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
|
=== tests/cases/conformance/types/thisType/typeRelationships.ts ===
class C {
>C : Symbol(C, Decl(typeRelationships.ts, 0, 0))
self = this;
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
c = new C();
>c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
>C : Symbol(C, Decl(typeRelationships.ts, 0, 0))
foo() {
>foo : Symbol(C.foo, Decl(typeRelationships.ts, 2, 16))
return this;
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
}
f1() {
>f1 : Symbol(C.f1, Decl(typeRelationships.ts, 5, 5))
this.c = this.self;
>this.c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
>c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
this.self = this.c; // Error
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this.c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
>c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
}
f2() {
>f2 : Symbol(C.f2, Decl(typeRelationships.ts, 9, 5))
var a: C[];
>a : Symbol(a, Decl(typeRelationships.ts, 11, 11), Decl(typeRelationships.ts, 12, 11))
>C : Symbol(C, Decl(typeRelationships.ts, 0, 0))
var a = [this, this.c]; // C[] since this is subtype of C
>a : Symbol(a, Decl(typeRelationships.ts, 11, 11), Decl(typeRelationships.ts, 12, 11))
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
>this.c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
>c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
var b: this[];
>b : Symbol(b, Decl(typeRelationships.ts, 13, 11), Decl(typeRelationships.ts, 14, 11))
var b = [this, this.self, null, undefined];
>b : Symbol(b, Decl(typeRelationships.ts, 13, 11), Decl(typeRelationships.ts, 14, 11))
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>undefined : Symbol(undefined)
}
f3(b: boolean) {
>f3 : Symbol(C.f3, Decl(typeRelationships.ts, 15, 5))
>b : Symbol(b, Decl(typeRelationships.ts, 16, 7))
return b ? this.c : this.self; // Should be C
>b : Symbol(b, Decl(typeRelationships.ts, 16, 7))
>this.c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
>c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(C, Decl(typeRelationships.ts, 0, 0))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
}
}
class D extends C {
>D : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>C : Symbol(C, Decl(typeRelationships.ts, 0, 0))
self1 = this;
>self1 : Symbol(D.self1, Decl(typeRelationships.ts, 21, 19))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
self2 = this.self;
>self2 : Symbol(D.self2, Decl(typeRelationships.ts, 22, 17))
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
self3 = this.foo();
>self3 : Symbol(D.self3, Decl(typeRelationships.ts, 23, 22))
>this.foo : Symbol(C.foo, Decl(typeRelationships.ts, 2, 16))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>foo : Symbol(C.foo, Decl(typeRelationships.ts, 2, 16))
d = new D();
>d : Symbol(D.d, Decl(typeRelationships.ts, 24, 23))
>D : Symbol(D, Decl(typeRelationships.ts, 19, 1))
bar() {
>bar : Symbol(D.bar, Decl(typeRelationships.ts, 25, 16))
this.self = this.self1;
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this.self1 : Symbol(D.self1, Decl(typeRelationships.ts, 21, 19))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self1 : Symbol(D.self1, Decl(typeRelationships.ts, 21, 19))
this.self = this.self2;
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this.self2 : Symbol(D.self2, Decl(typeRelationships.ts, 22, 17))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self2 : Symbol(D.self2, Decl(typeRelationships.ts, 22, 17))
this.self = this.self3;
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this.self3 : Symbol(D.self3, Decl(typeRelationships.ts, 23, 22))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self3 : Symbol(D.self3, Decl(typeRelationships.ts, 23, 22))
this.self1 = this.self;
>this.self1 : Symbol(D.self1, Decl(typeRelationships.ts, 21, 19))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self1 : Symbol(D.self1, Decl(typeRelationships.ts, 21, 19))
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
this.self2 = this.self;
>this.self2 : Symbol(D.self2, Decl(typeRelationships.ts, 22, 17))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self2 : Symbol(D.self2, Decl(typeRelationships.ts, 22, 17))
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
this.self3 = this.self;
>this.self3 : Symbol(D.self3, Decl(typeRelationships.ts, 23, 22))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self3 : Symbol(D.self3, Decl(typeRelationships.ts, 23, 22))
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
this.d = this.self;
>this.d : Symbol(D.d, Decl(typeRelationships.ts, 24, 23))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>d : Symbol(D.d, Decl(typeRelationships.ts, 24, 23))
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
this.d = this.c; // Error
>this.d : Symbol(D.d, Decl(typeRelationships.ts, 24, 23))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>d : Symbol(D.d, Decl(typeRelationships.ts, 24, 23))
>this.c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
this.self = this.d; // Error
>this.self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>self : Symbol(C.self, Decl(typeRelationships.ts, 0, 9))
>this.d : Symbol(D.d, Decl(typeRelationships.ts, 24, 23))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>d : Symbol(D.d, Decl(typeRelationships.ts, 24, 23))
this.c = this.d;
>this.c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>c : Symbol(C.c, Decl(typeRelationships.ts, 1, 16))
>this.d : Symbol(D.d, Decl(typeRelationships.ts, 24, 23))
>this : Symbol(D, Decl(typeRelationships.ts, 19, 1))
>d : Symbol(D.d, Decl(typeRelationships.ts, 24, 23))
}
}
|
