1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
|
// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -emit-module -emit-module-path %t/StrictModule.swiftmodule -module-name StrictModule -swift-version 6 %S/Inputs/StrictModule.swift
// RUN: %target-swift-frontend -emit-module -emit-module-path %t/NonStrictModule.swiftmodule -module-name NonStrictModule %S/Inputs/NonStrictModule.swift
// RUN: %target-swift-frontend -strict-concurrency=minimal -disable-availability-checking -I %t -verify %s -o /dev/null -emit-sil
// RUN: %target-swift-frontend -strict-concurrency=targeted -disable-availability-checking -I %t -verify %s -o /dev/null -emit-sil -verify-additional-prefix targeted-complete-
// RUN: %target-swift-frontend -strict-concurrency=complete -disable-availability-checking -I %t -verify %s -o /dev/null -emit-sil -verify-additional-prefix complete- -verify-additional-prefix targeted-complete- -verify-additional-prefix tns-
// REQUIRES: concurrency
import StrictModule // no remark: we never recommend @preconcurrency due to an explicitly non-Sendable (via -strict-concurrency=complete) type
import NonStrictModule
actor A {
func f() -> [StrictStruct: NonStrictClass] { [:] }
}
class NS { }
struct MyType {
var nsc: NonStrictClass
}
struct MyType2 {
var nsc: NonStrictClass
var ns: NS
}
func testA(ns: NS, mt: MyType, mt2: MyType2, sc: StrictClass, nsc: NonStrictClass) async {
Task { // expected-tns-warning {{passing closure as a 'sending' parameter risks causing data races between code in the current task and concurrent execution of the closure}}
print(ns) // expected-tns-note {{closure captures non-Sendable 'ns'}}
print(mt) // expected-tns-note {{closure captures non-Sendable 'mt'}}
print(mt2) // expected-tns-note {{closure captures non-Sendable 'mt2'}}
print(sc) // expected-tns-note {{closure captures non-Sendable 'sc'}}
}
}
extension NonStrictStruct: @retroactive @unchecked Sendable { }
class StrictSubclass: StrictClass {
override func send(_ body: () -> ()) {}
override func dontSend(_ body: () -> ()) {}
}
struct StrictConformer: StrictProtocol {
func send(_ body: () -> Void) {}
func dontSend(_ body: () -> Void) {}
}
class NonStrictSubclass: NonStrictClass {
override func send(_ body: () -> ()) {}
override func dontSend(_ body: () -> ()) {}
}
struct NonStrictConformer: NonStrictProtocol {
func send(_ body: () -> Void) {}
func dontSend(_ body: () -> Void) {}
}
|
