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adeb40f261
Removes the underscored prefixes from the @_section and @_used attributes, making them public as @section and @used respectively. The SymbolLinkageMarkers experimental feature has been removed as these attributes are now part of the standard language. Implemented expression syntactic checking rules per SE-0492. Major parts: - Renamed @_section to @section and @_used to @used - Removed the SymbolLinkageMarkers experimental feature - Added parsing support for the old underscored names with deprecation warnings - Updated all tests and examples to use the new attribute names - Added syntactic validation for @section to align with SE-0492 (reusing the legality checker by @artemcm) - Changed @DebugDescription macro to explicitly use a tuple type instead of type inferring it, to comply with the expression syntax rules - Added a testcase for the various allowed and disallowed syntactic forms, `test/ConstValues/SectionSyntactic.swift`.
46 lines
1.4 KiB
Swift
46 lines
1.4 KiB
Swift
// RUN: %target-swift-frontend -Xllvm -sil-print-types -emit-sil -target %target-swift-5.1-abi-triple -parse-as-library %s | %FileCheck %s --check-prefix=CHECK-SIL
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// RUN: %target-build-swift -target %target-swift-5.1-abi-triple -Xfrontend -parse-as-library %s -o %t_binary
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// RUN: %target-codesign %t_binary
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// RUN: %target-run %t_binary | %FileCheck %s --check-prefix=CHECK-EXEC
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// REQUIRES: concurrency
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// REQUIRES: executable_test
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// REQUIRES: OS=macosx || OS=ios
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// REQUIRES: swift_in_compiler
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// rdar://76038845
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// REQUIRES: concurrency_runtime
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// UNSUPPORTED: back_deployment_runtime
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@MainActor
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var foo: Int = 42
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func asyncFunc() async {
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print("Hello World!")
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}
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public func callAsync() async {
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await asyncFunc()
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}
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// CHECK-SIL-LABEL: sil_global [section "__DATA,__mysection"] @$s23global_function_pointer5gfptryyYacvp : $@async @callee_guaranteed () -> () = {
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// CHECK-SIL: %0 = function_ref @$s23global_function_pointer9callAsyncyyYaF : $@convention(thin) @async () -> ()
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// CHECK-SIL-NEXT: %initval = thin_to_thick_function %0 : $@convention(thin) @async () -> () to $@async @callee_guaranteed () -> ()
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// CHECK-SIL-NEXT: }
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@section("__DATA,__mysection")
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public var gfptr = callAsync
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@main struct MyProgram {
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static func main() async throws {
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print("\(foo)")
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foo += 1
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await gfptr()
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print("\(foo)")
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}
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}
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// CHECK-EXEC: 42
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// CHECK-EXEC-NEXT: Hello World!
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// CHECK-EXEC-NEXT: 43
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