tree-sitter-objc/examples/SemaObjC/attr-called-once.m

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2022-04-16 15:58:26 +00:00
// RUN: %clang_cc1 -verify -fsyntax-only -fobjc-arc -fblocks %s
#define CALLED_ONCE __attribute__((called_once))
void test1(int x CALLED_ONCE); // expected-error{{'called_once' attribute only applies to function-like parameters}}
void test2(double x CALLED_ONCE); // expected-error{{'called_once' attribute only applies to function-like parameters}}
void test3(void (*foo)() CALLED_ONCE); // no-error
void test4(int (^foo)(int) CALLED_ONCE); // no-error
void test5(void (*foo)() __attribute__((called_once(1))));
// expected-error@-1{{'called_once' attribute takes no arguments}}
void test6(void (*foo)() __attribute__((called_once("str1", "str2"))));
// expected-error@-1{{'called_once' attribute takes no arguments}}
CALLED_ONCE void test7(); // expected-warning{{'called_once' attribute only applies to parameters}}
void test8() {
void (*foo)() CALLED_ONCE; // expected-warning{{'called_once' attribute only applies to parameters}}
foo();
}