[ruby-core:95381] [Ruby master Feature#16029] Expose fstring related APIs to C-extensions
From:
ko1@...
Date:
2019-10-17 05:55:21 UTC
List:
ruby-core #95381
Issue #16029 has been updated by ko1 (Koichi Sasada).
Hi.
(1) implementation
Current implementation can have issue (related to shared string) and this issue can cause something wrong behavior for C-extension.
Sorry, we need a time to confirm.
(2) naming
i think it should be `rb_str_...` prefix.
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Feature #16029: Expose fstring related APIs to C-extensions
https://bugs.ruby-lang.org/issues/16029#change-82092
* Author: byroot (Jean Boussier)
* Status: Open
* Priority: Normal
* Assignee:
* Target version:
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As discussed with @tenderlove here: https://github.com/ruby/ruby/pull/2287#issuecomment-513865160
We'd like to update various data format parsers (JSON, MessagePack, etc) to add the possibility to deduplicate strings while parsing.
But unfortunately the `rb_fstring_*` family of functions isn't available to C-extensions, so the only available fallback is `rb_funcall(str, rb_intern("-@"))` which most parsers will likely consider too slow. So the various `rb_fstring_*` functions would need to be public.
Proposed patch: https://github.com/ruby/ruby/pull/2299
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