File: super.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 (226 lines) | stat: -rw-r--r-- 11,035 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
220
221
222
223
224
225
226

// RUN: %empty-directory(%t)
// RUN: %target-swift-frontend -I %t -emit-module -emit-module-path=%t/resilient_struct.swiftmodule %S/../Inputs/resilient_struct.swift
// RUN: %target-swift-frontend -I %t -emit-module -emit-module-path=%t/resilient_class.swiftmodule %S/../Inputs/resilient_class.swift

// Note: we build fixed_layout_class without -enable-library-evolution, since with
// -enable-library-evolution even @_fixed_layout classes have resilient metadata, and
// we want to test the fragile access pattern here.

// RUN: %target-swift-frontend -emit-module -I %t -o %t %S/../Inputs/fixed_layout_class.swift

// RUN: %target-swift-emit-silgen -module-name super -parse-as-library -I %t %s | %FileCheck %s

import resilient_class
import fixed_layout_class

public class Parent {
  public final var finalProperty: String {
    return "Parent.finalProperty"
  }

  public var property: String {
    return "Parent.property"
  }

  public final class var finalClassProperty: String {
    return "Parent.finalProperty"
  }

  public class var classProperty: String {
    return "Parent.property"
  }

  public func methodOnlyInParent() {}
  public final func finalMethodOnlyInParent() {}
  public func method() {}

  public final class func finalClassMethodOnlyInParent() {}
  public class func classMethod() {}
}

public class Child : Parent {
  // CHECK-LABEL: sil [ossa] @$s5super5ChildC8propertySSvg : $@convention(method) (@guaranteed Child) -> @owned String {
  // CHECK:       bb0([[SELF:%.*]] : @guaranteed $Child):
  // CHECK:         [[SELF_COPY:%.*]] = copy_value [[SELF]]
  // CHECK:         [[CAST_SELF_COPY:%[0-9]+]] = upcast [[SELF_COPY]] : $Child to $Parent
  // CHECK:         [[CAST_SELF_BORROW:%[0-9]+]] = begin_borrow [[CAST_SELF_COPY]]
  // CHECK:         [[SUPER_METHOD:%[0-9]+]] = function_ref @$s5super6ParentC8propertySSvg : $@convention(method) (@guaranteed Parent) -> @owned String
  // CHECK:         [[RESULT:%.*]] = apply [[SUPER_METHOD]]([[CAST_SELF_BORROW]])
  // CHECK:         end_borrow [[CAST_SELF_BORROW]]
  // CHECK:         destroy_value [[CAST_SELF_COPY]]
  // CHECK:         return [[RESULT]]
  public override var property: String {
    return super.property
  }

  // CHECK-LABEL: sil [ossa] @$s5super5ChildC13otherPropertySSvg : $@convention(method) (@guaranteed Child) -> @owned String {
  // CHECK:       bb0([[SELF:%.*]] : @guaranteed $Child):
  // CHECK:         [[COPIED_SELF:%.*]] = copy_value [[SELF]]
  // CHECK:         [[CAST_SELF_COPY:%[0-9]+]] = upcast [[COPIED_SELF]] : $Child to $Parent
  // CHECK:         [[CAST_SELF_BORROW:%[0-9]+]] = begin_borrow [[CAST_SELF_COPY]]
  // CHECK:         [[SUPER_METHOD:%[0-9]+]] = function_ref @$s5super6ParentC13finalPropertySSvg
  // CHECK:         [[RESULT:%.*]] = apply [[SUPER_METHOD]]([[CAST_SELF_BORROW]])
  // CHECK:         end_borrow [[CAST_SELF_BORROW]]
  // CHECK:         destroy_value [[CAST_SELF_COPY]]
  // CHECK:         return [[RESULT]]
  public var otherProperty: String {
    return super.finalProperty
  }
}

public class Grandchild : Child {
  // CHECK-LABEL: sil [ossa] @$s5super10GrandchildC06onlyInB0yyF
  public func onlyInGrandchild() {
    // CHECK: function_ref @$s5super6ParentC012methodOnlyInB0yyF : $@convention(method) (@guaranteed Parent) -> ()
    super.methodOnlyInParent()
    // CHECK: function_ref @$s5super6ParentC017finalMethodOnlyInB0yyF
    super.finalMethodOnlyInParent()
  }

  // CHECK-LABEL: sil [ossa] @$s5super10GrandchildC6methodyyF
  public override func method() {
    // CHECK: function_ref @$s5super6ParentC6methodyyF : $@convention(method) (@guaranteed Parent) -> ()
    super.method()
  }
}

public class GreatGrandchild : Grandchild {
  // CHECK-LABEL: sil [ossa] @$s5super15GreatGrandchildC6methodyyF
  public override func method() {
    // CHECK: function_ref @$s5super10GrandchildC6methodyyF : $@convention(method) (@guaranteed Grandchild) -> ()
    super.method()
  }
}

public class ChildToResilientParent : ResilientOutsideParent {
  // CHECK-LABEL: sil [ossa] @$s5super22ChildToResilientParentC6methodyyF : $@convention(method) (@guaranteed ChildToResilientParent) -> ()
  public override func method() {
    // CHECK: bb0([[SELF:%.*]] : @guaranteed $ChildToResilientParent):
    // CHECK:   [[COPY_SELF:%.*]] = copy_value [[SELF]]
    // CHECK:   [[UPCAST_SELF:%.*]] = upcast [[COPY_SELF]]
    // CHECK:   [[BORROW_UPCAST_SELF:%.*]] = begin_borrow [[UPCAST_SELF]]
    // CHECK:   [[CAST_BORROW_BACK_TO_BASE:%.*]] = unchecked_ref_cast [[BORROW_UPCAST_SELF]]
    // CHECK:   [[FUNC:%.*]] = super_method [[CAST_BORROW_BACK_TO_BASE]] : $ChildToResilientParent, #ResilientOutsideParent.method : (ResilientOutsideParent) -> () -> (), $@convention(method) (@guaranteed ResilientOutsideParent) -> ()
    // CHECK:   end_borrow [[BORROW_UPCAST_SELF]]
    // CHECK:   apply [[FUNC]]([[UPCAST_SELF]])
    super.method()
  }
  // CHECK: } // end sil function '$s5super22ChildToResilientParentC6methodyyF'

  // CHECK-LABEL: sil [ossa] @$s5super22ChildToResilientParentC11classMethodyyFZ : $@convention(method) (@thick ChildToResilientParent.Type) -> ()
  public override class func classMethod() {
    // CHECK: bb0([[METASELF:%.*]] : $@thick ChildToResilientParent.Type):
    // CHECK:   [[UPCAST_METASELF:%.*]] = upcast [[METASELF]]
    // CHECK:   [[FUNC:%.*]] = super_method [[SELF]] : $@thick ChildToResilientParent.Type, #ResilientOutsideParent.classMethod : (ResilientOutsideParent.Type) -> () -> (), $@convention(method) (@thick ResilientOutsideParent.Type) -> ()
    // CHECK:   apply [[FUNC]]([[UPCAST_METASELF]])
    super.classMethod()
  }
  // CHECK: } // end sil function '$s5super22ChildToResilientParentC11classMethodyyFZ'

  // CHECK-LABEL: sil [ossa] @$s5super22ChildToResilientParentC11returnsSelfACXDyFZ : $@convention(method) (@thick ChildToResilientParent.Type) -> @owned ChildToResilientParent
  public class func returnsSelf() -> Self {
    // CHECK: bb0([[METASELF:%.*]] : $@thick ChildToResilientParent.Type):
    // CHECK:   [[CAST_METASELF:%.*]] = unchecked_trivial_bit_cast [[METASELF]] : $@thick ChildToResilientParent.Type to $@thick @dynamic_self ChildToResilientParent.Type
    // CHECK:   [[UPCAST_CAST_METASELF:%.*]] = upcast [[CAST_METASELF]] : $@thick @dynamic_self ChildToResilientParent.Type to $@thick ResilientOutsideParent.Type
    // CHECK:   [[FUNC:%.*]] = super_method [[METASELF]] : $@thick ChildToResilientParent.Type, #ResilientOutsideParent.classMethod : (ResilientOutsideParent.Type) -> () -> ()
    // CHECK:   apply [[FUNC]]([[UPCAST_CAST_METASELF]])
    // CHECK: unreachable
    _ = 0
    super.classMethod()
  }
  // CHECK: } // end sil function '$s5super22ChildToResilientParentC11returnsSelfACXDyFZ'
}

public class ChildToFixedParent : OutsideParent {
  // CHECK-LABEL: sil [ossa] @$s5super18ChildToFixedParentC6methodyyF : $@convention(method) (@guaranteed ChildToFixedParent) -> ()
  public override func method() {
    // CHECK: bb0([[SELF:%.*]] : @guaranteed $ChildToFixedParent):
    // CHECK:   [[COPY_SELF:%.*]] = copy_value [[SELF]]
    // CHECK:   [[UPCAST_COPY_SELF:%.*]] = upcast [[COPY_SELF]]
    // CHECK:   [[BORROWED_UPCAST_COPY_SELF:%.*]] = begin_borrow [[UPCAST_COPY_SELF]]
    // CHECK:   [[DOWNCAST_BORROWED_UPCAST_COPY_SELF:%.*]] = unchecked_ref_cast [[BORROWED_UPCAST_COPY_SELF]] : $OutsideParent to $ChildToFixedParent
    // CHECK:   [[FUNC:%.*]] = super_method [[DOWNCAST_BORROWED_UPCAST_COPY_SELF]] : $ChildToFixedParent, #OutsideParent.method : (OutsideParent) -> () -> (), $@convention(method) (@guaranteed OutsideParent) -> ()
    // CHECK:   end_borrow [[BORROWED_UPCAST_COPY_SELF]]
    // CHECK:   apply [[FUNC]]([[UPCAST_COPY_SELF]])
    super.method()
  }
  // CHECK: } // end sil function '$s5super18ChildToFixedParentC6methodyyF'

  // CHECK-LABEL: sil [ossa] @$s5super18ChildToFixedParentC11classMethodyyFZ : $@convention(method) (@thick ChildToFixedParent.Type) -> ()
  public override class func classMethod() {
    // CHECK: bb0([[SELF:%.*]] : $@thick ChildToFixedParent.Type):
    // CHECK:   [[UPCAST_SELF:%.*]] = upcast [[SELF]]
    // CHECK:   [[FUNC:%.*]] = super_method [[SELF]] : $@thick ChildToFixedParent.Type, #OutsideParent.classMethod : (OutsideParent.Type) -> () -> (), $@convention(method) (@thick OutsideParent.Type) -> ()
    // CHECK:   apply [[FUNC]]([[UPCAST_SELF]])
    super.classMethod()
  }
  // CHECK: } // end sil function '$s5super18ChildToFixedParentC11classMethodyyFZ'

  // CHECK-LABEL: sil [ossa] @$s5super18ChildToFixedParentC11returnsSelfACXDyFZ : $@convention(method) (@thick ChildToFixedParent.Type) -> @owned ChildToFixedParent
  public class func returnsSelf() -> Self {
    // CHECK: bb0([[SELF:%.*]] : $@thick ChildToFixedParent.Type):
    // CHECK:   [[FIRST_CAST:%.*]] = unchecked_trivial_bit_cast [[SELF]]
    // CHECK:   [[SECOND_CAST:%.*]] = upcast [[FIRST_CAST]]
    // CHECK:   [[FUNC:%.*]] = super_method [[SELF]] : $@thick ChildToFixedParent.Type, #OutsideParent.classMethod : (OutsideParent.Type) -> () -> ()
    // CHECK:   apply [[FUNC]]([[SECOND_CAST]])
    // CHECK:   unreachable
    _ = 0
    super.classMethod()
  }
  // CHECK: } // end sil function '$s5super18ChildToFixedParentC11returnsSelfACXDyFZ'
}

// https://github.com/apple/swift/issues/52660
// 'super.foo()' call across a module boundary from a subclass that does
// not override 'foo()'.

public class SuperCallToNonOverriddenMethod : OutsideParent {
  public func newMethod() {
    super.method()
  }
}

public extension ResilientOutsideChild {
  public func callSuperMethod() {
    super.method()
  }

  public class func callSuperClassMethod() {
    super.classMethod()
  }
}

public class GenericBase<T> {
  public func method() {}
}

public class GenericDerived<T> : GenericBase<T> {
  public override func method() {
    // CHECK-LABEL: sil private [ossa] @$s5super14GenericDerivedC6methodyyFyyXEfU_ : $@convention(thin) <T> (@guaranteed GenericDerived<T>) -> ()
    // CHECK: upcast {{.*}} : $GenericDerived<T> to $GenericBase<T>
    // CHECK: return
    {
      super.method()
    }()
    // CHECK: } // end sil function '$s5super14GenericDerivedC6methodyyFyyXEfU_'

    // CHECK-LABEL: sil private [ossa] @$s5super14GenericDerivedC6methodyyF13localFunctionL_yylF : $@convention(thin) <T> (@guaranteed GenericDerived<T>) -> ()
    // CHECK: upcast {{.*}} : $GenericDerived<T> to $GenericBase<T>
    // CHECK: return
    // CHECK: } // end sil function '$s5super14GenericDerivedC6methodyyF13localFunctionL_yylF'
    func localFunction() {
      super.method()
    }
    localFunction()

    // CHECK-LABEL: sil private [ossa] @$s5super14GenericDerivedC6methodyyF15genericFunctionL_yyqd__r__lF : $@convention(thin) <T><U> (@in_guaranteed U, @guaranteed GenericDerived<T>) -> ()
    // CHECK: upcast {{.*}} : $GenericDerived<T> to $GenericBase<T>
    // CHECK: return
    func genericFunction<U>(_: U) {
      super.method()
    }
    // CHECK: } // end sil function '$s5super14GenericDerivedC6methodyyF15genericFunctionL_yyqd__r__lF'
    genericFunction(0)
  }
}