llvm-project/clang/test/SemaObjC/idiomatic-parentheses.m

54 lines
1.1 KiB
Objective-C

// RUN: %clang_cc1 -fsyntax-only -verify -Wparentheses -Wno-objc-root-class %s
// Don't warn about some common ObjC idioms unless we have -Widiomatic-parentheses on.
// <rdar://problem/7382435>
@interface Object
{
unsigned uid;
}
- (id) init;
- (id) initWithInt: (int) i;
- (id) myInit __attribute__((objc_method_family(init)));
- (void) iterate: (id) coll;
- (id) nextObject;
@property unsigned uid;
@end
@implementation Object
@synthesize uid;
- (id) init {
if (self = [self init]) {
}
return self;
}
- (id) initWithInt: (int) i {
if (self = [self initWithInt: i]) {
}
// rdar://11066598
if (self.uid = 100) { // expected-warning {{using the result of an assignment as a condition without parentheses}} \
// expected-note {{place parentheses around the assignment to silence this warning}} \
// expected-note {{use '==' to turn this assignment into an equality comparison}}
// ...
}
return self;
}
- (id) myInit {
if (self = [self myInit]) {
}
return self;
}
- (void) iterate: (id) coll {
id cur;
while (cur = [coll nextObject]) {
}
}
- (id) nextObject {
return self;
}
@end