Subversion Repositories openrisc

/* Check if objc_super stack variables are created correctly (and

   not clobbered by other values).  */

/* Contributed by Ziemowit Laski <zlaski@apple.com>.  */

/* { dg-options "-std=c99 -lobjc" } */

/* { dg-do run } */

#include <objc/objc.h>

#include <objc/Object.h>

extern void abort(void);

#define CHECK_IF(expr) if(!(expr)) abort();

typedef struct _Point {

  float x;

  float y;

} Point;

Point MakePoint ( float x , float y ) {

  Point p;

  p.x = x;

  p.y = y;

  return p;

}

@interface Base: Object

- ( void ) translateOriginToPoint : ( Point ) translation ;

@end

@interface Derived : Base

- ( void ) scrollToPoint : ( Point ) newOrigin ;

- ( void ) translateOriginToPoint : ( Point ) translation ;

@end

int blort;

float result;

@implementation Base

- ( void ) translateOriginToPoint : ( Point ) translation  {

  result = translation.x + translation.y;

}

@end

@implementation Derived

- ( void ) scrollToPoint : ( Point ) newOrigin {

  float transDeltaX =newOrigin.x, transDeltaY =newOrigin.y ;

  Point w;

  if ( ! blort ) {

    w.x = transDeltaX ; w.y = transDeltaY ;

    [ super translateOriginToPoint : w ] ;

    return;

  }

  [ super translateOriginToPoint : MakePoint ( transDeltaX , transDeltaY ) ] ;

  return;

}

- (void) translateOriginToPoint : ( Point ) translation  {

  /* This should never be called.  */

  CHECK_IF(0);

}

@end

int main(void) {

  Derived *v = [Derived new];

  float r0 = 1.5 + 1.5;

  blort = 1;

  [v scrollToPoint: MakePoint(1.5, 1.5)];

  CHECK_IF(result == r0);

  blort = 0;

  [v scrollToPoint: MakePoint(1.5, 1.5)];

  CHECK_IF(result == r0);

  blort = 1;

  [v scrollToPoint: MakePoint(1.5, 1.5)];

  CHECK_IF(result == r0);

  [v free];

  return 0;

}