llvm-project/clang/test/Sema/attr-deprecated.c

132 lines
4.9 KiB
C

// RUN: %clang_cc1 %s -verify -fsyntax-only
int f() __attribute__((deprecated)); // expected-note 2 {{'f' has been explicitly marked deprecated here}}
void g() __attribute__((deprecated));
void g(); // expected-note {{'g' has been explicitly marked deprecated here}}
extern int var __attribute__((deprecated)); // expected-note {{'var' has been explicitly marked deprecated here}}
int a() {
int (*ptr)() = f; // expected-warning {{'f' is deprecated}}
f(); // expected-warning {{'f' is deprecated}}
// test if attributes propagate to functions
g(); // expected-warning {{'g' is deprecated}}
return var; // expected-warning {{'var' is deprecated}}
}
// test if attributes propagate to variables
extern int var; // expected-note {{'var' has been explicitly marked deprecated here}}
int w() {
return var; // expected-warning {{'var' is deprecated}}
}
int old_fn() __attribute__ ((deprecated));
int old_fn(); // expected-note {{'old_fn' has been explicitly marked deprecated here}}
int (*fn_ptr)() = old_fn; // expected-warning {{'old_fn' is deprecated}}
int old_fn() {
return old_fn()+1; // no warning, deprecated functions can use deprecated symbols.
}
struct foo {
int x __attribute__((deprecated)); // expected-note 3 {{'x' has been explicitly marked deprecated here}}
};
void test1(struct foo *F) {
++F->x; // expected-warning {{'x' is deprecated}}
struct foo f1 = { .x = 17 }; // expected-warning {{'x' is deprecated}}
struct foo f2 = { 17 }; // expected-warning {{'x' is deprecated}}
}
typedef struct foo foo_dep __attribute__((deprecated)); // expected-note 12 {{'foo_dep' has been explicitly marked deprecated here}}
foo_dep *test2; // expected-warning {{'foo_dep' is deprecated}}
struct __attribute__((deprecated,
invalid_attribute)) bar_dep ; // expected-warning {{unknown attribute 'invalid_attribute' ignored}} expected-note 2 {{'bar_dep' has been explicitly marked deprecated here}}
struct bar_dep *test3; // expected-warning {{'bar_dep' is deprecated}}
// These should not warn because the actually declaration itself is deprecated.
// rdar://6756623
foo_dep *test4 __attribute__((deprecated));
struct bar_dep *test5 __attribute__((deprecated));
typedef foo_dep test6(struct bar_dep*); // expected-warning {{'foo_dep' is deprecated}} \
// expected-warning {{'bar_dep' is deprecated}}
typedef foo_dep test7(struct bar_dep*) __attribute__((deprecated));
int test8(char *p) {
p += sizeof(foo_dep); // expected-warning {{'foo_dep' is deprecated}}
foo_dep *ptr; // expected-warning {{'foo_dep' is deprecated}}
ptr = (foo_dep*) p; // expected-warning {{'foo_dep' is deprecated}}
int func(foo_dep *foo); // expected-warning {{'foo_dep' is deprecated}}
return func(ptr);
}
foo_dep *test9(void) __attribute__((deprecated));
foo_dep *test9(void) {
void* myalloc(unsigned long);
foo_dep *ptr
= (foo_dep*)
myalloc(sizeof(foo_dep));
return ptr;
}
void test10(void) __attribute__((deprecated));
void test10(void) {
if (sizeof(foo_dep) == sizeof(void*)) {
}
foo_dep *localfunc(void);
foo_dep localvar;
}
char test11[sizeof(foo_dep)] __attribute__((deprecated));
char test12[sizeof(foo_dep)]; // expected-warning {{'foo_dep' is deprecated}}
int test13(foo_dep *foo) __attribute__((deprecated));
int test14(foo_dep *foo); // expected-warning {{'foo_dep' is deprecated}}
unsigned long test15 = sizeof(foo_dep); // expected-warning {{'foo_dep' is deprecated}}
unsigned long test16 __attribute__((deprecated))
= sizeof(foo_dep);
foo_dep test17, // expected-warning {{'foo_dep' is deprecated}}
test18 __attribute__((deprecated)),
test19;
// rdar://problem/8518751
enum __attribute__((deprecated)) Test20 { // expected-note {{'Test20' has been explicitly marked deprecated here}}
test20_a __attribute__((deprecated)), // expected-note {{'test20_a' has been explicitly marked deprecated here}}
test20_b // expected-note {{'test20_b' has been explicitly marked deprecated here}}
};
void test20() {
enum Test20 f; // expected-warning {{'Test20' is deprecated}}
f = test20_a; // expected-warning {{'test20_a' is deprecated}}
f = test20_b; // expected-warning {{'test20_b' is deprecated}}
}
char test21[__has_feature(attribute_deprecated_with_message) ? 1 : -1];
struct test22 {
foo_dep a __attribute((deprecated));
foo_dep b; // expected-warning {{'foo_dep' is deprecated}}
foo_dep c, d __attribute((deprecated)); // expected-warning {{'foo_dep' is deprecated}}
__attribute((deprecated)) foo_dep e, f;
};
typedef int test23_ty __attribute((deprecated));
// Redefining a typedef is a C11 feature.
#if __STDC_VERSION__ <= 199901L
// expected-note@-3 {{'test23_ty' has been explicitly marked deprecated here}}
#else
typedef int test23_ty; // expected-note {{'test23_ty' has been explicitly marked deprecated here}}
#endif
test23_ty test23_v; // expected-warning {{'test23_ty' is deprecated}}