“swiftlint quit unexpectedly.” as Build Tool Plugin w/ custom rules
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enhancement
- Dominant language
- Swift
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- 11
Description
New Issue Checklist
- Updated SwiftLint to the latest version
- I searched for existing GitHub issues
Describe the bug
SwiftLint crashes (EXC_CRASH (SIGABRT)) when used as a Build Tool Plugin, with certain custom rules (see Environment).
macOS Problem Report dialog:
-------------------------------------
Translated Report (Full Report Below)
-------------------------------------
Process: swiftlint [21508]
Path: /Users/USER/Library/Developer/Xcode/DerivedData/MapsGL_Prototype-cvtvxgsihvkahdfubyhlchwstanh/SourcePackages/artifacts/swiftlint/SwiftLintBinary/SwiftLintBinary.artifactbundle/swiftlint-0.53.0-macos/bin/swiftlint
Identifier: swiftlint
Version: ???
Code Type: ARM-64 (Native)
Parent Process: Xcode [2757]
Responsible: Xcode [2757]
User ID: 501
Date/Time: 2023-10-17 13:30:23.5834 -0500
OS Version: macOS 13.6 (22G120)
Report Version: 12
Anonymous UUID: 48F91BEB-D548-5481-807A-49062AD093F7
Sleep/Wake UUID: 70F5F817-9D02-460F-BEDC-3844C0547FF0
Time Awake Since Boot: 80000 seconds
Time Since Wake: 271 seconds
System Integrity Protection: enabled
Crashed Thread: 1
Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0x0000000000000000, 0x0000000000000000
Termination Reason: Namespace SIGNAL, Code 6 Abort trap: 6
Terminating Process: swiftlint [21508]
Application Specific Information:
abort() called
Thread 0:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x18b8fff34 mach_msg2_trap + 8
1 libsystem_kernel.dylib 0x18b912260 mach_msg2_internal + 80
2 libsystem_kernel.dylib 0x18b908b98 mach_msg_overwrite + 604
3 libsystem_kernel.dylib 0x18b9002b0 mach_msg + 24
4 CoreFoundation 0x18ba1e774 __CFRunLoopServiceMachPort + 160
5 CoreFoundation 0x18ba1d054 __CFRunLoopRun + 1208
6 CoreFoundation 0x18ba1c448 CFRunLoopRunSpecific + 612
7 CoreFoundation 0x18baa152c CFRunLoopRun + 64
8 libswift_Concurrency.dylib 0x21911685c swift_task_asyncMainDrainQueueImpl() + 40
9 libswift_Concurrency.dylib 0x219116834 swift_task_asyncMainDrainQueue + 100
10 swiftlint 0x10080f088 main + 84
11 dyld 0x18b5e7f28 start + 2236
Thread 1 Crashed:
0 libsystem_kernel.dylib 0x18b908744 __pthread_kill + 8
1 libsystem_pthread.dylib 0x18b93fc28 pthread_kill + 288
2 libsystem_c.dylib 0x18b84dae8 abort + 180
3 swiftlint 0x100b20968 0x100804000 + 3262824
4 swiftlint 0x100b1d690 0x100804000 + 3249808
5 swiftlint 0x1008431d8 0x100804000 + 258520
6 swiftlint 0x10083b760 0x100804000 + 227168
7 swiftlint 0x1008420f8 0x100804000 + 254200
8 swiftlint 0x10081a4ed 0x100804000 + 91373
9 swiftlint 0x10081a8fd 0x100804000 + 92413
10 swiftlint 0x10107050d 0x100804000 + 8832269
11 swiftlint 0x10080f105 0x100804000 + 45317
12 libswift_Concurrency.dylib 0x21911727d completeTaskAndRelease(swift::AsyncContext*, swift::SwiftError*) + 1
Thread 2:
0 libsystem_pthread.dylib 0x18b93ad8c start_wqthread + 0
Thread 3:
0 libsystem_pthread.dylib 0x18b93ad8c start_wqthread + 0
Thread 1 crashed with ARM Thread State (64-bit):
x0: 0x0000000000000000 x1: 0x0000000000000000 x2: 0x0000000000000000 x3: 0x0000000000000000
x4: 0x0000000000000016 x5: 0x0000000000000001 x6: 0x0000000000000000 x7: 0x0000000000000403
x8: 0x44f4eb77995de61d x9: 0x44f4eb76f635d61d x10: 0x0000000000000e20 x11: 0x00000000000007fb
x12: 0x00000000af0c8862 x13: 0x00000000000007fd x14: 0x00000000af2c9072 x15: 0x00000000af0c8862
x16: 0x0000000000000148 x17: 0x00000001eb4ef3f8 x18: 0x0000000000000000 x19: 0x0000000000000006
x20: 0x000000016f683000 x21: 0x0000000000000c0b x22: 0x000000016f6830e0 x23: 0x000060000220ce20
x24: 0x0000000000000000 x25: 0x0000000000000000 x26: 0x0000600001d0c0f0 x27: 0x0000000000000000
x28: 0x0000000000000000 fp: 0x000000016f6825a0 lr: 0x000000018b93fc28
sp: 0x000000016f682580 pc: 0x000000018b908744 cpsr: 0x40001000
far: 0x00000001e6f7bff8 esr: 0x56000080 Address size fault
Binary Images:
0x100804000 - 0x10126ffff swiftlint (*) <b2f1aad7-e586-3b5c-89b3-cdaab4729df4> /Users/USER/Library/Developer/Xcode/DerivedData/MapsGL_Prototype-cvtvxgsihvkahdfubyhlchwstanh/SourcePackages/artifacts/swiftlint/SwiftLintBinary/SwiftLintBinary.artifactbundle/swiftlint-0.53.0-macos/bin/swiftlint
0x18b8ff000 - 0x18b938fe7 libsystem_kernel.dylib (*) <1adb8ddc-762b-3b9f-a290-ca1e5ee7b419> /usr/lib/system/libsystem_kernel.dylib
0x18b99f000 - 0x18be78fff com.apple.CoreFoundation (6.9) <77747d94-2513-3133-a53b-e032d73058d7> /System/Library/Frameworks/CoreFoundation.framework/Versions/A/CoreFoundation
0x2190cf000 - 0x219129ffb libswift_Concurrency.dylib (*) <6b78ae7c-22cc-3dae-b8a6-bf669887afc8> /usr/lib/swift/libswift_Concurrency.dylib
0x18b5e2000 - 0x18b670587 dyld (*) <49204446-242b-3d1e-9704-32f8ac99723e> /usr/lib/dyld
0x18b939000 - 0x18b945fff libsystem_pthread.dylib (*) <1f30fb9a-bdf9-32db-a709-8417666a7e45> /usr/lib/system/libsystem_pthread.dylib
0x18b7d7000 - 0x18b855ff7 libsystem_c.dylib (*) <949943e2-52cb-3c95-ab08-7ed984333d03> /usr/lib/system/libsystem_c.dylib
External Modification Summary:
Calls made by other processes targeting this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by this process:
task_for_pid: 0
thread_create: 0
thread_set_state: 0
Calls made by all processes on this machine:
task_for_pid: 8
thread_create: 0
thread_set_state: 44
VM Region Summary:
ReadOnly portion of Libraries: Total=925.9M resident=0K(0%) swapped_out_or_unallocated=925.9M(100%)
Writable regions: Total=686.0M written=0K(0%) resident=0K(0%) swapped_out=0K(0%) unallocated=686.0M(100%)
VIRTUAL REGION
REGION TYPE SIZE COUNT (non-coalesced)
=========== ======= =======
Activity Tracing 256K 1
Kernel Alloc Once 32K 1
MALLOC 171.2M 17
MALLOC guard page 96K 5
MALLOC_MEDIUM (reserved) 120.0M 1 reserved VM address space (unallocated)
MALLOC_NANO (reserved) 384.0M 1 reserved VM address space (unallocated)
STACK GUARD 56.1M 4
Stack 9808K 4
__AUTH 315K 60
__AUTH_CONST 3741K 145
__DATA 4002K 141
__DATA_CONST 4523K 147
__DATA_DIRTY 361K 58
__LINKEDIT 804.3M 2
__OBJC_RO 66.4M 1
__OBJC_RW 2012K 1
__TEXT 121.6M 155
dyld private memory 272K 2
mapped file 29.2M 3
shared memory 64K 4
=========== ======= =======
TOTAL 1.7G 753
TOTAL, minus reserved VM space 1.2G 753
-----------
Full Report
-----------
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Running swiftlint lint on the CLI works displays the following warning:
warning: Cannot parse YAML file: 95:21: error: scanner: while parsing a quoted scalar in line 95, column 12
found unknown escape character:
regex: "(?-s)(\n\s*){3,}\n(\t| )"
^ – Falling back to default configuration
but then continues on with:
Linting Swift files in current working directory
Linting 'AerisCustomLayerHost.swift' (1/98)
Linting 'MapsGL_PrototypeApp.swift' (2/98)
…
Done linting! Found 2384 violations, 53 serious in 98 files.
and does not crash.
(This is issue is not about the bad config itself; I'm aware and I'll fix it; this issue about about the plugin EXC_CRASH-ing.)
Environment
- SwiftLint version: 0.53.0 package version (also 0.53.0 for the also-installed CLI standalone version)
- Installation method used: SPM via Xcode project's Package Dependencies, and also via Package.swift (but also installed on the CLI with brew)
- Paste your configuration file:
# By default, SwiftLint uses a set of sensible default rules you can adjust:
disabled_rules: # rule identifiers turned on by default to exclude from running
- colon
- comment_spacing
- empty_enum_arguments
- identifier_name
- opening_brace
- private_over_fileprivate
- redundant_optional_initialization
- statement_position
- trailing_whitespace
opt_in_rules: # some rules are turned off by default, so you need to opt-in
- indentation_width
- vertical_whitespace_closing_braces
- vertical_whitespace_opening_braces
- yoda_condition
#- empty_count # find all the available rules by running: `swiftlint rules`
# Alternatively, specify all rules explicitly by uncommenting this option:
# only_rules: # delete `disabled_rules` & `opt_in_rules` if using this
# - empty_parameters
# - vertical_whitespace
analyzer_rules: # rules run by `swiftlint analyze`
- explicit_self
included: # case-sensitive paths to include during linting. `--path` is ignored if present
#- Sources
excluded: # case-sensitive paths to ignore during linting. Takes precedence over `included`
- Carthage
- Pods
- Sources/ExcludedFolder
- Sources/ExcludedFile.swift
- Sources/*/ExcludedFile.swift # exclude files with a wildcard
# If true, SwiftLint will not fail if no lintable files are found.
allow_zero_lintable_files: false
# If true, SwiftLint will treat all warnings as errors.
strict: false
# configurable rules can be customized from this configuration file
# binary rules can set their severity level
cyclomatic_complexity:
ignores_case_statements: true
force_cast: warning
force_try: warning
identifier_name:
min_length:
warning: 2
error: 1
large_tuple:
warning: 3
error: 999
line_length:
warning: 200
error: 999
ignores_urls: true
ignores_comments: true
ignores_interpolated_strings: true
switch_case_alignment:
indented_cases: true
trailing_comma:
mandatory_comma: true
type_name:
min_lenth:
warning: 2
error: 1
allowed_symbols: ["_"]
vertical_whitespace:
max_empty_lines: 3
reporter: "xcode" # reporter type (xcode, json, csv, checkstyle, codeclimate, junit, html, emoji, sonarqube, markdown, github-actions-logging, summary)
custom_rules:
stub:
included:
- ".*\\.swift"
name: "Stub Violation"
regex: "STUB"
match_kinds:
- comment
message: "STUB code should be resolved"
severity: warning
# This custom rule seems to be causing the crashes— comment it out and there's no issues.
max_double_blank_lines_in_indented_code:
included:
- ".*\\.swift"
name: "Maximum of Double Blank Lines In Indented Code"
regex: "(?-s)(\n\s*){3,}\n(\t| )"
message: "Maximum of Double Blank Lines In Indented Code"
severity: warning
triple_blank_lines_before_sectional_mark:
included:
- ".*\\.swift"
name: "Triple Blank Lines Before Sectional Mark"
regex: "(?<!\n\n\n)\n// MARK: -"
match_kinds:
- comment
message: "`MARK -` comments should be preceded by 3 blank lines"
severity: warning
triple_blank_lines_after_imports:
included:
- ".*\\.swift"
name: "Triple Blank Lines After Imports"
regex: "(?-s)import .+\n(?!\n\n\n|\n?(@testable )?import|\n?\/\/.+\nimport)"
message: "The last import should be followed by 3 blank lines. (Up to 1 blank line and comments are allowed between imports.)"
severity: warning
- Are you using nested configurations? Nope
If so, paste their relative paths and respective contents. - Which Xcode version are you using (check
xcodebuild -version)? Xcode 15.0 Build version 15A240d - Do you have a sample that shows the issue? Crash dialog pops up as soon as you run Product > Build (⌘B) in Xcode. Shouldn't require any specific source code.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing SwiftLint 0.53.0 as an Xcode Build Tool Plugin on macOS 13.6 with the reported custom rules, then inspect the supplied crash report and SwiftLint plugin entry point. Done means the plugin handles these custom rules without terminating with EXC_CRASH (SIGABRT).
Written by the indexing model from the issue text.
Assessment
- Tech stack
- swift
- Domain
- build-system, tooling
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 35/100