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223e47cc LB |
1 | // RUN: %clang_cc1 -fsyntax-only -verify %s -fblocks |
2 | ||
3 | void tovoid(void*); | |
4 | ||
5 | void tovoid_test(int (^f)(int, int)) { | |
6 | tovoid(f); | |
7 | } | |
8 | ||
9 | void reference_lvalue_test(int& (^f)()) { | |
10 | f() = 10; | |
11 | } | |
12 | ||
13 | // PR 7165 | |
14 | namespace test1 { | |
15 | void g(void (^)()); | |
16 | struct Foo { | |
17 | void foo(); | |
18 | void test() { | |
19 | (void) ^{ foo(); }; | |
20 | } | |
21 | }; | |
22 | } | |
23 | ||
24 | namespace test2 { | |
25 | int repeat(int value, int (^block)(int), unsigned n) { | |
26 | while (n--) value = block(value); | |
27 | return value; | |
28 | } | |
29 | ||
30 | class Power { | |
31 | int base; | |
32 | ||
33 | public: | |
34 | Power(int base) : base(base) {} | |
35 | int calculate(unsigned n) { | |
36 | return repeat(1, ^(int v) { return v * base; }, n); | |
37 | } | |
38 | }; | |
39 | ||
40 | int test() { | |
41 | return Power(2).calculate(10); | |
42 | } | |
43 | } | |
44 | ||
45 | // rdar: // 8382559 | |
46 | namespace radar8382559 { | |
47 | void func(bool& outHasProperty); | |
48 | ||
49 | int test3() { | |
50 | __attribute__((__blocks__(byref))) bool hasProperty = false; | |
51 | bool has = true; | |
52 | ||
53 | bool (^b)() = ^ { | |
54 | func(hasProperty); | |
55 | if (hasProperty) | |
56 | hasProperty = 0; | |
57 | if (has) | |
58 | hasProperty = 1; | |
59 | return hasProperty; | |
60 | }; | |
61 | func(hasProperty); | |
62 | func(has); | |
63 | b(); | |
64 | if (hasProperty) | |
65 | hasProperty = 1; | |
66 | if (has) | |
67 | has = 2; | |
68 | return hasProperty = 1; | |
69 | } | |
70 | } |