| 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 | |