File: complete_pattern.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 (236 lines) | stat: -rw-r--r-- 7,002 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
227
228
229
230
231
232
233
234
235
236
// RUN: %batch-code-completion

//===--- Helper types that are used in this test

struct FooStruct {
}

var fooObject : FooStruct

func fooFunc() -> FooStruct {
  return fooObject
}

enum FooEnum {
}

class FooClass {
}

protocol FooProtocol {
  var fooInstanceVar : Int
  typealias FooTypeAlias1
  func fooInstanceFunc0() -> Double
  func fooInstanceFunc1(a: Int) -> Double
  subscript(i: Int) -> Double
}

protocol BarProtocol {
  var barInstanceVar : Int
  typealias BarTypeAlias1
  func barInstanceFunc0() -> Double
  func barInstanceFunc1(a: Int) -> Double
}

typealias FooTypealias = Int

// GLOBAL-DAG: fooObject
// GLOBAL-DAG: fooFunc
// GLOBAL-DAG: FooTypealias
// GLOBAL-DAG: FooProtocol
// GLOBAL-DAG: FooClass

// GLOBAL_NEGATIVE-NOT: fooObject
// GLOBAL_NEGATIVE-NOT: fooFunc

//===---
//===--- Test that we don't try to suggest anything where pattern-atom is expected.
//===---

// NO_COMPLETIONS-NOT: Begin completions

// Use do { } to reset the parser after broken syntax.
do { var #^PATTERN_ATOM_1?check=NO_COMPLETIONS^# }
do { var (#^PATTERN_ATOM_2?check=NO_COMPLETIONS^# }
do {var (a, #^PATTERN_ATOM_3?check=NO_COMPLETIONS^# }
do {var (a #^PATTERN_ATOM_4?check=NO_COMPLETIONS^# }
do {var ((#^PATTERN_ATOM_5?check=NO_COMPLETIONS^# }
do {var ((a, b), #^PATTERN_ATOM_6?check=NO_COMPLETIONS^# }
do {guard var #^PATTERN_ATOM_7?check=NO_COMPLETIONS^# }
do {guard var #^PATTERN_ATOM_8?check=NO_COMPLETIONS^# else { fatalError() } }
do {guard let #^PATTERN_ATOM_9?check=NO_COMPLETIONS^# else { fatalError() } }
do {guard let a = Optional(1), let #^PATTERN_ATOM_10?check=NO_COMPLETIONS^# else { fatalError() } }
do {if let #^PATTERN_ATOM_11?check=NO_COMPLETIONS^# {} }
do {if let a = Optional(1), let #^PATTERN_ATOM_12?check=NO_COMPLETIONS^# {} }
do {if case #^PATTERN_IF_CASE_1?check=GLOBAL^# {} }
do {if case let #^PATTERN_IF_CASE_2?check=NO_COMPLETIONS^# {} }

func inFunc() {
  do { var #^PATTERN_INFUNC_ATOM_1?check=NO_COMPLETIONS^# }
  do { var (#^PATTERN_INFUNC_ATOM_2?check=NO_COMPLETIONS^# }
  do {var (a, #^PATTERN_INFUNC_ATOM_3?check=NO_COMPLETIONS^# }
  do {var (a #^PATTERN_INFUNC_ATOM_4?check=NO_COMPLETIONS^# }
  do {var ((#^PATTERN_INFUNC_ATOM_5?check=NO_COMPLETIONS^# }
  do {var ((a, b), #^PATTERN_INFUNC_ATOM_6?check=NO_COMPLETIONS^# }
  do {guard var #^PATTERN_INFUNC_ATOM_7?check=NO_COMPLETIONS^# }
  do {guard var #^PATTERN_INFUNC_ATOM_8?check=NO_COMPLETIONS^# else { fatalError() } }
  do {guard let #^PATTERN_INFUNC_ATOM_9?check=NO_COMPLETIONS^# else { fatalError() } }
  do {guard let a = Optional(1), let #^PATTERN_INFUNC_ATOM_10?check=NO_COMPLETIONS^# else { fatalError() } }
  do {if let #^PATTERN_INFUNC_ATOM_11?check=NO_COMPLETIONS^# {} }
  do {if let a = Optional(1), let #^PATTERN_INFUNC_ATOM_12?check=NO_COMPLETIONS^# {} }
  do {if case #^PATTERN_INFUNC_IF_CASE_1?check=GLOBAL^# {} }
  do {if case let #^PATTERN_INFUNC_IF_CASE_2?check=NO_COMPLETIONS^# {} }
}

//===---
//===--- Test that we complete the type in 'is' pattern.
//===---

func patternIs1(x: FooClass) {
  switch x {
  case is #^PATTERN_IS_1?check=GLOBAL_NEGATIVE^#
  }
}

func patternIs2() {
  switch unknown_var {
  case is #^PATTERN_IS_2?check=GLOBAL_NEGATIVE^#
  }
}

func patternIs3() {
  switch {
  case is #^PATTERN_IS_3?check=GLOBAL_NEGATIVE^#
  }
}

//===--- Test that we include types from generic parameter lists.

func patternIsGeneric1<
    GenericFoo : FooProtocol,
    GenericBar : FooProtocol & BarProtocol,
    GenericBaz>(x: FooClass) {
  switch x {
  case is #^PATTERN_IS_GENERIC_1?check=GLOBAL_NEGATIVE;check=PATTERN_IS_GENERIC_1^#
  }
}

// Generic parameters of the function.
// PATTERN_IS_GENERIC_1-DAG: Decl[GenericTypeParam]/Local: GenericFoo[#GenericFoo#]{{; name=.+$}}
// PATTERN_IS_GENERIC_1-DAG: Decl[GenericTypeParam]/Local: GenericBar[#GenericBar#]{{; name=.+$}}
// PATTERN_IS_GENERIC_1-DAG: Decl[GenericTypeParam]/Local: GenericBaz[#GenericBaz#]{{; name=.+$}}

struct PatternIsGeneric2<
    StructGenericFoo : FooProtocol,
    StructGenericBar : FooProtocol & BarProtocol,
    StructGenericBaz> {
  func patternIsGeneric2<
      GenericFoo : FooProtocol,
      GenericBar : FooProtocol & BarProtocol,
      GenericBaz>(x: FooClass) {
    switch x {
    case is #^PATTERN_IS_GENERIC_2?check=GLOBAL_NEGATIVE;check=PATTERN_IS_GENERIC_2^#
    }
  }
}

// Generic parameters of the struct.
// PATTERN_IS_GENERIC_2-DAG: Decl[GenericTypeParam]/Local: StructGenericFoo[#StructGenericFoo#]{{; name=.+$}}
// PATTERN_IS_GENERIC_2-DAG: Decl[GenericTypeParam]/Local: StructGenericBar[#StructGenericBar#]{{; name=.+$}}
// PATTERN_IS_GENERIC_2-DAG: Decl[GenericTypeParam]/Local: StructGenericBaz[#StructGenericBaz#]{{; name=.+$}}
// Generic parameters of the function.
// PATTERN_IS_GENERIC_2-DAG: Decl[GenericTypeParam]/Local: GenericFoo[#GenericFoo#]{{; name=.+$}}
// PATTERN_IS_GENERIC_2-DAG: Decl[GenericTypeParam]/Local: GenericBar[#GenericBar#]{{; name=.+$}}
// PATTERN_IS_GENERIC_2-DAG: Decl[GenericTypeParam]/Local: GenericBaz[#GenericBaz#]{{; name=.+$}}


// rdar://21174713
// AFTER_PATTERN_IS: Begin completions
func test<T>(x: T) {
  switch T.self {
  case is Int.Type:
    #^AFTER_PATTERN_IS^#
  }
}

func test_multiple_patterns1(x: Int) {
    switch (x, x) {
    case (0, let a), #^MULTI_PATTERN_1^#
    }
}

// MULTI_PATTERN_1-NOT: Decl[LocalVar]/Local: a[#Int#]{{; name=.+$}}
// MULTI_PATTERN_1-DAG: Decl[LocalVar]/Local: x[#Int#]{{; name=.+$}}

func test_multiple_patterns2(x: Int) {
    switch (x, x) {
    case (0, let a), (let a, 0):
        #^MULTI_PATTERN_2^#
    }
}

// MULTI_PATTERN_2-DAG: Decl[LocalVar]/Local: a[#Int#]{{; name=.+$}}
// MULTI_PATTERN_2-DAG: Decl[LocalVar]/Local: x[#Int#]{{; name=.+$}}

func test_multiple_patterns3(x: Int) {
    switch (x, x) {
    case (0, let a), (let b, 0):
        #^MULTI_PATTERN_3^#
    }
}

// MULTI_PATTERN_3-DAG: Decl[LocalVar]/Local: x[#Int#]{{; name=.+$}}

func test_multiple_patterns4(x: Int) {
    switch (x, x) {
    case (0, let a) where #^MULTI_PATTERN_4^#
        
    }
}

// MULTI_PATTERN_4-DAG: Decl[LocalVar]/Local: a[#Int#]{{; name=.+$}}
// MULTI_PATTERN_4-DAG: Decl[LocalVar]/Local: x[#Int#]{{; name=.+$}}

enum IntHolder {
  case hold(Int)
}
func ident(int: Int) -> Int { return int }
func ident(double: Double) -> Int { return Double }

func test_cc_in_pattern(subject: IntHolder, i1: Int) {
  switch subject {
  case .hold(#^CC_IN_PATTERN_1^#):
    ()
  }
}

// CC_IN_PATTERN_1-DAG: Decl[LocalVar]/Local/TypeRelation[Convertible]: i1[#Int#]; name=i1

func testCompleteAfterPatternInClosure() {
  func takeClosure(_ x: () -> Void) {}

  enum MyEnum {
    case failure(Int)
  }

  func test(value: MyEnum) {
    takeClosure {
      switch value {
      case let .failure(error)#^AFTER_PATTERN_IN_CLOSURE^#:
        break
      }
    }
  }

  // AFTER_PATTERN_IN_CLOSURE-NOT: Begin completions
}

func testIfLetInClosure(foo: Int?) {
  func takeClosure(_ x: () -> Void) {}

  takeClosure {
    if let items#^IF_LET_IN_CLOSURE^# = foo {
    }
  }
  // IF_LET_IN_CLOSURE-NOT: Begin completions
}