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|
/* Check Class <protocol> types */
/* Author: David Ayers <d.ayers@inode.at> */
/* { dg-do compile } */
#include <objc/objc.h>
#include "../objc-obj-c++-shared/runtime.h"
@protocol MyProto1
+(void)doItClass1;
-(void)doItInstance1;
@end
@protocol MyProto2
+(void)doItClass2;
-(void)doItInstance2;
@end
@interface MyClass1 <MyProto1>
{
Class isa;
}
@end
@implementation MyClass1
+(void)doItClass1{}
-(void)doItInstance1{}
@end
@interface MyClass2 : MyClass1 <MyProto2>
@end
@implementation MyClass2
+(void)doItClass2{}
-(void)doItInstance2{}
@end
@interface MyClass3
{
Class isa;
}
@end
@interface MyClass4 : MyClass3 <MyProto1>
@end
/*----------------------------------------*/
Class cls = 0;
Class <MyProto1> clsP1 = 0;
Class <MyProto2> clsP2 = 0;
void
testSimple(void)
{
[cls doItClass1];
[cls doItInstance1];
[cls doItClass2];
[cls doItInstance2];
[clsP1 doItClass1];
[clsP1 doItInstance1]; /* { dg-warning "instead of" } */
[clsP1 doItClass2]; /* { dg-warning "not found in protocol" } */
[clsP1 doItInstance2]; /* { dg-warning "not found in protocol" } */
[clsP2 doItClass1]; /* { dg-warning "not found in protocol" } */
[clsP2 doItInstance1]; /* { dg-warning "not found in protocol" } */
[clsP2 doItClass2];
[clsP2 doItInstance2]; /* { dg-warning "instead of" } */
[MyClass1 doItClass1];
[MyClass1 doItInstance1];
[MyClass1 doItClass2]; /* { dg-warning "may not respond to" } */
[MyClass1 doItInstance2]; /* { dg-warning "may not respond to" } */
[MyClass2 doItClass1];
[MyClass2 doItInstance1];
[MyClass2 doItClass2];
[MyClass2 doItInstance2]; /* { dg-warning "may not respond to" } */
[MyClass3 doItClass1]; /* { dg-warning "may not respond to" } */
[MyClass3 doItInstance1]; /* { dg-warning "may not respond to" } */
[MyClass4 doItClass1];
[MyClass4 doItInstance1]; /* { dg-warning "may not respond to" } */
}
/*----------------------------------------*/
/* Protocols declared by categories */
@protocol MyProto3
+(void)doItClass3;
-(void)doItInstance3;
@end
@protocol MyProto4
+(void)doItClass4;
-(void)doItInstance4;
@end
@interface MyClass1 (Category1) <MyProto3>
@end
@interface MyClass2 (Category2) <MyProto4>
@end
void
testCategory(void)
{
[cls doItClass3];
[cls doItInstance3];
[cls doItClass4];
[cls doItInstance4];
[MyClass1 doItClass3];
[MyClass1 doItInstance3];
[MyClass1 doItClass4]; /* { dg-warning "may not respond" } */
[MyClass1 doItInstance4]; /* { dg-warning "may not respond" } */
[MyClass2 doItClass3];
[MyClass2 doItInstance3];
[MyClass2 doItClass4];
[MyClass2 doItInstance4]; /* { dg-warning "may not respond" } */
}
/*----------------------------------------*/
/* Inherited protocols declared by categories */
@protocol MyProto5 <MyProto1>
+(void)doItClass5;
-(void)doItInstance5;
@end
@protocol MyProto6 <MyProto2>
+(void)doItClass6;
-(void)doItInstance6;
@end
@interface MyClass1 (Category3) <MyProto5>
@end
@interface MyClass2 (Category4) <MyProto6>
@end
Class <MyProto5> clsP5 = 0;
Class <MyProto6> clsP6 = 0;
void
testCategoryInherited(void)
{
[cls doItClass5];
[cls doItInstance5];
[cls doItClass6];
[cls doItInstance6];
[clsP5 doItClass1];
[clsP5 doItInstance1]; /* { dg-warning "instead of" } */
[clsP5 doItClass2]; /* { dg-warning "not found in protocol" } */
[clsP5 doItInstance2]; /* { dg-warning "not found in protocol" } */
[clsP6 doItClass1]; /* { dg-warning "not found in protocol" } */
[clsP6 doItInstance1]; /* { dg-warning "not found in protocol" } */
[clsP6 doItClass2];
[clsP6 doItInstance2]; /* { dg-warning "instead of" } */
[MyClass1 doItClass5];
[MyClass1 doItInstance5];
[MyClass1 doItClass6]; /* { dg-warning "may not respond" } */
[MyClass1 doItInstance6]; /* { dg-warning "may not respond" } */
[MyClass2 doItClass5];
[MyClass2 doItInstance5];
[MyClass2 doItClass6];
[MyClass2 doItInstance6]; /* { dg-warning "may not respond" } */
}
/*----------------------------------------*/
/* Forward declared root protocols */
@protocol FwProto;
@interface MyClass1 (Forward) <FwProto> /* { dg-warning "definition of protocol .FwProto. not found" } */
@end
Class <FwProto> clsP7 = 0;
void
testForwardeDeclared1(void)
{
[cls doItClass7]; /* { dg-warning "no .\\+doItClass7. method found" } */
[cls doItInstance7]; /* { dg-warning "no .\\+doItInstance7. method found" } */
[clsP7 doItClass7]; /* { dg-warning "not found in protocol" } */
/* { dg-warning "no .\\+doItClass7. method found" "" { target *-*-* } .-1 } */
[clsP7 doItInstance7]; /* { dg-warning "not found in protocol" } */
/* { dg-warning "no .\\+doItInstance7. method found" "" { target *-*-* } .-1 } */
[MyClass1 doItClass7]; /* { dg-warning "may not respond" } */
[MyClass1 doItInstance7]; /* { dg-warning "may not respond" } */
[MyClass2 doItClass7]; /* { dg-warning "may not respond" } */
[MyClass2 doItInstance7]; /* { dg-warning "may not respond" } */
}
@protocol FwProto
+(void)doItClass7;
-(void)doItInstance7;
@end
void
testForwardeDeclared2(void)
{
[cls doItClass7];
[cls doItInstance7];
[clsP7 doItClass7];
[clsP7 doItInstance7]; /* { dg-warning "instead of" } */
[MyClass1 doItClass7];
[MyClass1 doItInstance7];
[MyClass2 doItClass7];
[MyClass2 doItInstance7];
}
/*----------------------------------------*/
/* Inherited non root protocols */
@protocol MyProto8
+(void)doItClass8;
-(void)doItInstance8;
@end
@protocol MyProto9 <MyProto8>
+(void)doItClass9;
-(void)doItInstance9;
@end
@interface MyClass1 (InheritedNonRoot) <MyProto9>
@end
Class <MyProto8> clsP8 = 0;
Class <MyProto9> clsP9 = 0;
void
testInheritedNonRoot(void)
{
[cls doItClass8];
[cls doItInstance8];
[cls doItClass9];
[cls doItInstance9];
[clsP8 doItClass8];
[clsP8 doItInstance8]; /* { dg-warning "instead of" } */
[clsP8 doItClass9]; /* { dg-warning "not found in protocol" } */
[clsP8 doItInstance9]; /* { dg-warning "not found in protocol" } */
[clsP9 doItClass8];
[clsP9 doItInstance8]; /* { dg-warning "instead of" } */
[clsP9 doItClass9];
[clsP9 doItInstance9]; /* { dg-warning "instead of" } */
[MyClass1 doItClass8];
[MyClass1 doItInstance8];
[MyClass1 doItClass9];
[MyClass1 doItInstance9];
[MyClass2 doItClass8];
[MyClass2 doItInstance8];
[MyClass2 doItClass9];
[MyClass2 doItInstance9];
}
/*----------------------------------------*/
/* Prototype mismatch */
@protocol MyOtherProto1
+(id)doItClass1;
-(id)doItInstance1;
@end
@interface MyOtherClass1 <MyOtherProto1>
@end
Class <MyOtherProto1> oclsP1;
void
testPrototypeMismatch(void)
{
id tmp1 = [oclsP1 doItClass1];
id tmp2 = [oclsP1 doItInstance1]; /* { dg-warning "instead of" } */
[clsP1 doItClass1];
[clsP1 doItInstance1]; /* { dg-warning "instead of" } */
}
id obj = nil;
id <MyProto1> objP1 = nil;
id <MyProto2> objP2 = nil;
id <MyProto5> objP5 = nil;
int num = 0;
void *ptr = 0;
MyClass1 *mc1 = nil;
void
testComptypes(void)
{
{ /* id <protocol>, id <protocol> */
objP1 == objP2; /* { dg-warning "lacks a cast" } */
objP2 == objP1; /* { dg-warning "lacks a cast" } */
objP1 == objP5;
objP5 == objP1;
}
{ /* id <protocol>, SomeClass * */
mc1 == objP1;
objP1 == mc1;
mc1 == objP2; /* { dg-warning "lacks a cast" } */
objP2 == mc1; /* { dg-warning "lacks a cast" } */
}
{ /* id <protocol>, id */
obj == objP1;
objP1 == obj;
}
{ /* id <protocol>, Class */
cls == objP1; /* { dg-warning "lacks a cast" } */
objP1 == cls; /* { dg-warning "lacks a cast" } */
}
{ /* id <protocol>, non-ObjC */
num == objP1; /* { dg-error "between pointer" } */
objP1 == num; /* { dg-error "between pointer" } */
ptr == objP1;
objP1 == ptr;
}
{ /* Class <protocol>, Class <protocol> */
clsP1 == clsP2; /* { dg-warning "lacks a cast" } */
clsP2 == clsP1; /* { dg-warning "lacks a cast" } */
clsP1 == clsP5;
clsP5 == clsP1;
}
{ /* Class <protocol>, SomeClass * */
mc1 == clsP1; /* { dg-warning "lacks a cast" } */
clsP1 == mc1; /* { dg-warning "lacks a cast" } */
}
{ /* Class <protocol>, id */
obj == clsP1;
clsP1 == obj;
}
{ /* Class <protocol>, Class */
cls == clsP1;
clsP1 == cls;
}
{ /* Class <protocol>, non-ObjC */
num == clsP1; /* { dg-error "between pointer" } */
clsP1 == num; /* { dg-error "between pointer" } */
ptr == clsP1;
clsP1 == ptr;
}
{ /* Class <protocol>, id <protocol> */
clsP1 == objP1; /* { dg-warning "lacks a cast" } */
objP1 == clsP1; /* { dg-warning "lacks a cast" } */
}
{ /* id <protocol>, id <protocol> */
objP1 = objP2; /* { dg-warning "does not conform" } */
objP2 = objP1; /* { dg-warning "does not conform" } */
objP1 = objP5;
objP5 = objP1; /* { dg-warning "does not conform" } */
}
{ /* id <protocol>, SomeClass * */
mc1 = objP1;
objP1 = mc1;
mc1 = objP2; /* { dg-warning "does not conform" } */
objP2 = mc1; /* { dg-warning "does not implement" } */
}
{ /* id <protocol>, id */
obj = objP1;
objP1 = obj;
}
{ /* id <protocol>, Class */
cls = objP1; /* { dg-warning "distinct Objective\\-C type" } */
objP1 = cls; /* { dg-warning "distinct Objective\\-C type" } */
}
{ /* id <protocol>, non-ObjC */
num = objP1; /* { dg-error "invalid conversion" } */
objP1 = num; /* { dg-error "invalid conversion" } */
ptr = objP1;
objP1 = ptr; /* { dg-error "invalid conversion" } */
}
{ /* Class <protocol>, Class <protocol> */
clsP1 = clsP2; /* { dg-warning "does not conform" } */
clsP2 = clsP1; /* { dg-warning "does not conform" } */
clsP1 = clsP5;
clsP5 = clsP1; /* { dg-warning "does not conform" } */
}
{ /* Class <protocol>, SomeClass * */
/* These combinations should always elicit a warning. */
mc1 = clsP1; /* { dg-warning "distinct Objective\\-C type" } */
clsP1 = mc1; /* { dg-warning "distinct Objective\\-C type" } */
mc1 = clsP2; /* { dg-warning "distinct Objective\\-C type" } */
clsP2 = mc1; /* { dg-warning "distinct Objective\\-C type" } */
}
{ /* Class <protocol>, id */
obj = clsP1;
clsP1 = obj;
}
{ /* Class <protocol>, Class */
cls = clsP1;
clsP1 = cls;
}
{ /* Class <protocol>, non-ObjC */
num = clsP1; /* { dg-error "invalid conversion" } */
clsP1 = num; /* { dg-error "invalid conversion" } */
ptr = clsP1;
clsP1 = ptr; /* { dg-error "invalid conversion" } */
}
{ /* Class <protocol>, id <protocol> */
clsP1 = objP1; /* { dg-warning "distinct Objective\\-C type" } */
objP1 = clsP1; /* { dg-warning "distinct Objective\\-C type" } */
}
}
int main ()
{
testSimple();
testCategory();
testCategoryInherited();
return(0);
}
/* { dg-warning "Messages without a matching method signature" "" { target *-*-* } 0 } */
/* { dg-warning "will be assumed to return .id. and accept" "" { target *-*-* } 0 } */
/* { dg-warning ".\.\.\.. as arguments" "" { target *-*-* } 0 } */
|
