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.
57 lines
1.4 KiB
57 lines
1.4 KiB
4 months ago
|
// RUN: %clang_cc1 -fsyntax-only -Wuninitialized -fsyntax-only -fblocks %s -verify
|
||
|
|
|
||
|
|
#include <stdarg.h>
|
||
|
|
|
||
|
|
@interface NSObject {} @end
|
||
|
|
@class NSString;
|
||
|
|
|
||
|
|
@interface NSException
|
||
|
|
+ (void)raise:(NSString *)name format:(NSString *)format, ...;
|
||
|
|
+ (void)raise:(NSString *)name format:(NSString *)format arguments:(va_list)argList;
|
||
|
|
- (void)raise;
|
||
|
|
@end
|
||
|
|
|
||
|
|
// Duplicated from uninit-variables.c.
|
||
|
|
// Test just to ensure the analysis is working.
|
||
|
|
int test1() {
|
||
|
|
int x; // expected-note{{initialize the variable 'x' to silence this warning}}
|
||
|
|
return x; // expected-warning{{variable 'x' is uninitialized when used here}}
|
||
|
|
}
|
||
|
|
|
||
|
|
// Test ObjC fast enumeration.
|
||
|
|
void test2() {
|
||
|
|
id collection = 0;
|
||
|
|
for (id obj in collection) {
|
||
|
|
if (0 == obj) // no-warning
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void test3() {
|
||
|
|
id collection = 0;
|
||
|
|
id obj;
|
||
|
|
for (obj in collection) { // no-warning
|
||
|
|
if (0 == obj) // no-warning
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
int test_abort_on_exceptions(int y, NSException *e, NSString *s, int *z, ...) {
|
||
|
|
int x; // expected-note {{initialize the variable 'x' to silence this warning}}
|
||
|
|
if (y == 1) {
|
||
|
|
va_list alist;
|
||
|
|
va_start(alist, z);
|
||
|
|
[NSException raise:@"Blah" format:@"Blah %@" arguments:alist];
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
else if (y == 2) {
|
||
|
|
[NSException raise:@"Blah" format:s];
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
else if (y == 3) {
|
||
|
|
[e raise];
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
return x; // expected-warning {{variable 'x' is uninitialized when used here}}
|
||
|
|
}
|