitespace in all files. Fail if trailing whitespace is found.
2021-02-10Fix heap-buffer-overflow for small `Hash` (HT) in `Hash#rehash`KOBAYASHI Shuji
### Example ##### example.rb ```ruby h = {} (1..17).each{h[_1] = _1} (1..16).each{h.delete(_1)} h.rehash ``` ##### ASAN report ```console $ bin/mruby example.rb ==52587==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000006998 at pc 0x55a29cddf96b bp 0x7fff7b1b1720 sp 0x7fff7b1b1710 READ of size 4 at 0x602000006998 thread T0 #0 0x55a29cddf96a in ib_it_next /mruby/src/hash.c:639 #1 0x55a29cde2ca2 in ht_rehash /mruby/src/hash.c:900 #2 0x55a29cde379f in h_rehash /mruby/src/hash.c:996 #3 0x55a29cde7f3d in mrb_hash_rehash /mruby/src/hash.c:1735 #4 0x55a29ce77b62 in mrb_vm_exec /mruby/src/vm.c:1451 #5 0x55a29ce5fa88 in mrb_vm_run /mruby/src/vm.c:981 #6 0x55a29ceb87e1 in mrb_top_run /mruby/src/vm.c:2874 #7 0x55a29cf36bdf in mrb_load_exec mrbgems/mruby-compiler/core/parse.y:6805 #8 0x55a29cf36f25 in mrb_load_detect_file_cxt mrbgems/mruby-compiler/core/parse.y:6848 #9 0x55a29cdba0a2 in main /mruby/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c:347 #10 0x7f24ef43b0b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2) #11 0x55a29cdb4a6d in _start (/mruby/bin/mruby+0x2a3a6d) 0x602000006998 is located 0 bytes to the right of 8-byte region [0x602000006990,0x602000006998) allocated by thread T0 here: #0 0x7f24f01cfffe in __interceptor_realloc (/lib/x86_64-linux-gnu/libasan.so.5+0x10dffe) #1 0x55a29ceb9440 in mrb_default_allocf /mruby/src/state.c:68 #2 0x55a29cdba747 in mrb_realloc_simple /mruby/src/gc.c:228 #3 0x55a29cdba928 in mrb_realloc /mruby/src/gc.c:242 #4 0x55a29cde12e5 in ht_init /mruby/src/hash.c:749 #5 0x55a29cde2b8e in ht_rehash /mruby/src/hash.c:897 #6 0x55a29cde379f in h_rehash /mruby/src/hash.c:996 #7 0x55a29cde7f3d in mrb_hash_rehash /mruby/src/hash.c:1735 #8 0x55a29ce77b62 in mrb_vm_exec /mruby/src/vm.c:1451 #9 0x55a29ce5fa88 in mrb_vm_run /mruby/src/vm.c:981 #10 0x55a29ceb87e1 in mrb_top_run /mruby/src/vm.c:2874 #11 0x55a29cf36bdf in mrb_load_exec mrbgems/mruby-compiler/core/parse.y:6805 #12 0x55a29cf36f25 in mrb_load_detect_file_cxt mrbgems/mruby-compiler/core/parse.y:6848 #13 0x55a29cdba0a2 in main /mruby/mrbgems/mruby-bin-mruby/tools/mruby/mruby.c:347 #14 0x7f24ef43b0b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2) ```
2021-01-17Add tests for `Integer#quo` and `Float#quo`; #5268Yukihiro "Matz" Matsumoto
2021-01-06Merge branch 'improve-source-scanning-for-presym' of ↵Yukihiro "Matz" Matsumoto
https://github.com/shuujii/mruby into shuujii-improve-source-scanning-for-presym
2021-01-03Fix for escaped newlines in squiggly heredocsSeeker
2021-01-02Merge pull request #5251 from SeekingMeaning/squiggly-fix-3Yukihiro "Matz" Matsumoto
Fix regression for squiggly heredocs
2021-01-02Refine "wrong number of arguments" message in `mrb_get_args`KOBAYASHI Shuji
#### Before this patch: ```ruby __send__ #=> wrong number of arguments {}.default(1,2) #=> wrong number of arguments ``` #### After this patch: ```ruby __send__ #=> wrong number of arguments (given 0, expected 1+) {}.default(1,2) #=> wrong number of arguments (given 2, expected 0..1) ```
2020-12-31Fix regression for squiggly heredocsSeeker
2020-12-28Fix mixed indentation and escaped tabs in squiggly heredocsSeeker
2020-12-27Fix for empty lines in squiggly heredocsSeeker
2020-12-26Add support for squiggly heredocsSeeker
2020-12-15refactor: remove trailing whitespace from C, Header, Ruby and YAML filesJohn Bampton
Lint
2020-12-13Fix spellingJohn Bampton
2020-12-13Improve source scanning for presymKOBAYASHI Shuji
The accuracy is greatly improved by using the C preprocessor to scan C sources for presym. C preprocessor can perfectly interpret all comments and preprocessor directives, so it can detect all symbols defined, for example `mrbgems/mruby-socket/src/const.cstub`. Also, as described later, this change will greatly improve the accuracy of presym detection from Ruby sources. ## Result The number of lines in the `presym` file for all gems is as follows: ```console Previous: 999 (false positive = 89, undetected = 297) New: 1207 ``` ## Build process The new build process (with presym) is as follows: 1. Build `mrbc` without presym (more on building without presym later). 2. Compile Ruby sources to C struct format with the `mrbc` created in step 1, and create` mrblib.c` and `gem_init.c`. Note that the symbols in the created files are output as `MRB_SYM` family macros or `mrb_intern_lit` instead of IDs (details will be described later). 3. C preprocessor processes C sources including the created files of step 2 and outputs them as `.i` files. In these files, for example, `MRB_IVSYM(foo)` is converted to `<@! "@" "foo" !@>` and `mrb_define_module(mrb, "Foo")` is converted to `<@! "Foo" !@>`. 4. Scan the files created in step 3 and create `presym` and` presym.inc` files. The files created in step 2 should output all static symbols defined in Ruby sources, including local variables, so we can detect all presyms by just scanning C sources without scanning Ruby sources directly. Further, by this process, the files to be scanned becomes the same as the files to be compiled, so that there is no excess or deficiency. ## Related changes The following changes have been made in relation to realizing this feature. ### Allow build without presym It enables build without presym to achieve the "Build process: 1". This incorporates #5202, see its issue for details. Note that when presym is enabled, even adding a local variable to a Ruby source may change contents of presym and require recompilation of almost all C sources. This is inconvenient, especially during trial and error in development, but this feature is also useful because it does not cause this problem if presym is disabled. ### Automatically create build target for `mrbc` without presym The `mrbc` used in the "Build process: 1" will be built by automatically creating a build target for it. The build name is `SOURCE_BUILD_NAME/mrbc`. ### Constantize output of C struct format by `mrbc` To realizing the "Build process: 2", as mentioned above, symbol IDs are not output directly in C struct format output by `mrbc`. As a result, the output becomes constant regardless of the state of presym at the time of `mrbc` build, and it is possible to detect symbols of Ruby sources in the same way as other C sources. Note that `mrb_intern_lit` is used for symbols that do not become presym, but in this state, the corresponding element in the symbol array cannot be statically initialized, so it is initialized at run time (therefore, in this case, the `const` qualifier is not added to the symbol array). ### Specify arbitrary `mrbc` file To realizing the "Build process: 2", enabled to specify `mrbc` created by another build target or pre-built` mrbc`. Use `MRuby::Build#mrbcfile =` to specify it explicitly. You can omit the "Build process: 1" by specifying pre-built `mrbc`, and you can always use an optimized build to compile Ruby sources faster. I think changes that affect the output of `mrbc` are rare, so in many cases it helps to improve efficiency. With presym, the build will be a little slower due to more build steps, but this feature will improve it a bit. ### Create presym files for each build target This feature was proposed at #5194 and merged once, but was reverted in 5c205e6e due to problems especially with cross-compilation. It has been introduced again because this change solves the problem. The presym files will be created below. * `build/NAME/presym` * `build/NAME/include/mruby/presym.inc` ### Other changes * Because presym detection accuracy is greatly improved as mentioned above, `MRuby::Gem::Specification#cdump?` is set to true by default, and `disable_cdump` is added instead of `enable_cdump`. Also, support for gem specific presym files has been discontinued (https://github.com/mruby/mruby/issues/5151#issuecomment-730967232). * Previously, `mrbc` was automatically created for the `host` build, but it will not be created if the build target for `mrbc` mentioned above is automatically created. At this time, `mrbc` file of the `mrbc` build is copied to` bin/`. * Two types of `.d` files will be created, `.o.d` and `.i.d`. oThis is because if `.i` depends on `presym.inc`, the dependency will circulate, so the `.d` file cannot be shared. * Changed file created with `enable_cxx_exception` to `X-cxx.cxx` from `X.cxx` to use the mruby standard Rake rule. ### Note Almost all C sources will need to be recompiled if there are any changes to `persym.inc` (if not recompiled properly, it will often result in run-time error). If `gcc` toolchain is used, dependencies are resolved by the `.d` file, so it become automatically recompile target, but if not (e.g. MSVC), it is necessary to manually make it recompile target. Also, even if `gcc` toolchain is used, it may not become recompile target if external gems does not use the mruby standard Rake rule. In particular, if the standard rule is overwritten, such as https://github.com/mruby/mruby/pull/5112/files, `.d` file will not be read, so be careful.
2020-12-09Argument forwarding with `...` now supports leading arguments.Yukihiro "Matz" Matsumoto
```ruby def method_missing(meth, ...) send(:"do_#{meth}", ...) end ```
2020-11-21Update `Float#to_s` to keep trailing zero as CRuby does; ref 68cebb6Yukihiro "Matz" Matsumoto
2020-11-19Allow `bintest` even if build name is not `host`KOBAYASHI Shuji
2020-11-14Integer operation should result in Integer.Yukihiro "Matz" Matsumoto
Should raise `RangeError` if the operation overflows.
2020-11-10Reduce memory usage of Hash objectKOBAYASHI Shuji
## Implementation Summary * Change entry list from segmented list to flat array. * Change value of hash bucket from pointer to entry to index of entry list, and represent it by variable length bits according to capacity of hash buckets. * Store management information about entry list and hash table to `struct RHash` as much as possible. ## Benchmark Summary Only the results of typical situations on 64-bit Word-boxing are present here. For more detailed information, including consideration, see below (although most of the body is written in Japanese). * https://shuujii.github.io/mruby-hash-benchmark ### Memory Usage Lower value is better. | Hash Size | Baseline | New | Factor | |----------:|--------------:|--------------:|-----------:| | 16 | 344B | 256B | 0.74419x | | 40 | 1,464B | 840B | 0.57377x | | 200 | 8,056B | 3,784B | 0.46971x | | 500 | 17,169B | 9,944B | 0.57949x | ### Performance Higher value is better. #### `mrb_hash_set` | Hash Size | Baseline | New | Factor | |----------:|--------------:|--------------:|-----------:| | 16 | 1.41847M i/s | 1.36004M i/s | 0.95881x | | 40 | 0.39224M i/s | 0.31888M i/s | 0.81296x | | 200 | 0.03780M i/s | 0.04290M i/s | 1.13494x | | 500 | 0.01225M i/s | 0.01314M i/s | 1.07275x | #### `mrb_hash_get` | Hash Size | Baseline | New | Factor | |----------:|--------------:|--------------:|-----------:| | 16 | 26.05920M i/s | 30.19543M i/s | 1.15872x | | 40 | 44.26420M i/s | 32.75781M i/s | 0.74005x | | 200 | 44.55171M i/s | 31.56926M i/s | 0.70860x | | 500 | 39.19250M i/s | 29.73806M i/s | 0.75877x | #### `mrb_hash_each` | Hash Size | Baseline | New | Factor | |----------:|--------------:|--------------:|-----------:| | 16 | 25.11964M i/s | 30.34167M i/s | 1.20789x | | 40 | 11.74253M i/s | 13.25539M i/s | 1.12884x | | 200 | 2.01133M i/s | 2.97214M i/s | 1.47770x | | 500 | 0.87411M i/s | 1.21178M i/s | 1.38631x | #### `Hash#[]=` | Hash Size | Baseline | New | Factor | |----------:|--------------:|--------------:|-----------:| | 16 | 0.50095M i/s | 0.56490M i/s | 1.12764x | | 40 | 0.19132M i/s | 0.18392M i/s | 0.96129x | | 200 | 0.03624M i/s | 0.03256M i/s | 0.89860x | | 500 | 0.01527M i/s | 0.01236M i/s | 0.80935x | #### `Hash#[]` | Hash Size | Baseline | New | Factor | |----------:|--------------:|--------------:|-----------:| | 16 | 11.53211M i/s | 12.78806M i/s | 1.10891x | | 40 | 15.26920M i/s | 13.37529M i/s | 0.87596x | | 200 | 15.28550M i/s | 13.36410M i/s | 0.87430x | | 500 | 14.57695M i/s | 12.75388M i/s | 0.87494x | #### `Hash#each` | Hash Size | Baseline | New | Factor | |----------:|--------------:|--------------:|-----------:| | 16 | 0.30462M i/s | 0.27080M i/s | 0.88898x | | 40 | 0.12912M i/s | 0.11704M i/s | 0.90642x | | 200 | 0.02638M i/s | 0.02402M i/s | 0.91071x | | 500 | 0.01066M i/s | 0.00959M i/s | 0.89953x | #### `Hash#delete` | Hash Size | Baseline | New | Factor | |----------:|--------------:|--------------:|-----------:| | 16 | 7.84167M i/s | 6.96419M i/s | 0.88810x | | 40 | 6.91292M i/s | 7.41427M i/s | 1.07252x | | 200 | 3.75952M i/s | 7.32080M i/s | 1.94727x | | 500 | 2.10754M i/s | 7.05963M i/s | 3.34970x | #### `Hash#shift` | Hash Size | Baseline | New | Factor | |----------:|--------------:|--------------:|-----------:| | 16 | 14.66444M i/s | 13.18876M i/s | 0.89937x | | 40 | 11.95124M i/s | 11.10420M i/s | 0.92913x | | 200 | 5.53681M i/s | 7.88155M i/s | 1.42348x | | 500 | 2.96728M i/s | 5.40405M i/s | 1.82121x | #### `Hash#dup` | Hash Size | Baseline | New | Factor | |----------:|--------------:|--------------:|-----------:| | 16 | 0.15063M i/s | 5.37889M i/s | 35.71024x | | 40 | 0.06515M i/s | 3.38196M i/s | 51.91279x | | 200 | 0.01359M i/s | 1.46538M i/s | 107.84056x | | 500 | 0.00559M i/s | 0.75411M i/s | 134.88057x | ### Binary Size Lower value is better. | File | Baseline | New | Factor | |:-----------|--------------:|--------------:|----------:| | mruby | 730,408B | 734,176B | 1.00519x | | libmruby.a | 1,068,134B | 1,072,846B | 1.00441x | ## Other Fixes The following issues have also been fixed in the parts where there was some change this time. * [Heap use-after-free in `Hash#value?`](https://gist.github.com/shuujii/30e4fcd5844a4112a0ecd4a5b3483101#file-heap-use-after-free-in-hash-value-md) * [Heap use-after-free in `ht_hash_equal`](https://gist.github.com/shuujii/30e4fcd5844a4112a0ecd4a5b3483101#file-heap-use-after-free-in-ht_hash_equal-md) * [Heap use-after-free in `ht_hash_func`](https://gist.github.com/shuujii/30e4fcd5844a4112a0ecd4a5b3483101#file-heap-use-after-free-in-ht_hash_func-md) * [Heap use-after-free in `mrb_hash_merge`](https://gist.github.com/shuujii/30e4fcd5844a4112a0ecd4a5b3483101#file-heap-use-after-free-in-mrb_hash_merge-md) * [Self-replacement does not work for `Hash#replace`](https://gist.github.com/shuujii/30e4fcd5844a4112a0ecd4a5b3483101#file-self-replacement-does-not-work-for-hash-replace-md) * [Repeated deletes and inserts increase memory usage of `Hash`](https://gist.github.com/shuujii/30e4fcd5844a4112a0ecd4a5b3483101#file-repeated-deletes-and-inserts-increase-memory-usage-of-hash-md) * [`Hash#rehash` does not reindex completely](https://gist.github.com/shuujii/30e4fcd5844a4112a0ecd4a5b3483101#file-hash-rehash-does-not-reindex-completely-md) * `mrb_hash_delete_key` does not cause an error for frozen object * `mrb_hash_new_capa` does not allocate required space first * [`mrb_os_memsize_of_hash_table` result is incorrect](https://github.com/mruby/mruby/pull/5032#discussion_r457994075)
2020-11-02Replace `R-assignment` by `single-line pattern matching`.Yukihiro "Matz" Matsumoto
Since `R-assignment` in CRuby is abandoned. Single-line pattern matching in `mruby` only matches single local variable at the moment. Currently it works as a right assignment to a local variable. It will be enhanced in the future.
2020-10-29Add beginless/endless ranges tests.Yukihiro "Matz" Matsumoto
2020-10-15Merge branch 'work_for_merge' of https://github.com/zubycz/mruby into ↵Yukihiro "Matz" Matsumoto
zubycz-work_for_merge
2020-10-14Avoid using C struct dump for test Ruby code.Yukihiro "Matz" Matsumoto
Files under `test/t` and `mrbgem/*/test` are for tests, not for actual execution. So symbols in those files need not to be pre-allocated. This change slightly reduce the memory consumption.
2020-10-13Introduce endless range (a part of #5085)taiyoslime
Co-Authored-By: n4o847 <[email protected]> Co-Authored-By: smallkirby <[email protected]>
2020-10-12Reorganize `Integer` system.Yukihiro "Matz" Matsumoto
- Integrate `Fixnum` and `Integer` - Remove `Integral` - `int / int -> int` - Replace `mrb_fixnum()` to `mrb_int()` - Replace `mrb_fixnum_value()` to `mrb_int_value()`. - Use `mrb_integer_p()` instead of `mrb_fixnum_p()`
2020-10-12Fixed ISO section numbers in `test/t/superclass.rb`.Yukihiro "Matz" Matsumoto
2020-10-12Make division by zero cause `ZeroDivisionError`.Yukihiro "Matz" Matsumoto
As described in ISO 15.2.30.
2020-10-12Always add trailing `.0` in `Float#inspect`; ref #4225KOBAYASHI Shuji
Trailing `.0` is removed from `Float#to_s` and `Float#inspect` at 9d08025b. However, I think the more human-readable format is better for `Float#inspect`. For example, in the `Float#to_s` format, the failure message is not well understood when testing values including types by `eql?` (e.g. `Numeric#step` test). ```ruby assert "example" do exp = 1.0 act = 1 assert_operator(exp, :eql?, act) #=> Expected 1 to be eql? 1. end ```
2020-10-12Integrate `Fixnum` class into `Integer` classdearblue
* The `Fixnum` constant is now an alias for the `Integer` class. * Remove `struct mrb_state::fixnum_class` member. If necessary, use `struct mrb_state::integer_class` instead.
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