blob: 0875b66e2132e6c1b5fb75c59c797cfaaaf5c4c8 [file] [log] [blame]
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
@interface X {}
+ (X*) alloc;
- (X*) init;
- (int) getSize;
- (void) setSize: (int) size;
- (X*) getSelf;
@end
void f(X *noreturn) {
// An array size which is computed by a message send is OK.
int a[ [noreturn getSize] ];
// ... but is interpreted as an attribute where possible.
int b[ [noreturn] ]; // expected-warning {{'noreturn' only applies to function types}}
int c[ [noreturn getSize] + 1 ];
// An array size which is computed by a lambda is not OK.
int d[ [noreturn] { return 3; } () ]; // expected-error {{expected ']'}} expected-warning {{'noreturn' only applies}}
// A message send which contains a message send is OK.
[ [ X alloc ] init ];
[ [ int(), noreturn getSelf ] getSize ]; // expected-warning {{unused}}
// A message send which contains a lambda is OK.
[ [noreturn] { return noreturn; } () setSize: 4 ];
[ [bitand] { return noreturn; } () setSize: 5 ];
[[[[] { return [ X alloc ]; } () init] getSelf] getSize];
// An attribute is OK.
[[]];
[[int(), noreturn]];
[[class, test(foo 'x' bar),,,]];
[[bitand, noreturn]];
[[noreturn]]int(e)();
// A function taking a noreturn function.
int(f)([[noreturn]] int());
f(e);
// Variables initialized by a message send.
int(g)([[noreturn getSelf] getSize]);
int(h)([[noreturn]{return noreturn;}() getSize]);
int i = g + h;
}
template<typename...Ts> void f(Ts ...x) {
[[test::foo(bar, baz)...]];
[[used(x)...]];
[[x...] { return [ X alloc ]; }() init];
}