File: moveonly_addresschecker_destructure_through_deinit_diagnostics.swift

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (219 lines) | stat: -rw-r--r-- 7,097 bytes parent folder | download
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
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
// RUN: %target-swift-emit-sil -sil-verify-all -verify -enable-experimental-feature MoveOnlyClasses -enable-experimental-feature MoveOnlyTuples %s

// This test validates that we properly emit errors if we partially invalidate
// through a type with a deinit.

//////////////////
// Declarations //
//////////////////

class Klass {}

@_moveOnly
class MoveOnlyKlass {
  var value: Int = 0
}

struct KlassPair : ~Copyable {
  var lhs: Klass
  var rhs: MoveOnlyKlass
}

struct AggStruct : ~Copyable {
  var pair: KlassPair
}

struct KlassPair2 : ~Copyable {
  var lhs: MoveOnlyKlass
  var rhs: MoveOnlyKlass
}

struct AggStruct2 : ~Copyable {
  var lhs: MoveOnlyKlass
  var pair: KlassPair2
  var rhs: MoveOnlyKlass
}

struct SingleIntContainingStruct : ~Copyable {
    var value: Int = 0
}

struct MoveOnlyPair : ~Copyable {
  var first = SingleIntContainingStruct()
  var second = SingleIntContainingStruct()
}

protocol P {
  static var value: Self { get }
}

func consume<T : P>(_ x: consuming T) {}
func consume(_ x: consuming SingleIntContainingStruct) {}
func consume(_ x: consuming MoveOnlyKlass) {}
func consume(_ x: consuming MoveOnlyPair) {}
func consume(_ x: consuming Klass) {}

////////////////////
// MARK: Loadable //
////////////////////

struct DeinitStruct : ~Copyable {
  var first: Klass
  var second: (Klass, Klass)
  var third: KlassPair
  var fourth: (MoveOnlyKlass, MoveOnlyKlass)
  var fifth: MoveOnlyKlass

  deinit {} // expected-note 10{{deinitializer declared here}}
}

func testConsumeCopyable(_ x: consuming DeinitStruct) {
    consume(x.first)
    consume(x.second.0)
    consume(x.third.lhs)
}

func testConsumeNonCopyable1(_ x: consuming DeinitStruct) {
    // expected-error @+1 {{cannot partially consume 'x' when it has a deinitializer}}
    consume(x.third.rhs)
}

func testConsumeNonCopyable2(_ x: consuming DeinitStruct) {
    // expected-error @+1 {{cannot partially consume 'x' when it has a deinitializer}}
    consume(x.fourth.0)
}

func testConsumeNonCopyable3(_ x: consuming DeinitStruct) {
    // expected-error @+1 {{cannot partially consume 'x' when it has a deinitializer}}
    consume(x.fourth.1)
}


func testConsumeNonCopyable4(_ x: consuming DeinitStruct) {
    // expected-error @+1 {{cannot partially consume 'x' when it has a deinitializer}}
    consume(x.fifth)
}


///////////////////////////
// MARK: Loadable Fields //
///////////////////////////

struct StructContainDeinitStruct : ~Copyable {
  var first: DeinitStruct
  var second: (DeinitStruct, DeinitStruct)
  var third: Klass
  var fourth: (Klass, Klass)
  var fifth: MoveOnlyKlass
  var sixth: (MoveOnlyKlass, MoveOnlyKlass)
}

func testStructContainDeinitStructConsumeCopyable1(_ x: consuming StructContainDeinitStruct) {
    consume(x.first.first)
    consume(x.first.second.0)
    consume(x.first.third.lhs)
    consume(x.second.0.first)
    consume(x.second.1.second.0)
    consume(x.second.0.third.lhs)
    consume(x.sixth.0)
}


func testStructContainStructContainDeinitStructConsumeNonCopyable1(_ xyz: consuming StructContainDeinitStruct) {
    // expected-error @+1 {{cannot partially consume 'xyz.first' when it has a deinitializer}}
    consume(xyz.first.third.rhs)
}

func testStructContainStructContainDeinitStructConsumeNonCopyable1a(_ x: consuming StructContainDeinitStruct) {
    // expected-error @+1 {{cannot partially consume 'x.second.0' when it has a deinitializer}}
    consume(x.second.0.third.rhs)
}

func testStructContainStructContainDeinitStructConsumeNonCopyable2(_ x: consuming StructContainDeinitStruct) {
    // expected-error @+1 {{cannot partially consume 'x.first' when it has a deinitializer}}
    consume(x.first.fourth.0)
}

func testStructContainStructContainDeinitStructConsumeNonCopyable2a(_ x: consuming StructContainDeinitStruct) {
    // expected-error @+1 {{cannot partially consume 'x.second.1' when it has a deinitializer}}
    consume(x.second.1.fourth.0)
}

func testStructContainStructContainDeinitStructConsumeNonCopyable3(_ x: consuming StructContainDeinitStruct) {
    // expected-error @+1 {{cannot partially consume 'x.first' when it has a deinitializer}}
    consume(x.first.fourth.1)
}


func testStructContainStructContainDeinitStructConsumeNonCopyable4(_ x: consuming StructContainDeinitStruct) {
    // expected-error @+1 {{cannot partially consume 'x.first' when it has a deinitializer}}
    consume(x.first.fifth)
}

////////////////////////
// MARK: Address Only //
////////////////////////

struct AddressOnlyDeinitStruct<T : P> : ~Copyable {
  var copyable: T = T.value
  var moveOnly = SingleIntContainingStruct()
  var moveOnlyPair = MoveOnlyPair()

  deinit {} // expected-note 5{{deinitializer declared here}}
}

func consume<T : P>(_ x: consuming AddressOnlyDeinitStruct<T>) {}

func testAddressOnlyCanConsumeEntireType<T : P>(_ x: consuming AddressOnlyDeinitStruct<T>) {
  // This is ok since we are consuming a copyable value.
  consume(x.copyable)
  // This is ok since we are consuming the entire value.
  consume(x)
}

func testAddressOnlyCannotPartialConsume<T : P>(_ x: consuming AddressOnlyDeinitStruct<T>) {
  consume(x.moveOnly) // expected-error {{cannot partially consume 'x' when it has a deinitializer}}
  consume(x.moveOnlyPair.first) // expected-error {{cannot partially consume 'x' when it has a deinitializer}}
  consume(x.copyable)
}

struct AddressOnlyContainingDeinitStruct<T : P> : ~Copyable {
  var a = AddressOnlyDeinitStruct<T>()
}

func testAddressOnlyCannotPartialConsumeEvenIfSingleElt<T : P>(_ x: consuming AddressOnlyContainingDeinitStruct<T>) {
  // We do not error here since we can partially consume x, but not x.a
  consume(x.a)
  consume(x.a.moveOnlyPair) // expected-error {{cannot partially consume 'x.a' when it has a deinitializer}}
}

struct AddressOnlyContainingDeinitSingleField<T : P> : ~Copyable {
  var moveOnly = SingleIntContainingStruct()
  deinit {} // expected-note {{deinitializer declared here}}
}

struct AddressOnlyContainingDeinitStruct3<T : P> : ~Copyable {
  var a = AddressOnlyContainingDeinitSingleField<T>()
}

func consume<T : P>(_ x: consuming AddressOnlyContainingDeinitSingleField<T>) {}

func testAddressOnlyCannotPartialConsumeEvenIfSingleElt<T : P>(_ x: consuming AddressOnlyContainingDeinitStruct3<T>) {
  // We do not error here since we can partially consume x, but not x.a
  consume(x.a)
  consume(x.a.moveOnly) // expected-error {{cannot partially consume 'x.a' when it has a deinitializer}}
}


struct AddressOnlyContainingDeinitStructPair<T : P> : ~Copyable {
  var first = AddressOnlyDeinitStruct<T>()
  var second = AddressOnlyDeinitStruct<T>()
}

// Make sure that if the deinit is in an intermediate element of the path that
// we still handle it appropriately.
func testAddressOnlyDeinitInMiddlePath<T : P>(_ x: consuming AddressOnlyContainingDeinitStructPair<T>) {
  consume(x.first.moveOnly) // expected-error {{cannot partially consume 'x.first' when it has a deinitializer}}
  consume(x.first.moveOnlyPair.first) // expected-error {{cannot partially consume 'x.first' when it has a deinitializer}}
  consume(x.first.copyable)
}