You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
40 lines
864 B
40 lines
864 B
// RUN: %clang_analyze_cc1 -std=c++14 -analyzer-checker=optin.osx.OSObjectCStyleCast %s -verify
|
|
#include "os_object_base.h"
|
|
|
|
struct OSArray : public OSObject {
|
|
unsigned getCount();
|
|
};
|
|
|
|
struct A {
|
|
int x;
|
|
};
|
|
struct B : public A {
|
|
unsigned getCount();
|
|
};
|
|
|
|
unsigned warn_on_explicit_downcast(OSObject * obj) {
|
|
OSArray *a = (OSArray *) obj; // expected-warning{{C-style cast of OSObject. Use OSDynamicCast instead}}
|
|
return a->getCount();
|
|
}
|
|
|
|
void no_warn_on_upcast(OSArray *arr) {
|
|
OSObject *obj = (OSObject *) arr;
|
|
obj->retain();
|
|
obj->release();
|
|
}
|
|
|
|
unsigned no_warn_on_dynamic_cast(OSObject *obj) {
|
|
OSArray *a = OSDynamicCast(OSArray, obj);
|
|
return a->getCount();
|
|
}
|
|
|
|
__SIZE_TYPE__ no_warn_on_primitive_conversion(OSArray *arr) {
|
|
return (__SIZE_TYPE__) arr;
|
|
}
|
|
|
|
unsigned no_warn_on_other_type_cast(A *a) {
|
|
B *b = (B *) a;
|
|
return b->getCount();
|
|
}
|
|
|