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da07ff577c
PrintAsClang is supposed to emit declarations in the same order regardless of the compiler’s internal state, but we have repeatedly found that our current criteria are inadequate, resulting in non-functionality-affecting changes to generated header content. Add a diagnostic that’s emitted when this happens soliciting a bug report. Since there *should* be no cases where the compiler fails to order declarations, this diagnostic is never actually emitted. Instead, we test this change by enabling `-verify` on nearly all PrintAsClang tests to make sure they are unaffected. This did demonstrate a missing criterion that only mattered in C++ mode: extensions that varied only in their generic signature were not sorted stably. Add a sort criterion for this.
93 lines
7.2 KiB
Swift
93 lines
7.2 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: %target-swift-frontend %s -module-name Functions -clang-header-expose-decls=all-public -typecheck -verify -emit-clang-header-path %t/functions.h
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// RUN: %FileCheck %s -check-prefix CHECK -check-prefix CHECK-%target-abi < %t/functions.h
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// RUN: %check-interop-c-header-in-clang(%t/functions.h)
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// CHECK: SWIFT_EXTERN bool $s9Functions15passThroughBoolyS2bF(bool x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN bool $s9Functions16passThroughCBoolyS2bF(bool x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN char $s9Functions16passThroughCCharys4Int8VADF(char x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN char16_t $s9Functions18passThroughCChar16ys6UInt16VADF(char16_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN char32_t $s9Functions18passThroughCChar32ys7UnicodeO6ScalarVAFF(char32_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN double $s9Functions18passThroughCDoubleyS2dF(double x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN float $s9Functions17passThroughCFloatyS2fF(float x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN int $s9Functions15passThroughCIntys5Int32VADF(int x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN long long $s9Functions20passThroughCLongLongys5Int64VADF(long long x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN short $s9Functions17passThroughCShortys5Int16VADF(short x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN signed char $s9Functions22passThroughCSignedCharys4Int8VADF(signed char x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN unsigned int $s9Functions23passThroughCUnsignedIntys6UInt32VADF(unsigned int x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN unsigned long long $s9Functions024passThroughCUnsignedLongE0ys6UInt64VADF(unsigned long long x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN unsigned short $s9Functions25passThroughCUnsignedShortys6UInt16VADF(unsigned short x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN unsigned char $s9Functions30passThroughCUnsignedSignedCharys5UInt8VADF(unsigned char x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-SYSV-NEXT: SWIFT_EXTERN wchar_t $s9Functions20passThroughCWideCharys7UnicodeO6ScalarVAFF(wchar_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-WIN-NEXT: SWIFT_EXTERN wchar_t $s9Functions20passThroughCWideCharys6UInt16VADF(wchar_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN double $s9Functions17passThroughDoubleyS2dF(double x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN float $s9Functions16passThroughFloatyS2fF(float x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN float $s9Functions18passThroughFloat32yS2fF(float x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN double $s9Functions18passThroughFloat64yS2dF(double x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN ptrdiff_t $s9Functions14passThroughIntyS2iF(ptrdiff_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN int16_t $s9Functions16passThroughInt16ys0D0VADF(int16_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN int32_t $s9Functions16passThroughInt32ys0D0VADF(int32_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN int64_t $s9Functions16passThroughInt64ys0D0VADF(int64_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN int8_t $s9Functions15passThroughInt8ys0D0VADF(int8_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN void * _Nonnull $s9Functions24passThroughOpaquePointerys0dE0VADF(void * _Nonnull x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN size_t $s9Functions15passThroughUIntyS2uF(size_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN uint16_t $s9Functions17passThroughUInt16ys0D0VADF(uint16_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN uint32_t $s9Functions17passThroughUInt32ys0D0VADF(uint32_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN uint64_t $s9Functions17passThroughUInt64ys0D0VADF(uint64_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN uint8_t $s9Functions16passThroughUInt8ys0D0VADF(uint8_t x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN void * _Nonnull $s9Functions34passThroughUnsafeMutableRawPointeryS2vF(void * _Nonnull x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN void const * _Nonnull $s9Functions27passThroughUnsafeRawPointeryS2VF(void const * _Nonnull x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-NEXT: SWIFT_EXTERN void * _Nullable $s9Functions42roundTwoPassThroughUnsafeMutableRawPointerySvSgACF(void * _Nullable x) SWIFT_NOEXCEPT SWIFT_CALL;
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// CHECK-EMPTY:
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// CHECK-NEXT: #ifdef __cplusplus
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// CHECK-NEXT: }
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// CHECK-NEXT: }
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public func passThroughCBool(_ x: CBool) -> CBool { return x }
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public func passThroughCChar(_ x: CChar) -> CChar { return x }
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public func passThroughCWideChar(_ x: CWideChar) -> CWideChar { return x }
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public func passThroughCChar16(_ x: CChar16) -> CChar16 { return x }
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public func passThroughCChar32(_ x: CChar32) -> CChar32 { return x }
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// Don't test CLong as it's platform specific. See long-lp64 test instead.
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public func passThroughCSignedChar(_ x: CSignedChar) -> CSignedChar { return x }
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public func passThroughCShort(_ x: CShort) -> CShort { return x }
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public func passThroughCInt(_ x: CInt) -> CInt { return x }
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public func passThroughCLongLong(_ x: CLongLong) -> CLongLong { return x }
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// Don't test CUnsignedLong as it's platform specific. See long-lp64 test instead.
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public func passThroughCUnsignedSignedChar(_ x: CUnsignedChar) -> CUnsignedChar { return x }
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public func passThroughCUnsignedShort(_ x: CUnsignedShort) -> CUnsignedShort { return x }
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public func passThroughCUnsignedInt(_ x: CUnsignedInt) -> CUnsignedInt { return x }
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public func passThroughCUnsignedLongLong(_ x: CUnsignedLongLong) -> CUnsignedLongLong { return x }
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public func passThroughCFloat(_ x: CFloat) -> CFloat { return x }
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public func passThroughCDouble(_ x: CDouble) -> CDouble { return x }
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public func passThroughInt8(_ x: Int8) -> Int8 { return x }
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public func passThroughInt16(_ x: Int16) -> Int16 { return x }
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public func passThroughInt32(_ x: Int32) -> Int32 { return x }
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public func passThroughInt64(_ x: Int64) -> Int64 { return x }
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public func passThroughUInt8(_ x: UInt8) -> UInt8 { return x }
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public func passThroughUInt16(_ x: UInt16) -> UInt16 { return x }
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public func passThroughUInt32(_ x: UInt32) -> UInt32 { return x }
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public func passThroughUInt64(_ x: UInt64) -> UInt64 { return x }
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public func passThroughFloat(_ x: Float) -> Float { return x }
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public func passThroughDouble(_ x: Double) -> Double { return x }
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public func passThroughFloat32(_ x: Float32) -> Float32 { return x }
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public func passThroughFloat64(_ x: Float64) -> Float64 { return x }
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public func passThroughInt(_ x: Int) -> Int { return x }
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public func passThroughUInt(_ x: UInt) -> UInt { return x }
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public func passThroughBool(_ x: Bool) -> Bool { return x }
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public func passThroughOpaquePointer(_ x: OpaquePointer) -> OpaquePointer { return x }
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public func passThroughUnsafeRawPointer(_ x: UnsafeRawPointer) -> UnsafeRawPointer { return x }
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public func passThroughUnsafeMutableRawPointer(_ x: UnsafeMutableRawPointer) -> UnsafeMutableRawPointer { return x }
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public func roundTwoPassThroughUnsafeMutableRawPointer(_ x: UnsafeMutableRawPointer?) -> UnsafeMutableRawPointer? { return x }
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