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Application of regex ([^a-zA-Z]|^)(text)(?=([^a-zA-Z]|$)) crashes #782

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stefanspringer1 opened this issue Oct 25, 2024 · 0 comments
Open

Application of regex ([^a-zA-Z]|^)(text)(?=([^a-zA-Z]|$)) crashes #782

stefanspringer1 opened this issue Oct 25, 2024 · 0 comments
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bug Something isn't working

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@stefanspringer1
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Description

The code below that is supposed to replace matches of a regex crashes with Thread 1: EXC_BREAKPOINT (code=1, subcode=0x2676b2ff8) (also with e.g. just "(text)" as input).

Reproduction

print("text".replacing(/([^a-zA-Z]|^)(text)(?=([^a-zA-Z]|$))/) { match in
    "\(match.output.1) \(match.output.2) "
})

Stack dump

Thread 1 Queue : com.apple.main-thread (serial)
#0	0x00000002676b2ff8 in _StringProcessing.constructExistentialOutputComponent(from: Swift.String, component: Swift.Optional<(range: Swift.Range<Swift.String.Index>, value: Swift.Optional<Any>)>, optionalCount: Swift.Int) -> Any ()
swiftlang/swift#1	0x00000002676b3700 in generic specialization <_StringProcessing.AnyRegexOutput> of Swift.Sequence< where τ_0_0.Element == _StringProcessing.AnyRegexOutput.Element>.existentialOutput(from: Swift.String) -> Any ()
swiftlang/swift#2	0x00000002676de864 in _StringProcessing.Regex.Match.output.getter : τ_0_0 ()
swiftlang/swift#3	0x0000000103bbe7c8 in closure swiftlang/swift#1 in XMLDiffTests.testXXX() at /Users/stefan/Projekte/X-Swift/XMLDiffer/Tests/XMLDifferTests/XMLDifferTests.swift:18
swiftlang/swift#4	0x0000000267699954 in Swift.RangeReplaceableCollection< where τ_0_0.SubSequence == Swift.Substring>.replacing<τ_0_0, τ_0_1, τ_0_2 where τ_1_0 == τ_1_2.RegexOutput, τ_1_1: Swift.Collection, τ_1_2: _StringProcessing.RegexComponent, τ_1_1.Element == Swift.Character>(_: τ_1_2, subrange: Swift.Range<Swift.String.Index>, maxReplacements: Swift.Int, with: (_StringProcessing.Regex<τ_1_0>.Match) throws -> τ_1_1) throws -> τ_0_0 ()
swiftlang/swift#5	0x0000000267699d88 in Swift.RangeReplaceableCollection< where τ_0_0.SubSequence == Swift.Substring>.replacing<τ_0_0, τ_0_1, τ_0_2 where τ_1_0 == τ_1_2.RegexOutput, τ_1_1: Swift.Collection, τ_1_2: _StringProcessing.RegexComponent, τ_1_1.Element == Swift.Character>(_: τ_1_2, maxReplacements: Swift.Int, with: (_StringProcessing.Regex<τ_1_0>.Match) throws -> τ_1_1) throws -> τ_0_0 ()
swiftlang/swift#6	0x0000000103bbe678 in XMLDiffTests.testXXX() at /Users/stefan/Projekte/X-Swift/XMLDiffer/Tests/XMLDifferTests/XMLDifferTests.swift:17
swiftlang/swift#7	0x0000000103bbec3c in @objc XMLDiffTests.testXXX() ()
swiftlang/swift#8	0x000000019fdc5694 in __invoking___ ()
swiftlang/swift#9	0x000000019fdc5514 in -[NSInvocation invoke] ()
swiftlang/swift#10	0x0000000100d48fc0 in +[XCTFailableInvocation invokeErrorConventionInvocation:completion:] ()
swiftlang/swift#11	0x0000000100d48f58 in __90+[XCTFailableInvocation invokeInvocation:withTestMethodConvention:lastObservedErrorIssue:]_block_invoke ()
swiftlang/swift#12	0x0000000100d4892c in __81+[XCTFailableInvocation invokeWithAsynchronousWait:lastObservedErrorIssue:block:]_block_invoke ()
swiftlang/swift#13	0x0000000100d27348 in __49+[XCTSwiftErrorObservation observeErrorsInBlock:]_block_invoke ()
swiftlang/swift#14	0x00000001001ca61c in reabstraction thunk helper from @callee_unowned @convention(block) () -> () to @escaping @callee_guaranteed () -> () ()
swiftlang/swift#15	0x00000001001ca310 in closure swiftlang/swift#1 () -> () in static __C.XCTSwiftErrorObservation._observeErrors(in: () -> ()) -> () -> Swift.Optional<XCTest.XCTIssue> ()
swiftlang/swift#16	0x00000001001ca344 in partial apply forwarder for closure swiftlang/swift#1 () -> () in static __C.XCTSwiftErrorObservation._observeErrors(in: () -> ()) -> () -> Swift.Optional<XCTest.XCTIssue> ()
swiftlang/swift#17	0x0000000267551a4c in Swift.TaskLocal.withValue<τ_0_0>(_: τ_0_0, operation: () throws -> τ_1_0, file: Swift.String, line: Swift.UInt) throws -> τ_1_0 ()
swiftlang/swift#18	0x00000001001ca03c in static __C.XCTSwiftErrorObservation._observeErrors(in: () -> ()) -> () -> Swift.Optional<XCTest.XCTIssue> ()
swiftlang/swift#19	0x00000001001ca560 in @objc static __C.XCTSwiftErrorObservation._observeErrors(in: () -> ()) -> () -> Swift.Optional<XCTest.XCTIssue> ()
swiftlang/swift#20	0x0000000100d27228 in +[XCTSwiftErrorObservation observeErrorsInBlock:] ()
swiftlang/swift#21	0x0000000100d486bc in +[XCTFailableInvocation invokeWithAsynchronousWait:lastObservedErrorIssue:block:] ()
swiftlang/swift#22	0x0000000100d48d68 in +[XCTFailableInvocation invokeInvocation:withTestMethodConvention:lastObservedErrorIssue:] ()
swiftlang/swift#23	0x0000000100d492d8 in +[XCTFailableInvocation invokeInvocation:lastObservedErrorIssue:] ()
swiftlang/swift#24	0x0000000100cfb6cc in __24-[XCTestCase invokeTest]_block_invoke_2.106 ()
swiftlang/swift#25	0x0000000100d2bac0 in -[XCTMemoryChecker _assertInvalidObjectsDeallocatedAfterScope:] ()
swiftlang/swift#26	0x0000000100cfede4 in -[XCTestCase assertInvalidObjectsDeallocatedAfterScope:] ()
swiftlang/swift#27	0x0000000100cfb418 in __24-[XCTestCase invokeTest]_block_invoke.98 ()
swiftlang/swift#28	0x0000000100d0194c in -[XCTestCase(XCTIssueHandling) _caughtUnhandledDeveloperExceptionPermittingControlFlowInterruptions:caughtInterruptionException:whileExecutingBlock:] ()
swiftlang/swift#29	0x0000000100cfade4 in -[XCTestCase invokeTest] ()
swiftlang/swift#30	0x0000000100cfcd64 in __26-[XCTestCase performTest:]_block_invoke.157 ()
swiftlang/swift#31	0x0000000100d0194c in -[XCTestCase(XCTIssueHandling) _caughtUnhandledDeveloperExceptionPermittingControlFlowInterruptions:caughtInterruptionException:whileExecutingBlock:] ()
swiftlang/swift#32	0x0000000100cfc784 in __26-[XCTestCase performTest:]_block_invoke.142 ()
swiftlang/swift#33	0x0000000100cd9840 in +[XCTContext _runInChildOfContext:forTestCase:markAsReportingBase:block:] ()
swiftlang/swift#34	0x0000000100cd9728 in +[XCTContext runInContextForTestCase:markAsReportingBase:block:] ()
swiftlang/swift#35	0x0000000100cfc1dc in -[XCTestCase performTest:] ()
swiftlang/swift#36	0x0000000100cf7bc4 in -[XCTest runTest] ()
swiftlang/swift#37	0x0000000100d0854c in -[XCTestSuite runTestBasedOnRepetitionPolicy:testRun:] ()
swiftlang/swift#38	0x0000000100d083b8 in __27-[XCTestSuite performTest:]_block_invoke ()
swiftlang/swift#39	0x0000000100d07df0 in __59-[XCTestSuite _performProtectedSectionForTest:testSection:]_block_invoke ()
swiftlang/swift#40	0x0000000100cd9840 in +[XCTContext _runInChildOfContext:forTestCase:markAsReportingBase:block:] ()
swiftlang/swift#41	0x0000000100cd9728 in +[XCTContext runInContextForTestCase:markAsReportingBase:block:] ()
swiftlang/swift#42	0x0000000100d07d60 in -[XCTestSuite _performProtectedSectionForTest:testSection:] ()
swiftlang/swift#43	0x0000000100d08040 in -[XCTestSuite performTest:] ()
swiftlang/swift#44	0x0000000100cf7bc4 in -[XCTest runTest] ()
swiftlang/swift#45	0x0000000100d0854c in -[XCTestSuite runTestBasedOnRepetitionPolicy:testRun:] ()
swiftlang/swift#46	0x0000000100d083b8 in __27-[XCTestSuite performTest:]_block_invoke ()
swiftlang/swift#47	0x0000000100d07df0 in __59-[XCTestSuite _performProtectedSectionForTest:testSection:]_block_invoke ()
swiftlang/swift#48	0x0000000100cd9840 in +[XCTContext _runInChildOfContext:forTestCase:markAsReportingBase:block:] ()
swiftlang/swift#49	0x0000000100cd9728 in +[XCTContext runInContextForTestCase:markAsReportingBase:block:] ()
swiftlang/swift#50	0x0000000100d07d60 in -[XCTestSuite _performProtectedSectionForTest:testSection:] ()
swiftlang/swift#51	0x0000000100d08040 in -[XCTestSuite performTest:] ()
swiftlang/swift#52	0x0000000100cf7bc4 in -[XCTest runTest] ()
swiftlang/swift#53	0x0000000100d0854c in -[XCTestSuite runTestBasedOnRepetitionPolicy:testRun:] ()
swiftlang/swift#54	0x0000000100d083b8 in __27-[XCTestSuite performTest:]_block_invoke ()
swiftlang/swift#55	0x0000000100d07df0 in __59-[XCTestSuite _performProtectedSectionForTest:testSection:]_block_invoke ()
swiftlang/swift#56	0x0000000100cd9840 in +[XCTContext _runInChildOfContext:forTestCase:markAsReportingBase:block:] ()
swiftlang/swift#57	0x0000000100cd9728 in +[XCTContext runInContextForTestCase:markAsReportingBase:block:] ()
swiftlang/swift#58	0x0000000100d07d60 in -[XCTestSuite _performProtectedSectionForTest:testSection:] ()
swiftlang/swift#59	0x0000000100d08040 in -[XCTestSuite performTest:] ()
swiftlang/swift#60	0x0000000100cf7bc4 in -[XCTest runTest] ()
swiftlang/swift#61	0x0000000100d28690 in __89-[XCTTestRunSession executeTestsWithIdentifiers:skippingTestsWithIdentifiers:completion:]_block_invoke ()
swiftlang/swift#62	0x0000000100cd9840 in +[XCTContext _runInChildOfContext:forTestCase:markAsReportingBase:block:] ()
swiftlang/swift#63	0x0000000100cd9728 in +[XCTContext runInContextForTestCase:markAsReportingBase:block:] ()
swiftlang/swift#64	0x0000000100d28550 in -[XCTTestRunSession executeTestsWithIdentifiers:skippingTestsWithIdentifiers:completion:] ()
swiftlang/swift#65	0x0000000100d1a85c in __72-[XCTExecutionWorker enqueueTestIdentifiersToRun:testIdentifiersToSkip:]_block_invoke_2 ()
swiftlang/swift#66	0x0000000100d1bc50 in __XCTAsyncEnumerateWithWaiter_block_invoke ()
swiftlang/swift#67	0x0000000100d1be04 in __XCTAsyncEnumerate_block_invoke.116 ()
swiftlang/swift#68	0x0000000100d1a6c0 in XCTAsyncEnumerateWithWaiter ()
swiftlang/swift#69	0x0000000100d1a42c in __72-[XCTExecutionWorker enqueueTestIdentifiersToRun:testIdentifiersToSkip:]_block_invoke ()
swiftlang/swift#70	0x0000000100d1a9a0 in -[XCTExecutionWorker runWithError:] ()
swiftlang/swift#71	0x0000000100d187fc in __25-[XCTestDriver _runTests]_block_invoke.289 ()
swiftlang/swift#72	0x0000000100d32768 in -[XCTestObservationCenter _observeTestExecutionForTestBundle:inBlock:] ()
swiftlang/swift#73	0x0000000100d181a4 in -[XCTestDriver _runTests] ()
swiftlang/swift#74	0x0000000100d1a0ac in _XCTestMain ()
swiftlang/swift#75	0x0000000100002b30 in static xctesttool.xctest.main() -> () ()
swiftlang/swift#76	0x0000000100002c28 in static xctesttool.xctest.$main() -> () ()
swiftlang/swift#77	0x0000000100002c3c in main ()
swiftlang/swift#78	0x000000019f97b154 in start ()

Expected behavior

Replacing the match accordingly (printing " text ").

Environment

swift-driver version: 1.115 Apple Swift version 6.0 (swiftlang-6.0.0.9.10 clang-1600.0.26.2)
Target: arm64-apple-macosx14.0

Additional information

No response
@stefanspringer1 stefanspringer1 added the bug Something isn't working label Oct 25, 2024
@hamishknight hamishknight transferred this issue from swiftlang/swift Oct 25, 2024
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