blob: 2d4a957f1276b23c908015c80f035579a89b6409 (
plain)
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
|
// RUN: %clang_cc1 %s -std=c++11 -fsyntax-only -Wmicrosoft -verify -fms-extensions
// expected-no-diagnostics
class MayExist {
private:
typedef int Type;
};
void test_if_exists_stmts() {
int b = 0;
__if_exists(MayExist::Type) {
b++;
b++;
}
__if_exists(MayExist::Type_not) {
this will not compile.
}
__if_not_exists(MayExist::Type) {
this will not compile.
}
__if_not_exists(MayExist::Type_not) {
b++;
b++;
}
}
int if_exists_creates_no_scope() {
__if_exists(MayExist::Type) {
int x; // 'x' is declared in the parent scope.
}
__if_not_exists(MayExist::Type_not) {
x++;
}
return x;
}
__if_exists(MayExist::Type) {
int var23;
}
__if_exists(MayExist::Type_not) {
this will not compile.
}
__if_not_exists(MayExist::Type) {
this will not compile.
}
__if_not_exists(MayExist::Type_not) {
int var244;
}
void test_if_exists_init_list() {
int array1[] = {
0,
__if_exists(MayExist::Type) {2, }
3
};
int array2[] = {
0,
__if_exists(MayExist::Type_not) { this will not compile }
3
};
int array3[] = {
0,
__if_not_exists(MayExist::Type_not) {2, }
3
};
int array4[] = {
0,
__if_not_exists(MayExist::Type) { this will not compile }
3
};
}
class IfExistsClassScope {
__if_exists(MayExist::Type) {
// __if_exists, __if_not_exists can nest
__if_not_exists(MayExist::Type_not) {
int var123;
}
int var23;
}
__if_exists(MayExist::Type_not) {
this will not compile.
}
__if_not_exists(MayExist::Type) {
this will not compile.
}
__if_not_exists(MayExist::Type_not) {
int var244;
}
};
|
