1 | // RUN: %clang_cc1 -fsyntax-only -triple x86_64-apple-macosx10.9 -verify %s |
2 | |
3 | #define BOXABLE __attribute__((objc_boxable)) |
4 | |
5 | typedef struct BOXABLE _NSPoint { |
6 | int dummy; |
7 | } NSPoint; |
8 | |
9 | typedef struct BOXABLE _NSSize { |
10 | int dummy; |
11 | } NSSize; |
12 | |
13 | typedef struct BOXABLE _NSRect { |
14 | int dummy; |
15 | } NSRect; |
16 | |
17 | typedef struct BOXABLE _CGPoint { |
18 | int dummy; |
19 | } CGPoint; |
20 | |
21 | typedef struct BOXABLE _CGSize { |
22 | int dummy; |
23 | } CGSize; |
24 | |
25 | typedef struct BOXABLE _CGRect { |
26 | int dummy; |
27 | } CGRect; |
28 | |
29 | typedef struct BOXABLE _NSRange { |
30 | int dummy; |
31 | } NSRange; |
32 | |
33 | typedef struct BOXABLE _NSEdgeInsets { |
34 | int dummy; |
35 | } NSEdgeInsets; |
36 | |
37 | typedef struct BOXABLE _NSEdgeInsets NSEdgeInsets; |
38 | |
39 | typedef struct _SomeStruct { |
40 | double d; |
41 | } SomeStruct; |
42 | |
43 | struct BOXABLE NonTriviallyCopyable { |
44 | double d; |
45 | NonTriviallyCopyable() {} |
46 | NonTriviallyCopyable(const NonTriviallyCopyable &obj) {} |
47 | }; |
48 | |
49 | void checkNSValueDiagnostic() { |
50 | NSRect rect; |
51 | id value = @(rect); // expected-error{{definition of class NSValue must be available to use Objective-C boxed expressions}} |
52 | } |
53 | |
54 | @interface NSValue |
55 | + (NSValue *)valueWithBytes:(const void *)value objCType:(const char *)type; |
56 | @end |
57 | |
58 | int main() { |
59 | NSPoint ns_point; |
60 | id ns_point_value = @(ns_point); |
61 | |
62 | NSSize ns_size; |
63 | id ns_size_value = @(ns_size); |
64 | |
65 | NSRect ns_rect; |
66 | id ns_rect_value = @(ns_rect); |
67 | |
68 | CGPoint cg_point; |
69 | id cg_point_value = @(cg_point); |
70 | |
71 | CGSize cg_size; |
72 | id cg_size_value = @(cg_size); |
73 | |
74 | CGRect cg_rect; |
75 | id cg_rect_value = @(cg_rect); |
76 | |
77 | NSRange ns_range; |
78 | id ns_range_value = @(ns_range); |
79 | |
80 | NSEdgeInsets edge_insets; |
81 | id edge_insets_object = @(edge_insets); |
82 | |
83 | SomeStruct s; |
84 | id err = @(s); // expected-error{{illegal type 'SomeStruct' (aka '_SomeStruct') used in a boxed expression}} |
85 | |
86 | NonTriviallyCopyable ntc; |
87 | id ntcErr = @(ntc); // expected-error{{non-trivially copyable type 'NonTriviallyCopyable' cannot be used in a boxed expression}} |
88 | } |
89 | |
90 | CGRect getRect() { |
91 | CGRect r; |
92 | return r; |
93 | } |
94 | |
95 | SomeStruct getSomeStruct() { |
96 | SomeStruct s; |
97 | return s; |
98 | } |
99 | |
100 | void rvalue() { |
101 | id rv_rect = @(getRect()); |
102 | id rv_some_struct = @(getSomeStruct()); // expected-error {{illegal type 'SomeStruct' (aka '_SomeStruct') used in a boxed expression}} |
103 | } |
104 | |
105 | template <class T> id box(T value) { return @(value); } // expected-error{{non-trivially copyable type 'NonTriviallyCopyable' cannot be used in a boxed expression}} |
106 | void test_template_1(NSRect rect, NonTriviallyCopyable ntc) { |
107 | id x = box(rect); |
108 | id y = box(ntc); // expected-note{{in instantiation of function template specialization 'box<NonTriviallyCopyable>' requested here}} |
109 | } |
110 | |
111 | template <unsigned i> id boxRect(NSRect rect) { return @(rect); } |
112 | template <unsigned i> id boxNTC(NonTriviallyCopyable ntc) { return @(ntc); } // expected-error{{non-trivially copyable type 'NonTriviallyCopyable' cannot be used in a boxed expression}} |
113 | void test_template_2(NSRect rect, NonTriviallyCopyable ntc) { |
114 | id x = boxRect<0>(rect); |
115 | id y = boxNTC<0>(ntc); |
116 | } |
117 | |
118 | |
119 | |