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2601ff44d4
Begin accepting the attribute in the form of `@cdecl(cName)`, using an identifier instead of a string. For ease of landing this change we still accept the string form. We should stop accepting it before making this feature available in production.
79 lines
2.7 KiB
Swift
79 lines
2.7 KiB
Swift
// RUN: %empty-directory(%t)
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// RUN: split-file %s %t --leading-lines
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/// Generate cdecl.h
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// RUN: %target-swift-frontend(mock-sdk: %clang-importer-sdk) \
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// RUN: %t/Lib.swift -emit-module -verify -o %t -emit-module-doc \
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// RUN: -emit-clang-header-path %t/cdecl.h \
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// RUN: -enable-experimental-feature CDecl
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/// Check cdecl.h directly
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// RUN: %FileCheck %s --input-file %t/cdecl.h
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// RUN: %check-in-clang-c %t/cdecl.h -Wnullable-to-nonnull-conversion
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/// Build a client against cdecl.h
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// RUN: %clang-no-modules -c %t/Client.c -I %t \
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// RUN: -F %S/../Inputs/clang-importer-sdk-path/frameworks \
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// RUN: -I %clang-include-dir -Werror \
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// RUN: -isysroot %S/../Inputs/clang-importer-sdk
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// REQUIRES: swift_feature_CDecl
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//--- Lib.swift
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// CHECK-NOT: assume_nonnull
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// CHECK: #if defined(__cplusplus)
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// CHECK: extern "C" {
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// CHECK: #endif
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/// My documentation
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@cdecl(simple)
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func a0_simple(x: Int, bar y: Int) -> Int { return x }
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// CHECK-LABEL: // My documentation
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// CHECK-LABEL: SWIFT_EXTERN ptrdiff_t simple(ptrdiff_t x, ptrdiff_t y) SWIFT_NOEXCEPT SWIFT_WARN_UNUSED_RESULT;
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@cdecl("primitiveTypes")
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public func b_primitiveTypes(i: Int, ci: CInt, l: CLong, c: CChar, f: Float, d: Double, b: Bool) {}
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// CHECK-LABEL: SWIFT_EXTERN void primitiveTypes(ptrdiff_t i, int ci, long l, char c, float f, double d, bool b) SWIFT_NOEXCEPT;
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@cdecl("has_keyword_arg_names")
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func c_keywordArgNames(auto: Int, union: Int) {}
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// CHECK-LABEL: SWIFT_EXTERN void has_keyword_arg_names(ptrdiff_t auto_, ptrdiff_t union_) SWIFT_NOEXCEPT;
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@cdecl("return_never")
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func d_returnNever() -> Never { fatalError() }
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// CHECK-LABEL: SWIFT_EXTERN void return_never(void) SWIFT_NOEXCEPT SWIFT_NORETURN;
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/// Pointer types
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// CHECK: /// Pointer types
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@cdecl("pointers")
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func f_pointers(_ x: UnsafeMutablePointer<Int>,
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y: UnsafePointer<Int>,
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z: UnsafeMutableRawPointer,
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w: UnsafeRawPointer,
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u: OpaquePointer) {}
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// CHECK: SWIFT_EXTERN void pointers(ptrdiff_t * _Nonnull x, ptrdiff_t const * _Nonnull y, void * _Nonnull z, void const * _Nonnull w, void * _Nonnull u) SWIFT_NOEXCEPT;
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@cdecl("nullable_pointers")
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func g_nullablePointers(_ x: UnsafeMutableRawPointer,
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y: UnsafeMutableRawPointer?,
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z: UnsafeMutableRawPointer!) {}
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// CHECK: SWIFT_EXTERN void nullable_pointers(void * _Nonnull x, void * _Nullable y, void * _Null_unspecified z) SWIFT_NOEXCEPT;
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// CHECK: #if defined(__cplusplus)
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// CHECK-NEXT: }
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// CHECK-NEXT: #endif
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//--- Client.c
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#include "cdecl.h"
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int main() {
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ptrdiff_t x = simple(42, 43);
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primitiveTypes(1, 2, 3, 'a', 1.0f, 2.0, true);
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has_keyword_arg_names(1, 2);
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return_never();
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}
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