mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Yukihiro "Matz" Matsumoto
80 lines
3.2 KiB
Markdown
80 lines
3.2 KiB
Markdown
# User visible changes in `mruby3.2` from `mruby3.1`
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# The language
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- Now `a::B = c` should evaluate `a` then `c`.
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- Anonymous arguments `*`, `**`, `&` can be passed for forwarding.
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- Multi-precision integer is available now via `mruby-bigint` gem.
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# mruby VM and bytecode
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- `OP_ARYDUP` was renamed to `OP_ARYSPLAT`. The instruction name
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was changed but instruction number and basic behavior have not
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changed (except that `ARYDUP nil` makes `[]`).
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# Tools
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## `mruby`
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- `-b` only specifies the script is the binary. The files loaded by `-r` are not affected by the option.
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- `mruby` now loads complied binary if the suffix is `.mrb`.
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## `mrbc`
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- Add `--no-optimize` option to disable optimization.
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# mrbgems
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## mruby-class-ext
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- Add `Class#subclasses` method.
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- Add `Module#undefined_instance_methods` method.
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## New bundled gems
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- mruby-errno from <https://github.com/iij/mruby-errno.git>
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- mruby-set from <https://github.com/yui-knk/mruby-set.git>
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- mruby-dir from <https://github.com/iij/mruby-dir.git>
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- mruby-data
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# Breaking Changes
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## `mrb_vm_run()` may detach top-level local variables referenced from blocks
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When the `mrb_vm_run()` function (including `mrb_top_run()`) is called,
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the previous top-level local variables referenced from blocks is detached under either of the following conditions.
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- If the `stack_keep` parameter is given as 0.
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- If the number of variables in `irep` to be executed is less than the number of previous top-level local variables.
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This change also affects API functions such as `mrb_load_string()` and `mrb_load_file()`.
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The conditions under which the previous top-level local variables referenced from blocks is detached in these functions are as follows:
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- If the function has no `mrbc_context` pointer parameter, or the `mrbc_context` pointer parameter is set to `NULL`.
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- If the number of variables held in the `mrbc_context` pointer is less than the number of previous top-level local variables.
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Intentional reliance on previous behavior may cause compatibility problems in your application.
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# CVEs
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Following CVEs are fixed.
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- [CVE-2022-0080](https://www.cve.org/CVERecord?id=CVE-2022-0080)
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- [CVE-2022-0240](https://www.cve.org/CVERecord?id=CVE-2022-0240)
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- [CVE-2022-0326](https://www.cve.org/CVERecord?id=CVE-2022-0326)
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- [CVE-2022-0481](https://www.cve.org/CVERecord?id=CVE-2022-0481)
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- [CVE-2022-0525](https://www.cve.org/CVERecord?id=CVE-2022-0525)
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- [CVE-2022-0570](https://www.cve.org/CVERecord?id=CVE-2022-0570)
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- [CVE-2022-0614](https://www.cve.org/CVERecord?id=CVE-2022-0614)
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- [CVE-2022-0623](https://www.cve.org/CVERecord?id=CVE-2022-0623)
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- [CVE-2022-0630](https://www.cve.org/CVERecord?id=CVE-2022-0630)
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- [CVE-2022-0631](https://www.cve.org/CVERecord?id=CVE-2022-0631)
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- [CVE-2022-0632](https://www.cve.org/CVERecord?id=CVE-2022-0632)
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- [CVE-2022-0717](https://www.cve.org/CVERecord?id=CVE-2022-0717)
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- [CVE-2022-0890](https://www.cve.org/CVERecord?id=CVE-2022-0890)
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- [CVE-2022-1106](https://www.cve.org/CVERecord?id=CVE-2022-1106)
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- [CVE-2022-1212](https://www.cve.org/CVERecord?id=CVE-2022-1212)
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- [CVE-2022-1276](https://www.cve.org/CVERecord?id=CVE-2022-1276)
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- [CVE-2022-1286](https://www.cve.org/CVERecord?id=CVE-2022-1286)
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- [CVE-2022-1934](https://www.cve.org/CVERecord?id=CVE-2022-1934)
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