minix/external/bsd/llvm/dist/clang/test/Sema/block-args.c
Lionel Sambuc f4a2713ac8 Importing netbsd clang -- pristine
Change-Id: Ia40e9ffdf29b5dab2f122f673ff6802a58bc690f
2014-07-28 17:05:57 +02:00

58 lines
1.5 KiB
C

// RUN: %clang_cc1 %s -fsyntax-only -verify -fblocks
void take(void*);
void test() {
take(^(int x){});
take(^(int x, int y){});
take(^(int x, int y){});
take(^(int x, // expected-note {{previous declaration is here}}
int x){}); // expected-error {{redefinition of parameter 'x'}}
take(^(int x) { return x+1; });
int (^CP)(int) = ^(int x) { return x*x; };
take(CP);
int arg;
^{return 1;}();
^{return 2;}(arg); // expected-error {{too many arguments to block call}}
^(void){return 3;}(1); // expected-error {{too many arguments to block call}}
^(){return 4;}(arg); // expected-error {{too many arguments to block call}}
^(int x, ...){return 5;}(arg, arg); // Explicit varargs, ok.
}
int main(int argc, char** argv) {
^(int argCount) {
argCount = 3;
}(argc);
}
// radar 7528255
void f0() {
^(int, double d, char) {}(1, 1.34, 'a'); // expected-error {{parameter name omitted}} \
// expected-error {{parameter name omitted}}
}
// rdar://problem/8962770
void test4() {
int (^f)() = ^((x)) { }; // expected-error {{expected ')'}} expected-warning {{type specifier missing}} expected-note {{to match this}}
}
// rdar://problem/9170609
void test5_helper(void (^)(int, int[*]));
void test5(void) {
test5_helper(^(int n, int array[n]) {});
}
// Reduced from a problem on platforms where va_list is an array.
struct tag {
int x;
};
typedef struct tag array_ty[1];
void test6(void) {
void (^block)(array_ty) = ^(array_ty arr) { };
array_ty arr;
block(arr);
}