Virtual files are not stored on disk and can thus also not be read
from there again. Their content needs to stay in memory and be modified
right there.
The current algorithm is like "collect all included files and subtract all excluded files".
Collecting all included and all excluded files relies on the file system. This can become slow
when the patterns used to exclude files resolve to a large number of files.
The new approach only collects all lintable files and checks them against the exclude patterns.
This can be done by in-memory string-regex-match and does therefore not require file system accesses.
The new implementation also no longer traverses directories that already match an exclude pattern.
(cherry picked from commit 152355e36f)
`URL.path` is not a usable rendering of the path. `URL.path` represents
the URI path. If the path is meant to be consumable as a file path, the
file system representation (aka FSR) must be retrieved.
This improves the file path handling and makes additional tests now
pass.
Co-authored-by: Danny Mösch <danny.moesch@icloud.com>
If SwiftLint is built from this state using the Swift SDK, we'll get a
large self-contained Linux executable that runs without loading SourceKit.
It can do that by disabling any rule that requires SourceKit.
With `SWIFTLINT_DISABLE_SOURCEKIT` set on a normally (dynamically linked)
binary, the behavior is the same. That's different from the previously
reported more serious warnings.
* Add `RegexConfiguration.ExecutionMode`
To help migrate custom rules to SwiftSyntax. Not wired up yet, just the
configuration parsing and defaults. Will wire it up in the next PR.
The diff looks big, but it's 500+ lines of tests, with ~45 lines of
actually new code.
* Docs
* Address PR feedback
- Add `default` case to ExecutionMode enum instead of using optional
- Change configuration key from `mode` to `execution_mode` for consistency
- Move default execution mode logic to runtime instead of configuration time
- Refactor test functions to use throws instead of do-catch
The protocol will be used to tag rules that may or may not require
SourceKit depending on its configuration. I only expect this to be used
for custom rules as utility to help transition to a fully SwiftSyntax
based approach.