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This makes ClangImporter automatically conform C++ sequence types to `Cxx.UnsafeCxxInputIterator` protocol. We consider a C++ type to be a random access iterator type if conforms to `UnsafeCxxInputIterator`, and additionally defines `operator-` and `operator+=`.
88 lines
4.3 KiB
Swift
88 lines
4.3 KiB
Swift
// RUN: %target-swift-ide-test -print-module -module-to-print=CustomSequence -source-filename=x -I %S/Inputs -enable-experimental-cxx-interop -module-cache-path %t | %FileCheck %s
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// CHECK: struct ConstIterator : UnsafeCxxInputIterator {
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// CHECK: var pointee: Int32 { get }
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// CHECK: func successor() -> ConstIterator
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// CHECK: static func == (lhs: ConstIterator, other: ConstIterator) -> Bool
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// CHECK: typealias Pointee = Int32
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// CHECK: }
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// CHECK: struct ConstRACIterator : UnsafeCxxRandomAccessIterator, UnsafeCxxInputIterator {
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// CHECK: var pointee: Int32 { get }
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// CHECK: func successor() -> ConstRACIterator
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// CHECK: static func += (lhs: inout ConstRACIterator, v: ConstRACIterator.difference_type)
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// CHECK: static func - (lhs: ConstRACIterator, other: ConstRACIterator) -> Int32
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// CHECK: static func == (lhs: ConstRACIterator, other: ConstRACIterator) -> Bool
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// CHECK: typealias Pointee = Int32
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// CHECK: typealias Distance = Int32
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// CHECK: }
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// CHECK: struct ConstRACIteratorRefPlusEq : UnsafeCxxRandomAccessIterator, UnsafeCxxInputIterator {
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// CHECK: var pointee: Int32 { get }
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// CHECK: func successor() -> ConstRACIterator
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// CHECK: static func += (lhs: inout ConstRACIteratorRefPlusEq, v: ConstRACIteratorRefPlusEq.difference_type)
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// CHECK: static func - (lhs: ConstRACIteratorRefPlusEq, other: ConstRACIteratorRefPlusEq) -> Int32
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// CHECK: static func == (lhs: ConstRACIteratorRefPlusEq, other: ConstRACIteratorRefPlusEq) -> Bool
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// CHECK: typealias Pointee = Int32
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// CHECK: typealias Distance = Int32
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// CHECK: }
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// CHECK: struct ConstIteratorOutOfLineEq : UnsafeCxxInputIterator {
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// CHECK: var pointee: Int32 { get }
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// CHECK: func successor() -> ConstIteratorOutOfLineEq
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// CHECK: }
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// CHECK: func == (lhs: ConstIteratorOutOfLineEq, rhs: ConstIteratorOutOfLineEq) -> Bool
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// CHECK: struct MinimalIterator : UnsafeCxxInputIterator {
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// CHECK: var pointee: Int32 { get }
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// CHECK: func successor() -> MinimalIterator
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// CHECK: static func == (lhs: MinimalIterator, other: MinimalIterator) -> Bool
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// CHECK: typealias Pointee = Int32
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// CHECK: }
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// CHECK: struct ForwardIterator : UnsafeCxxInputIterator {
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// CHECK: var pointee: Int32 { get }
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// CHECK: func successor() -> ForwardIterator
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// CHECK: static func == (lhs: ForwardIterator, other: ForwardIterator) -> Bool
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// CHECK: typealias Pointee = Int32
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// CHECK: }
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// CHECK: struct HasCustomIteratorTag : UnsafeCxxInputIterator {
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// CHECK: var pointee: Int32 { get }
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// CHECK: func successor() -> HasCustomIteratorTag
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// CHECK: static func == (lhs: HasCustomIteratorTag, other: HasCustomIteratorTag) -> Bool
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// CHECK: typealias Pointee = Int32
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// CHECK: }
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// CHECK: struct HasCustomRACIteratorTag : UnsafeCxxRandomAccessIterator, UnsafeCxxInputIterator {
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// CHECK: var pointee: Int32 { get }
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// CHECK: func successor() -> HasCustomRACIteratorTag
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// CHECK: static func += (lhs: inout HasCustomRACIteratorTag, x: Int32)
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// CHECK: static func - (lhs: HasCustomRACIteratorTag, x: HasCustomRACIteratorTag) -> Int32
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// CHECK: static func == (lhs: HasCustomRACIteratorTag, other: HasCustomRACIteratorTag) -> Bool
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// CHECK: typealias Pointee = Int32
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// CHECK: typealias Distance = Int32
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// CHECK: }
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// CHECK: struct HasCustomIteratorTagInline : UnsafeCxxInputIterator {
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// CHECK: var pointee: Int32 { get }
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// CHECK: func successor() -> HasCustomIteratorTagInline
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// CHECK: static func == (lhs: HasCustomIteratorTagInline, other: HasCustomIteratorTagInline) -> Bool
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// CHECK: typealias Pointee = Int32
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// CHECK: }
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// CHECK: struct HasTypedefIteratorTag : UnsafeCxxInputIterator {
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// CHECK: var pointee: Int32 { get }
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// CHECK: func successor() -> HasTypedefIteratorTag
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// CHECK: static func == (lhs: HasTypedefIteratorTag, other: HasTypedefIteratorTag) -> Bool
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// CHECK: typealias Pointee = Int32
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// CHECK: }
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// CHECK-NOT: struct HasNoIteratorCategory : UnsafeCxxInputIterator
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// CHECK-NOT: struct HasInvalidIteratorCategory : UnsafeCxxInputIterator
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// CHECK-NOT: struct HasNoEqualEqual : UnsafeCxxInputIterator
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// CHECK-NOT: struct HasInvalidEqualEqual : UnsafeCxxInputIterator
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// CHECK-NOT: struct HasNoIncrementOperator : UnsafeCxxInputIterator
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// CHECK-NOT: struct HasNoPreIncrementOperator : UnsafeCxxInputIterator
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// CHECK-NOT: struct HasNoDereferenceOperator : UnsafeCxxInputIterator
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