From d1a43883eba77c39ffeca6a4ee538c79c423b11a Mon Sep 17 00:00:00 2001
From: Jonathan Grynspan <jgrynspan@apple.com>
Date: Thu, 24 Jul 2025 18:26:52 -0400
Subject: [PATCH] Remove `swt_copyABIEntryPoint_v0()`.

`swt_copyABIEntryPoint_v0()` is an older alias of `swt_abiv0_getEntryPoint()`
with a slightly different signature that was used by Xcode 16.0. Xcode 16.3 and
later use the newer function, so we can remove the older one now.
---
 .../ABI/EntryPoints/ABIEntryPoint.swift       | 42 ------------
 Tests/TestingTests/ABIEntryPointTests.swift   | 64 -------------------
 2 files changed, 106 deletions(-)

diff --git a/Sources/Testing/ABI/EntryPoints/ABIEntryPoint.swift b/Sources/Testing/ABI/EntryPoints/ABIEntryPoint.swift
index 89f4bca93..f12a8ecf5 100644
--- a/Sources/Testing/ABI/EntryPoints/ABIEntryPoint.swift
+++ b/Sources/Testing/ABI/EntryPoints/ABIEntryPoint.swift
@@ -75,46 +75,4 @@ extension ABI.v0 {
 @usableFromInline func abiv0_getEntryPoint() -> UnsafeRawPointer {
   unsafeBitCast(ABI.v0.entryPoint, to: UnsafeRawPointer.self)
 }
-
-#if !SWT_NO_SNAPSHOT_TYPES
-// MARK: - Xcode 16 compatibility
-
-extension ABI.Xcode16 {
-  /// An older signature for ``ABI/v0/EntryPoint-swift.typealias`` used by
-  /// Xcode&nbsp;16.
-  ///
-  /// - Warning: This type will be removed in a future update.
-  @available(*, deprecated, message: "Use ABI.v0.EntryPoint instead.")
-  typealias EntryPoint = @Sendable (
-    _ argumentsJSON: UnsafeRawBufferPointer?,
-    _ recordHandler: @escaping @Sendable (_ recordJSON: UnsafeRawBufferPointer) -> Void
-  ) async throws -> CInt
-}
-
-/// An older signature for ``ABI/v0/entryPoint-swift.type.property`` used by
-/// Xcode&nbsp;16.
-///
-/// - Warning: This function will be removed in a future update.
-@available(*, deprecated, message: "Use ABI.v0.entryPoint (swt_abiv0_getEntryPoint()) instead.")
-@_cdecl("swt_copyABIEntryPoint_v0")
-@usableFromInline func copyABIEntryPoint_v0() -> UnsafeMutableRawPointer {
-  let result = UnsafeMutablePointer<ABI.Xcode16.EntryPoint>.allocate(capacity: 1)
-  result.initialize { configurationJSON, recordHandler in
-    var args = try configurationJSON.map { configurationJSON in
-      try JSON.decode(__CommandLineArguments_v0.self, from: configurationJSON)
-    }
-    if args?.eventStreamVersion == nil {
-      args?.eventStreamVersion = ABI.Xcode16.versionNumber
-    }
-    let eventHandler = try eventHandlerForStreamingEvents(version: args?.eventStreamVersion, encodeAsJSONLines: false, forwardingTo: recordHandler)
-
-    var exitCode = await Testing.entryPoint(passing: args, eventHandler: eventHandler)
-    if exitCode == EXIT_NO_TESTS_FOUND {
-      exitCode = EXIT_SUCCESS
-    }
-    return exitCode
-  }
-  return .init(result)
-}
-#endif
 #endif
diff --git a/Tests/TestingTests/ABIEntryPointTests.swift b/Tests/TestingTests/ABIEntryPointTests.swift
index 9fcda9223..690889451 100644
--- a/Tests/TestingTests/ABIEntryPointTests.swift
+++ b/Tests/TestingTests/ABIEntryPointTests.swift
@@ -18,70 +18,6 @@ private import _TestingInternals
 
 @Suite("ABI entry point tests")
 struct ABIEntryPointTests {
-#if !SWT_NO_SNAPSHOT_TYPES
-  @available(*, deprecated)
-  @Test func v0_experimental() async throws {
-    var arguments = __CommandLineArguments_v0()
-    arguments.filter = ["NonExistentTestThatMatchesNothingHopefully"]
-    arguments.eventStreamVersion = 0
-    arguments.verbosity = .min
-
-    let result = try await _invokeEntryPointV0Experimental(passing: arguments) { recordJSON in
-      let record = try! JSON.decode(ABI.Record<ABI.v0>.self, from: recordJSON)
-      _ = record.kind
-    }
-
-    #expect(result == EXIT_SUCCESS)
-  }
-
-  @available(*, deprecated)
-  @Test("v0 experimental entry point with a large number of filter arguments")
-  func v0_experimental_manyFilters() async throws {
-    var arguments = __CommandLineArguments_v0()
-    arguments.filter = (1...100).map { "NonExistentTestThatMatchesNothingHopefully_\($0)" }
-    arguments.eventStreamVersion = 0
-    arguments.verbosity = .min
-
-    let result = try await _invokeEntryPointV0Experimental(passing: arguments)
-
-    #expect(result == EXIT_SUCCESS)
-  }
-
-  @available(*, deprecated)
-  private func _invokeEntryPointV0Experimental(
-    passing arguments: __CommandLineArguments_v0,
-    recordHandler: @escaping @Sendable (_ recordJSON: UnsafeRawBufferPointer) -> Void = { _ in }
-  ) async throws -> CInt {
-#if !SWT_NO_DYNAMIC_LINKING
-    // Get the ABI entry point by dynamically looking it up at runtime.
-    let copyABIEntryPoint_v0 = try withTestingLibraryImageAddress { testingLibrary in
-      try #require(
-        symbol(in: testingLibrary, named: "swt_copyABIEntryPoint_v0").map {
-          castCFunction(at: $0, to: (@convention(c) () -> UnsafeMutableRawPointer).self)
-        }
-      )
-    }
-#endif
-    let abiEntryPoint = copyABIEntryPoint_v0().assumingMemoryBound(to: ABI.Xcode16.EntryPoint.self)
-    defer {
-      abiEntryPoint.deinitialize(count: 1)
-      abiEntryPoint.deallocate()
-    }
-
-    let argumentsJSON = try JSON.withEncoding(of: arguments) { argumentsJSON in
-      let result = UnsafeMutableRawBufferPointer.allocate(byteCount: argumentsJSON.count, alignment: 1)
-      result.copyMemory(from: argumentsJSON)
-      return result
-    }
-    defer {
-      argumentsJSON.deallocate()
-    }
-
-    // Call the entry point function.
-    return try await abiEntryPoint.pointee(.init(argumentsJSON), recordHandler)
-  }
-#endif
-
   @Test func v0() async throws {
     var arguments = __CommandLineArguments_v0()
     arguments.filter = ["NonExistentTestThatMatchesNothingHopefully"]