| // RUN: %empty-directory(%t) |
| // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -enable-source-import -emit-module -emit-module-doc -o %t %s -disable-objc-attr-requires-foundation-module |
| // RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) -parse-as-library %t/cdecl.swiftmodule -typecheck -emit-objc-header-path %t/cdecl.h -import-objc-header %S/../Inputs/empty.h -disable-objc-attr-requires-foundation-module |
| // RUN: %FileCheck %s < %t/cdecl.h |
| // RUN: %check-in-clang %t/cdecl.h |
| // RUN: %check-in-clang -fno-modules -Qunused-arguments %t/cdecl.h -include Foundation.h -include ctypes.h -include CoreFoundation.h |
| |
| // REQUIRES: objc_interop |
| |
| // CHECK: /// What a nightmare! |
| // CHECK-LABEL: double (^ _Nonnull block_nightmare(SWIFT_NOESCAPE float (^ _Nonnull x)(NSInteger)))(char) SWIFT_WARN_UNUSED_RESULT; |
| |
| /// What a nightmare! |
| @_cdecl("block_nightmare") |
| public func block_nightmare(x: @convention(block) (Int) -> Float) |
| -> @convention(block) (CChar) -> Double { return { _ in 0 } } |
| |
| // CHECK-LABEL: double (^ _Nonnull block_recurring_nightmare(float (^ _Nonnull x)(SWIFT_NOESCAPE NSInteger (^ _Nonnull)(double))))(SWIFT_NOESCAPE char (^ _Nonnull)(unsigned char)) SWIFT_WARN_UNUSED_RESULT; |
| @_cdecl("block_recurring_nightmare") |
| public func block_recurring_nightmare(x: @escaping @convention(block) (@convention(block) (Double) -> Int) -> Float) |
| -> @convention(block) (_ asdfasdf: @convention(block) (CUnsignedChar) -> CChar) -> Double { |
| fatalError() |
| } |
| |
| // CHECK-LABEL: void foo_bar(NSInteger x, NSInteger y); |
| @_cdecl("foo_bar") |
| func foo(x: Int, bar y: Int) {} |
| |
| // CHECK-LABEL: double (* _Nonnull function_pointer_nightmare(SWIFT_NOESCAPE float (* _Nonnull x)(NSInteger)))(char) SWIFT_WARN_UNUSED_RESULT; |
| @_cdecl("function_pointer_nightmare") |
| func function_pointer_nightmare(x: @convention(c) (Int) -> Float) |
| -> @convention(c) (CChar) -> Double { return { _ in 0 } } |
| |
| // CHECK-LABEL: double (* _Nonnull function_pointer_recurring_nightmare(float (* _Nonnull x)(SWIFT_NOESCAPE NSInteger (* _Nonnull)(double))))(SWIFT_NOESCAPE char (* _Nonnull)(unsigned char)) SWIFT_WARN_UNUSED_RESULT; |
| @_cdecl("function_pointer_recurring_nightmare") |
| public func function_pointer_recurring_nightmare(x: @escaping @convention(c) (@convention(c) (Double) -> Int) -> Float) |
| -> @convention(c) (@convention(c) (CUnsignedChar) -> CChar) -> Double { |
| fatalError() |
| } |
| |
| // CHECK-LABEL: void has_keyword_arg_names(NSInteger auto_, NSInteger union_); |
| @_cdecl("has_keyword_arg_names") |
| func keywordArgNames(auto: Int, union: Int) {} |
| |
| // CHECK-LABEL: void return_never(void) SWIFT_NORETURN; |
| @_cdecl("return_never") |
| func returnNever() -> Never { fatalError() } |