Files
clang-p2996/clang/test/SemaObjC/method-bad-param.m
Jordan Rose 3e0ec58c09 For varargs, diagnose passing ObjC objects by value like other non-POD types.
While we still want to consider this a hard error (non-POD variadic args are
normally a DefaultError warning), delaying the diagnostic allows us to give
better error messages, which also match the usual non-POD errors more closely.

In addition, this change improves the diagnostic messages for format string
argument type mismatches by passing down the type of the callee, so we can
say "variadic method" or "variadic function" appropriately.

<rdar://problem/11825593>

llvm-svn: 160517
2012-07-19 18:10:23 +00:00

45 lines
1.3 KiB
Objective-C

// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
@interface foo
@end
@implementation foo
@end
@interface bar
-(void) my_method:(foo) my_param; // expected-error {{interface type 'foo' cannot be passed by value; did you forget * in 'foo'}}
- (foo)cccccc:(long)ddddd; // expected-error {{interface type 'foo' cannot be returned by value; did you forget * in 'foo'}}
@end
@implementation bar
-(void) my_method:(foo) my_param // expected-error {{interface type 'foo' cannot be passed by value; did you forget * in 'foo'}}
{
}
- (foo)cccccc:(long)ddddd // expected-error {{interface type 'foo' cannot be returned by value; did you forget * in 'foo'}}
{
}
@end
void somefunc(foo x) {} // expected-error {{interface type 'foo' cannot be passed by value; did you forget * in 'foo'}}
foo somefunc2() {} // expected-error {{interface type 'foo' cannot be returned by value; did you forget * in 'foo'}}
// rdar://6780761
void f0(foo *a0) {
extern void g0(int x, ...);
g0(1, *(foo*)a0); // expected-error {{cannot pass object with interface type 'foo' by value through variadic function}}
}
// rdar://8421082
enum bogus; // expected-note {{forward declaration of 'enum bogus'}}
@interface fee {
}
- (void)crashMe:(enum bogus)p;
@end
@implementation fee
- (void)crashMe:(enum bogus)p { // expected-error {{variable has incomplete type 'enum bogus'}}
}
@end