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The capture groups were discarded at 162 of the preg_match call sites,
which only tested the Option. They now call preg_is_match, which lets the
regex engine skip capture tracking.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Every call site but one passed offset 0. The remaining one, the UTF-8
chunking loop in Application, slices the subject instead: its pattern has
no anchor or lookaround, so matching a suffix is equivalent to starting
the search at that offset.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Preg had shed everything it owned: after the last few rounds its methods
were one-line forwards to the shim's preg_*(), differing only in a
default argument or a wrapper the caller unwrapped anyway. The 460 call
sites now name the shim function, and shirabe-pcre is gone from the
workspace along with its LICENSE entry.
The forwards expand as they read: isMatch becomes
preg_match2(.., 0).is_some() (is_none() where PHP negates it), isMatch3
and match3 drop the .is_some(), matchAll counts through
preg_match_all2(..).occurrence_count(), and replace4/replace5 spell out
the limit and count arguments preg_replace2 takes. Callbacks are the one
place the shapes differ: preg_replace_callback carries an error out of
the callback, so the fourteen infallible closures wrap their result in
Ok() and expect() it back.
Config::process() is the fifteenth, and it drops the `error` cell it
captured to smuggle a failure past a closure that could only return a
String. The `?` in the closure now carries it, which is what the PHP
does -- a throw from the callback leaves preg_replace_callback at the
failing match rather than running the remaining replacements and
reporting the last error.
The module doc that explained why composer/pcre's exceptions and
*StrictGroups() variants have no counterpart moves to the shim's preg
module, where the functions it describes live.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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The shim reported a fixed PHP 8.1.0 through PHP_VERSION, PHP_VERSION_ID,
the major/minor/release triple and the PHP_WINDOWS_VERSION_* trio. Their
uses split in two.
Some guarded branches PHP only needs on runtimes this port cannot be:
proc_get_status reports the exit status on every call, so Symfony's
pre-8.3 exit-code cache has nothing to work around; hash_raw and
hash_file always offer xxh3, so the sha1 fallback is unreachable; and
http_get_last_response_headers is always available, so the pre-8.4
$http_response_header branch is gone. safeJunctions reads the host
Windows version rather than PHP state, and joins the Windows work on
hold.
The rest ask about the PHP the user actually runs, and now reach the
worker through a new php-rpc PhpVersion payload: the startup banner and
the 7.2.5 warning, self-update's min-php filter, the ext-*
recommendation in VersionSelector, the stream User-Agent, and whether
PhpFileParser scans for enums.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Move `Composer\Pcre` out of shirabe-external-packages and into its own
crate, so the path is `shirabe_pcre::preg::Preg` instead of
`shirabe_external_packages::composer::pcre::preg::Preg`.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Ported exceptions were flat structs reached with `downcast_ref`, so
Composer's `catch (\RuntimeException $e)` only matched the exact leaf
type and `get_class($e)` had nothing to report. Each exception now
embeds an instance of the class it extends and travels inside an
`AnyThrowable`; `Catch::catch`/`catch_mut` walk that chain, and
`PhpClass::php_class_name` yields the PHP FQCN.
Dropping the `std::error::Error` impls from the exception types leaves
`AnyThrowable` as the only route into an `anyhow::Error`, so the walk
cannot be bypassed. A `no_exception_downcast` linter catches the
`downcast::<X>()` calls that would now silently answer `None`.
Three sites change behavior as a result: the `TransportException`
exit-code override reaches `MaxFileSizeExceededException`, the
`catch (\LogicException)` in findSimilar() reaches its subclasses, and
rendered exception titles carry the real class name rather than a
guess. `get_class_err()` is no longer a `todo!()`, which re-enables
FilesystemRepositoryTest::testCorruptedRepositoryFile.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
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regex::Regex::clone() does not share the underlying meta engine's
search-cache pool, so every fresh clone pays a ~10us warmup cost on
its first use. Two changes together eliminate this across nearly all
preg_* call sites:
- A php_regex! macro resolves PHP-style patterns to a per-call-site
&'static regex::Regex (via regex-macro's LazyLock), applied at the
majority of call sites throughout the codebase.
- Call sites still passing dynamic pattern strings go through
PATTERN_CACHE, which now stores Arc<(Regex, bool)> and hands out
Arc::clone()s instead of cloning the Regex itself.
PregPattern::resolve() returns a ResolvedPattern enum (Arc or
'static reference) rather than an owned Regex, so neither path ever
clones the Regex proper.
Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
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Several Preg::*() call sites lost their PHP delimiter (and in one case
the `i` modifier) during porting, since preg_*() expects the delimiter
to be preserved in the caller's pattern literal and stripped internally.
This made compile_php_pattern panic or silently misparse the pattern.
Un-ignore the Version tests that were blocked by this bug.
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The List and Array variants of PhpMixed boxed their elements
unnecessarily. Store PhpMixed values directly and update all callers
accordingly.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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The Preg methods panic on PCRE failure (per the file header rationale),
so their anyhow::Result wrappers never carried an Err.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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Composer does not use its own deprecated APIs internally, so drop their
Rust ports: whole deprecated classes, methods, constants, and field.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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