ms-if-exists.c source code [clang_source_code/test/Parser/ms-if-exists.c]

1	// RUN: %clang_cc1 %s -fsyntax-only -Wmicrosoft -verify -fms-extensions
2	// expected-no-diagnostics
3
4	struct Type {
5	};
6
7	void test_if_exists_stmts() {
8	int b = 0;
9	__if_exists(Type) {
10	b++;
11	b++;
12	}
13	__if_exists(Type_not) {
14	this will not compile.
15	}
16	__if_not_exists(Type) {
17	this will not compile.
18	}
19	__if_not_exists(Type_not) {
20	b++;
21	b++;
22	}
23	}
24
25	int if_exists_creates_no_scope() {
26	__if_exists(Type) {
27	int x; // 'x' is declared in the parent scope.
28	}
29	__if_not_exists(Type_not) {
30	x++;
31	}
32	return x;
33	}
34
35	__if_exists(Type) {
36	int var23;
37	}
38
39	__if_exists(Type_not) {
40	this will not compile.
41	}
42
43	__if_not_exists(Type) {
44	this will not compile.
45	}
46
47	__if_not_exists(Type_not) {
48	int var244;
49	}
50
51	void test_if_exists_init_list() {
52
53	int array1[] = {
54	0,
55	__if_exists(Type) {2, }
56	3
57	};
58
59	int array2[] = {
60	0,
61	__if_exists(Type_not) { this will not compile }
62	3
63	};
64
65	int array3[] = {
66	0,
67	__if_not_exists(Type_not) {2, }
68	3
69	};
70
71	int array4[] = {
72	0,
73	__if_not_exists(Type) { this will not compile }
74	3
75	};
76
77	}
78
79
80	void test_nested_if_exists() {
81	__if_exists(Type) {
82	int x = 42;
83	__if_not_exists(Type_not) {
84	x++;
85	}
86	}
87	}
88

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