59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
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// RUN: %clang_cc1 %s -fsyntax-only -verify -fblocks
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void take(void*);
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void test() {
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take(^(int x){});
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take(^(int x, int y){});
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take(^(int x, int y){});
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take(^(int x, // expected-note {{previous declaration is here}}
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int x){}); // expected-error {{redefinition of parameter 'x'}}
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take(^(int x) { return x+1; });
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int (^CP)(int) = ^(int x) { return x*x; };
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take(CP);
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int arg;
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^{return 1;}();
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^{return 2;}(arg); // expected-error {{too many arguments to block call}}
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^(void){return 3;}(1); // expected-error {{too many arguments to block call}}
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^(){return 4;}(arg); // expected-error {{too many arguments to block call}}
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^(int x, ...){return 5;}(arg, arg); // Explicit varargs, ok.
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}
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int main(int argc, char** argv) {
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^(int argCount) {
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argCount = 3;
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}(argc);
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}
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// radar 7528255
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void f0() {
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^(int, double d, char) {}(1, 1.34, 'a'); // expected-warning {{omitting the parameter name in a function definition is a C2x extension}} \
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// expected-warning {{omitting the parameter name in a function definition is a C2x extension}}
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}
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// rdar://problem/8962770
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void test4() {
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int (^f)() = ^((x)) { }; // expected-warning {{type specifier missing}} expected-error {{type-id cannot have a name}}
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}
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// rdar://problem/9170609
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void test5_helper(void (^)(int, int[*]));
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void test5(void) {
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test5_helper(^(int n, int array[n]) {});
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}
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// Reduced from a problem on platforms where va_list is an array.
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struct tag {
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int x;
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};
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typedef struct tag array_ty[1];
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void test6(void) {
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void (^block)(array_ty) = ^(array_ty arr) { };
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array_ty arr;
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block(arr);
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}
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