Daniel Dunbar | a572887 | 2009-12-15 20:14:24 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 %s -fsyntax-only -verify -fblocks |
Steve Naroff | 1f3b0d5 | 2008-09-10 18:33:00 +0000 | [diff] [blame] | 2 | |
| 3 | void take(void*); |
| 4 | |
| 5 | void test() { |
| 6 | take(^(int x){}); |
| 7 | take(^(int x, int y){}); |
| 8 | take(^(int x, int y){}); |
Chris Lattner | d84aac1 | 2010-02-22 00:40:25 +0000 | [diff] [blame] | 9 | take(^(int x, // expected-note {{previous declaration is here}} |
| 10 | int x){}); // expected-error {{redefinition of parameter 'x'}} |
Steve Naroff | 1f3b0d5 | 2008-09-10 18:33:00 +0000 | [diff] [blame] | 11 | |
| 12 | |
| 13 | take(^(int x) { return x+1; }); |
| 14 | |
| 15 | int (^CP)(int) = ^(int x) { return x*x; }; |
| 16 | take(CP); |
| 17 | |
| 18 | int arg; |
| 19 | ^{return 1;}(); |
| 20 | ^{return 2;}(arg); // expected-error {{too many arguments to block call}} |
| 21 | ^(void){return 3;}(1); // expected-error {{too many arguments to block call}} |
Eli Friedman | 687abff | 2009-06-08 04:24:21 +0000 | [diff] [blame] | 22 | ^(){return 4;}(arg); // expected-error {{too many arguments to block call}} |
Steve Naroff | 1f3b0d5 | 2008-09-10 18:33:00 +0000 | [diff] [blame] | 23 | ^(int x, ...){return 5;}(arg, arg); // Explicit varargs, ok. |
| 24 | } |
| 25 | |
John McCall | 13591ed | 2009-07-25 04:36:53 +0000 | [diff] [blame] | 26 | int main(int argc, char** argv) { |
Steve Naroff | ae530cf | 2008-09-28 14:02:55 +0000 | [diff] [blame] | 27 | ^(int argCount) { |
| 28 | argCount = 3; |
| 29 | }(argc); |
| 30 | } |
Fariborz Jahanian | 9a66c30 | 2010-02-12 21:53:14 +0000 | [diff] [blame] | 31 | |
| 32 | // radar 7528255 |
| 33 | void f0() { |
| 34 | ^(int, double d, char) {}(1, 1.34, 'a'); // expected-error {{parameter name omitted}} \ |
| 35 | // expected-error {{parameter name omitted}} |
| 36 | } |
John McCall | da26379 | 2011-02-08 01:59:10 +0000 | [diff] [blame] | 37 | |
| 38 | // rdar://problem/8962770 |
| 39 | void test4() { |
| 40 | int (^f)() = ^((x)) { }; // expected-error {{expected ')'}} expected-warning {{type specifier missing}} expected-note {{to match this}} |
| 41 | } |
| 42 | |
John McCall | 4f38f41 | 2011-03-22 23:15:50 +0000 | [diff] [blame] | 43 | // rdar://problem/9170609 |
| 44 | void test5_helper(void (^)(int, int[*])); |
| 45 | void test5(void) { |
| 46 | test5_helper(^(int n, int array[n]) {}); |
| 47 | } |