llvm-project/clang/test/Sema/block-args.c

30 lines
737 B
C

// RUN: clang-cc %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, 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) {
^(int argCount) {
argCount = 3;
}(argc);
}