File: collisionThisExpressionAndParameter.types

package info (click to toggle)
node-typescript 4.9.5%2Bds1-2
  • links: PTS, VCS
  • area: main
  • in suites: sid, trixie
  • size: 533,908 kB
  • sloc: javascript: 2,018,330; makefile: 7; sh: 1
file content (254 lines) | stat: -rw-r--r-- 6,643 bytes parent folder | download | duplicates (5)
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
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
=== tests/cases/compiler/collisionThisExpressionAndParameter.ts ===
class Foo {
>Foo : Foo

    x() {
>x : () => void

        var _this = 10; // Local var. No this capture in x(), so no conflict.
>_this : number
>10 : 10

        function inner(_this: number) { // Error 
>inner : (_this: number) => (x: any) => any
>_this : number

            return x => this;   // New scope.  So should inject new _this capture into function inner
>x => this : (x: any) => any
>x : any
>this : any
        }
    }
    y() {
>y : () => void

        var lamda = (_this: number) => { // Error 
>lamda : (_this: number) => (x: any) => this
>(_this: number) => { // Error             return x => this;   // New scope.  So should inject new _this capture        } : (_this: number) => (x: any) => this
>_this : number

            return x => this;   // New scope.  So should inject new _this capture
>x => this : (x: any) => this
>x : any
>this : this
        }
    }
    z(_this: number) { // Error 
>z : (_this: number) => void
>_this : number

        var lambda = () => {
>lambda : () => (x: any) => this
>() => {            return x => this;   // New scope.  So should inject new _this capture        } : () => (x: any) => this

            return x => this;   // New scope.  So should inject new _this capture
>x => this : (x: any) => this
>x : any
>this : this
        }
    }

    x1() {
>x1 : () => void

        var _this = 10; // Local var. No this capture in x(), so no conflict.
>_this : number
>10 : 10

        function inner(_this: number) { // No Error 
>inner : (_this: number) => void
>_this : number
        }
    }
    y1() {
>y1 : () => void

        var lamda = (_this: number) => { // No Error 
>lamda : (_this: number) => void
>(_this: number) => { // No Error         } : (_this: number) => void
>_this : number
        }
    }
    z1(_this: number) { // No Error 
>z1 : (_this: number) => void
>_this : number

        var lambda = () => {
>lambda : () => void
>() => {        } : () => void
        }
    }
}
class Foo1 {
>Foo1 : Foo1

    constructor(_this: number) { // Error
>_this : number

        var x2 = {
>x2 : { doStuff: (callback: any) => () => any; }
>{            doStuff: (callback) => () => {                return callback(this);            }        } : { doStuff: (callback: any) => () => any; }

            doStuff: (callback) => () => {
>doStuff : (callback: any) => () => any
>(callback) => () => {                return callback(this);            } : (callback: any) => () => any
>callback : any
>() => {                return callback(this);            } : () => any

                return callback(this);
>callback(this) : any
>callback : any
>this : this
            }
        }
    }
}
declare var console: {
>console : { log(msg: any): any; }

    log(msg: any);
>log : (msg: any) => any
>msg : any
}

function f1(_this: number) {
>f1 : (_this: number) => void
>_this : number

    x => { console.log(this.x); };
>x => { console.log(this.x); } : (x: any) => void
>x : any
>console.log(this.x) : any
>console.log : (msg: any) => any
>console : { log(msg: any): any; }
>log : (msg: any) => any
>this.x : any
>this : any
>x : any
}

declare class Foo2 {
>Foo2 : Foo2

    constructor(_this: number); // no error - no code gen
>_this : number

    z(_this: number); // no error - no code gen
>z : (_this: number) => any
>_this : number
}
declare function f2(_this: number); // no error
>f2 : (_this: number) => any
>_this : number

class Foo3 {
>Foo3 : Foo3

    constructor(_this: string); // no code gen - no error
>_this : string

    constructor(_this: number); // no code gen - no error
>_this : number

    constructor(_this: any) { // Error
>_this : any

        var x2 = {
>x2 : { doStuff: (callback: any) => () => any; }
>{            doStuff: (callback) => () => {                return callback(this);            }        } : { doStuff: (callback: any) => () => any; }

            doStuff: (callback) => () => {
>doStuff : (callback: any) => () => any
>(callback) => () => {                return callback(this);            } : (callback: any) => () => any
>callback : any
>() => {                return callback(this);            } : () => any

                return callback(this);
>callback(this) : any
>callback : any
>this : this
            }
        }
    }

    z(_this: string); // no code gen - no error
>z : { (_this: string): any; (_this: number): any; }
>_this : string

    z(_this: number); // no code gen - no error
>z : { (_this: string): any; (_this: number): any; }
>_this : number

    z(_this: any) { // Error 
>z : { (_this: string): any; (_this: number): any; }
>_this : any

        var lambda = () => {
>lambda : () => (x: any) => this
>() => {            return x => this;   // New scope.  So should inject new _this capture        } : () => (x: any) => this

            return x => this;   // New scope.  So should inject new _this capture
>x => this : (x: any) => this
>x : any
>this : this
        }
    }
}
declare var console: {
>console : { log(msg: any): any; }

    log(msg: any);
>log : (msg: any) => any
>msg : any
}

function f3(_this: number); // no code gen - no error
>f3 : { (_this: number): any; (_this: string): any; }
>_this : number

function f3(_this: string); // no code gen - no error
>f3 : { (_this: number): any; (_this: string): any; }
>_this : string

function f3(_this: any) {
>f3 : { (_this: number): any; (_this: string): any; }
>_this : any

    x => { console.log(this.x); };
>x => { console.log(this.x); } : (x: any) => void
>x : any
>console.log(this.x) : any
>console.log : (msg: any) => any
>console : { log(msg: any): any; }
>log : (msg: any) => any
>this.x : any
>this : any
>x : any
}

declare class Foo4 {
>Foo4 : Foo4

    constructor(_this: string); // no code gen - no error
>_this : string

    constructor(_this: number); // no code gen - no error
>_this : number

    z(_this: string); // no code gen - no error
>z : { (_this: string): any; (_this: number): any; }
>_this : string

    z(_this: number); // no code gen - no error
>z : { (_this: string): any; (_this: number): any; }
>_this : number
}

declare function f4(_this: number); // no code gen - no error
>f4 : { (_this: number): any; (_this: string): any; }
>_this : number

declare function f4(_this: string); // no code gen - no error
>f4 : { (_this: number): any; (_this: string): any; }
>_this : string