Unused imports crashes on import statements with trailing comment #2990
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Description
New Issue Checklist
- Updated SwiftLint to the latest version
- I searched for existing GitHub issues
Describe the bug
The unused_import rule does not support import statements with a trailing comment.
Currently, this causes a crash.
Complete output when running SwiftLint, including the stack trace and command used
2019-12-16 18:08:48.968 swiftlint[61765:2014180] *** Terminating app due to uncaught exception 'NSRangeException', reason: '-[__NSCFString replaceCharactersInRange:withString:]: Range or index out of bounds'
| *** First throw call stack:
| (
| 0 CoreFoundation 0x00007fff52efccf9 __exceptionPreprocess + 256
| 1 libobjc.A.dylib 0x00007fff7daafa17 objc_exception_throw + 48
| 2 CoreFoundation 0x00007fff52efcb2b +[NSException raise:format:] + 201
| 3 CoreFoundation 0x00007fff52f3ab2a mutateError + 261
| 4 Foundation 0x00007fff550bdeba -[NSString stringByReplacingCharactersInRange:withString:] + 142
| 5 swiftlint 0x000000010ee9ed8c $s18SwiftLintFramework16UnusedImportRuleV7correct4file17compilerArgumentsSayAA10CorrectionVGAA0aB4FileC_SaySSGtF + 684
| 6 swiftlint 0x000000010ed45f03 $s18SwiftLintFramework15CollectedLinterV7correct5usingSayAA10CorrectionVGAA11RuleStorageC_tF + 1219
| 7 swiftlint 0x000000010f02f692 $s9swiftlint14AnalyzeCommandV11autocorrect33_D106717C80DA5908B379D5A43478964DLLys6ResultOyyt10Commandant0L5ErrorOyytGGAA06LintOrB7OptionsVFy05SwiftN9Framework15CollectedLinterVcfU_ + 34
| 8 swiftlint 0x000000010f0472a8 $s18SwiftLintFramework13ConfigurationV9swiftlintE5visit33_30E847BB8C9F32DCEAC767137A79F9B7LL7linters7visitor7storage18duplicateFileNamesSayAA0abS0CGSayAA15CollectedLinterVG_AD20LintableFilesVisitorVAA11RuleStorageCShySSGtFAlOcfU_yyXEfU0_TA + 40
| 9 swiftlint 0x000000010f0472d1 $ss5Error_pIgzo_ytsAA_pIegrzo_TRTA + 17
| 10 libswiftObjectiveC.dylib 0x00007fff7eff3f4f $s10ObjectiveC15autoreleasepool8invokingxxyKXE_tKlF + 47
| 11 swiftlint 0x000000010f0462a1 $s18SwiftLintFramework13ConfigurationV9swiftlintE5visit33_30E847BB8C9F32DCEAC767137A79F9B7LL7linters7visitor7storage18duplicateFileNamesSayAA0abS0CGSayAA15CollectedLinterVG_AD20LintableFilesVisitorVAA11RuleStorageCShySSGtFAlOcfU_ + 721
| 12 swiftlint 0x000000010f047269 $s18SwiftLintFramework15CollectedLinterVAA0aB4FileCIggo_AcEIegnr_TRTA + 57
| 13 swiftlint 0x000000010f0409e4 $sSa9swiftlintE11parallelMap9transformSayqd__Gqd__xXE_tlFADSryqd__SgGzXEfU_ySiXEfU_18SwiftLintFramework15CollectedLinterV_AG0eF4FileCTg5 + 740
| 14 libswiftDispatch.dylib 0x00007fff7edefaf1 $sSiIgy_SiIegy_TRTA + 17
| 15 libswiftDispatch.dylib 0x00007fff7edeab34 $sSiIegy_SiIyBy_TR + 20
| 16 libdispatch.dylib 0x00007fff7f290672 _dispatch_client_callout2 + 8
| 17 libdispatch.dylib 0x00007fff7f29ff95 _dispatch_apply_invoke + 157
| 18 libdispatch.dylib 0x00007fff7f29063d _dispatch_client_callout + 8
| 19 libdispatch.dylib 0x00007fff7f29e509 _dispatch_root_queue_drain + 657
| 20 libdispatch.dylib 0x00007fff7f29eb46 _dispatch_worker_thread2 + 90
| 21 libsystem_pthread.dylib 0x00007fff7f4ca6b3 _pthread_wqthread + 583
| 22 libsystem_pthread.dylib 0x00007fff7f4ca3fd start_wqthread + 13
| )
| libc++abi.dylib: terminating with uncaught exception of type NSException
Example
// This triggers a violation:
import Foo // Some comment about thisMetadata
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