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/* Check Class  types */

/* Author: David Ayers  */

/* { dg-do compile } */

#include 

#include "../objc-obj-c++-shared/runtime.h"

@protocol MyProto1

+(void)doItClass1;

-(void)doItInstance1;

@end

@protocol MyProto2

+(void)doItClass2;

-(void)doItInstance2;

@end

@interface MyClass1 

{

  Class isa;

}

@end

@implementation MyClass1

+(void)doItClass1{}

-(void)doItInstance1{}

@end

@interface MyClass2 : MyClass1 

@end

@implementation MyClass2

+(void)doItClass2{}

-(void)doItInstance2{}

@end

@interface MyClass3

{

  Class isa;

}

@end

@interface MyClass4 : MyClass3 

@end

/*----------------------------------------*/

Class cls = 0;

Class  clsP1 = 0;

Class  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) 

@end

@interface MyClass2 (Category2) 

@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 

+(void)doItClass5;

-(void)doItInstance5;

@end

@protocol MyProto6 

+(void)doItClass6;

-(void)doItInstance6;

@end

@interface MyClass1 (Category3) 

@end

@interface MyClass2 (Category4) 

@end

Class  clsP5 = 0;

Class  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)  /* { dg-warning "definition of protocol .FwProto. not found" } */

@end

Class  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 *-*-* } 189 } */

  [clsP7 doItInstance7];    /* { dg-warning "not found in protocol" } */

  /* { dg-warning "no .\\+doItInstance7. method found" "" { target *-*-* } 191 } */

  [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 

+(void)doItClass9;

-(void)doItInstance9;

@end

@interface MyClass1 (InheritedNonRoot) 

@end

Class  clsP8 = 0;

Class  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 

@end

Class  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  objP1 = nil;

id  objP2 = nil;

id  objP5 = nil;

int num = 0;

void *ptr = 0;

MyClass1 *mc1 = nil;

void

testComptypes(void)

{

  { /* id , id   */

    objP1 == objP2;  /* { dg-warning "lacks a cast" } */

    objP2 == objP1;  /* { dg-warning "lacks a cast" } */

    objP1 == objP5;

    objP5 == objP1;

  }

  { /* id , SomeClass *  */

    mc1 == objP1;

    objP1 == mc1;

    mc1 == objP2; /* { dg-warning "lacks a cast" } */

    objP2 == mc1; /* { dg-warning "lacks a cast" } */

  }

  { /* id , id  */

    obj == objP1;

    objP1 == obj;

  }

  { /* id , Class  */

    cls == objP1; /* { dg-warning "lacks a cast" } */

    objP1 == cls; /* { dg-warning "lacks a cast" } */

  }

  { /* id , non-ObjC  */

    num == objP1; /* { dg-error "between pointer" } */

    objP1 == num; /* { dg-error "between pointer" } */

    ptr == objP1;

    objP1 == ptr;

  }

  { /* Class , Class  */

    clsP1 == clsP2; /* { dg-warning "lacks a cast" } */

    clsP2 == clsP1; /* { dg-warning "lacks a cast" } */

    clsP1 == clsP5;

    clsP5 == clsP1;

  }

  { /* Class , SomeClass * */

    mc1 == clsP1; /* { dg-warning "lacks a cast" } */

    clsP1 == mc1; /* { dg-warning "lacks a cast" } */

  }

  { /* Class , id */

    obj == clsP1;

    clsP1 == obj;

  }

  { /* Class , Class */

    cls == clsP1;

    clsP1 == cls;

  }

  { /* Class , non-ObjC */

    num == clsP1; /* { dg-error "between pointer" } */

    clsP1 == num; /* { dg-error "between pointer" } */

    ptr == clsP1;

    clsP1 == ptr;

  }

  { /* Class , id  */

    clsP1 == objP1; /* { dg-warning "lacks a cast" } */

    objP1 == clsP1; /* { dg-warning "lacks a cast" } */

  }

  { /* id , id   */

    objP1 = objP2; /* { dg-warning "does not conform" } */

    objP2 = objP1; /* { dg-warning "does not conform" } */

    objP1 = objP5;

    objP5 = objP1; /* { dg-warning "does not conform" } */

  }

  { /* id , SomeClass *  */

    mc1 = objP1;

    objP1 = mc1;

    mc1 = objP2; /* { dg-warning "does not conform" } */

    objP2 = mc1; /* { dg-warning "does not implement" } */

  }

  { /* id , id  */

    obj = objP1;

    objP1 = obj;

  }

  { /* id , Class  */

    cls = objP1; /* { dg-warning "distinct Objective\\-C type" } */

    objP1 = cls; /* { dg-warning "distinct Objective\\-C type" } */

  }

  { /* id , non-ObjC  */

    num = objP1; /* { dg-error "invalid conversion" } */

    objP1 = num; /* { dg-error "invalid conversion" } */

    ptr = objP1;

    objP1 = ptr; /* { dg-error "invalid conversion" } */

  }

  { /* Class , Class  */

    clsP1 = clsP2; /* { dg-warning "does not conform" } */

    clsP2 = clsP1; /* { dg-warning "does not conform" } */

    clsP1 = clsP5;

    clsP5 = clsP1; /* { dg-warning "does not conform" } */

  }

  { /* Class , 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 , id */

    obj = clsP1;

    clsP1 = obj;

  }

  { /* Class , Class */

    cls = clsP1;

    clsP1 = cls;

  }

  { /* Class , non-ObjC */

    num = clsP1; /* { dg-error "invalid conversion" } */

    clsP1 = num; /* { dg-error "invalid conversion" } */

    ptr = clsP1;

    clsP1 = ptr; /* { dg-error "invalid conversion" } */

  }

  { /* Class , id  */

    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 } */