/* Test for situations in which protocol conformance information
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/* Test for situations in which protocol conformance information
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may be lost while casting. */
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may be lost while casting. */
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/* Author: Ziemowit Laski <zlaski@apple.com>. */
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/* Author: Ziemowit Laski <zlaski@apple.com>. */
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/* { dg-do compile } */
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/* { dg-do compile } */
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/* One-line substitute for objc/objc.h */
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/* One-line substitute for objc/objc.h */
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typedef struct objc_object { struct objc_class *class_pointer; } *id;
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typedef struct objc_object { struct objc_class *class_pointer; } *id;
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@protocol Proto
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@protocol Proto
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- (long)someValue;
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- (long)someValue;
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@end
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@end
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@interface Obj
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@interface Obj
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- (long)anotherValue;
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- (long)anotherValue;
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@end
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@end
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long foo(void) {
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long foo(void) {
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long receiver = 2;
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long receiver = 2;
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Obj *objrcvr;
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Obj *objrcvr;
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Obj <Proto> *objrcvr2;
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Obj <Proto> *objrcvr2;
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/* NB: Since 'receiver' is an invalid ObjC message receiver, the compiler
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/* NB: Since 'receiver' is an invalid ObjC message receiver, the compiler
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should warn but then search for methods as if we were messaging 'id'. */
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should warn but then search for methods as if we were messaging 'id'. */
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receiver += [receiver someValue]; /* { dg-warning "invalid receiver type .long int." } */
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receiver += [receiver someValue]; /* { dg-warning "invalid receiver type .long int." } */
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receiver += [receiver anotherValue]; /* { dg-warning "invalid receiver type .long int." } */
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receiver += [receiver anotherValue]; /* { dg-warning "invalid receiver type .long int." } */
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receiver += [(Obj *)receiver someValue]; /* { dg-warning ".Obj. may not respond to .\\-someValue." } */
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receiver += [(Obj *)receiver someValue]; /* { dg-warning ".Obj. may not respond to .\\-someValue." } */
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/* { dg-warning "assignment makes integer from pointer without a cast" "" { target *-*-* } 28 } */
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/* { dg-warning "assignment makes integer from pointer without a cast" "" { target *-*-* } 28 } */
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receiver += [(Obj *)receiver anotherValue];
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receiver += [(Obj *)receiver anotherValue];
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receiver += [(Obj <Proto> *)receiver someValue];
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receiver += [(Obj <Proto> *)receiver someValue];
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receiver += [(Obj <Proto> *)receiver anotherValue];
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receiver += [(Obj <Proto> *)receiver anotherValue];
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receiver += [objrcvr someValue]; /* { dg-warning ".Obj. may not respond to .\\-someValue." } */
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receiver += [objrcvr someValue]; /* { dg-warning ".Obj. may not respond to .\\-someValue." } */
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/* { dg-warning "assignment makes integer from pointer without a cast" "" { target *-*-* } 34 } */
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/* { dg-warning "assignment makes integer from pointer without a cast" "" { target *-*-* } 34 } */
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receiver += [objrcvr anotherValue];
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receiver += [objrcvr anotherValue];
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receiver += [(Obj <Proto> *)objrcvr someValue];
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receiver += [(Obj <Proto> *)objrcvr someValue];
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receiver += [(Obj <Proto> *)objrcvr anotherValue];
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receiver += [(Obj <Proto> *)objrcvr anotherValue];
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receiver += [objrcvr2 someValue];
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receiver += [objrcvr2 someValue];
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receiver += [objrcvr2 anotherValue];
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receiver += [objrcvr2 anotherValue];
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receiver += [(Obj *)objrcvr2 someValue]; /* { dg-warning ".Obj. may not respond to .\\-someValue." } */
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receiver += [(Obj *)objrcvr2 someValue]; /* { dg-warning ".Obj. may not respond to .\\-someValue." } */
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/* { dg-warning "assignment makes integer from pointer without a cast" "" { target *-*-* } 42 } */
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/* { dg-warning "assignment makes integer from pointer without a cast" "" { target *-*-* } 42 } */
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receiver += [(Obj *)objrcvr2 anotherValue];
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receiver += [(Obj *)objrcvr2 anotherValue];
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return receiver;
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return receiver;
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}
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}
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/* { dg-warning "Messages without a matching method signature" "" { target *-*-* } 0 } */
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/* { dg-warning "Messages without a matching method signature" "" { target *-*-* } 0 } */
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/* { dg-warning "will be assumed to return .id. and accept" "" { target *-*-* } 0 } */
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/* { dg-warning "will be assumed to return .id. and accept" "" { target *-*-* } 0 } */
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/* { dg-warning ".\.\.\.. as arguments" "" { target *-*-* } 0 } */
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/* { dg-warning ".\.\.\.. as arguments" "" { target *-*-* } 0 } */
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