// RUN: %clang_cc1 -fsyntax-only -triple x86_64-apple-macosx10.9 -verify %s #define BOXABLE __attribute__((objc_boxable)) typedef struct BOXABLE _NSPoint { int dummy; } NSPoint; typedef struct BOXABLE _NSSize { int dummy; } NSSize; typedef struct BOXABLE _NSRect { int dummy; } NSRect; typedef struct BOXABLE _CGPoint { int dummy; } CGPoint; typedef struct BOXABLE _CGSize { int dummy; } CGSize; typedef struct BOXABLE _CGRect { int dummy; } CGRect; typedef struct BOXABLE _NSRange { int dummy; } NSRange; typedef struct BOXABLE _NSEdgeInsets { int dummy; } NSEdgeInsets; typedef struct BOXABLE _NSEdgeInsets NSEdgeInsets; typedef struct _SomeStruct { double d; } SomeStruct; struct BOXABLE NonTriviallyCopyable { double d; NonTriviallyCopyable() {} NonTriviallyCopyable(const NonTriviallyCopyable &obj) {} }; void checkNSValueDiagnostic() { NSRect rect; id value = @(rect); // expected-error{{definition of class NSValue must be available to use Objective-C boxed expressions}} } @interface NSValue + (NSValue *)valueWithBytes:(const void *)value objCType:(const char *)type; @end int main() { NSPoint ns_point; id ns_point_value = @(ns_point); NSSize ns_size; id ns_size_value = @(ns_size); NSRect ns_rect; id ns_rect_value = @(ns_rect); CGPoint cg_point; id cg_point_value = @(cg_point); CGSize cg_size; id cg_size_value = @(cg_size); CGRect cg_rect; id cg_rect_value = @(cg_rect); NSRange ns_range; id ns_range_value = @(ns_range); NSEdgeInsets edge_insets; id edge_insets_object = @(edge_insets); SomeStruct s; id err = @(s); // expected-error{{illegal type 'SomeStruct' (aka '_SomeStruct') used in a boxed expression}} NonTriviallyCopyable ntc; id ntcErr = @(ntc); // expected-error{{non-trivially copyable type 'NonTriviallyCopyable' cannot be used in a boxed expression}} } CGRect getRect() { CGRect r; return r; } SomeStruct getSomeStruct() { SomeStruct s; return s; } void rvalue() { id rv_rect = @(getRect()); id rv_some_struct = @(getSomeStruct()); // expected-error {{illegal type 'SomeStruct' (aka '_SomeStruct') used in a boxed expression}} } template id box(T value) { return @(value); } // expected-error{{non-trivially copyable type 'NonTriviallyCopyable' cannot be used in a boxed expression}} void test_template_1(NSRect rect, NonTriviallyCopyable ntc) { id x = box(rect); id y = box(ntc); // expected-note{{in instantiation of function template specialization 'box' requested here}} } template id boxRect(NSRect rect) { return @(rect); } template id boxNTC(NonTriviallyCopyable ntc) { return @(ntc); } // expected-error{{non-trivially copyable type 'NonTriviallyCopyable' cannot be used in a boxed expression}} void test_template_2(NSRect rect, NonTriviallyCopyable ntc) { id x = boxRect<0>(rect); id y = boxNTC<0>(ntc); }