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/* Contributed by Nicola Pero <nicola.pero@meta-innovation.com>, December 2010. */
/* { dg-options "-fobjc-exceptions" } */
/* { dg-do compile } */
/* Test that the compiler is checking the argument of @synchronized(),
and produce errors when invalid types are used. */
#include <objc/objc.h>
@interface MyObject
{
Class isa;
}
@end
@implementation MyObject
@end
@protocol MyProtocol;
typedef MyObject MyObjectTypedef;
typedef MyObject *MyObjectPtrTypedef;
typedef int intTypedef;
typedef struct { float x; float y; } point, *point_ptr;
int test (id object)
{
int dummy = 0;
{
int x;
@synchronized (x) /* { dg-error ".@synchronized. argument is not an object" } */
{ dummy++; }
}
{
intTypedef x;
@synchronized (x) /* { dg-error ".@synchronized. argument is not an object" } */
{ dummy++; }
}
{
int *x;
@synchronized (x) /* { dg-error ".@synchronized. argument is not an object" } */
{ dummy++; }
}
{
point x;
@synchronized (x) /* { dg-error ".@synchronized. argument is not an object" } */
{ dummy++; }
}
{
point_ptr x;
@synchronized (x) /* { dg-error ".@synchronized. argument is not an object" } */
{ dummy++; }
}
{
id x;
@synchronized (x) /* Ok */
{ dummy++; }
}
{
id <MyProtocol> x;
@synchronized (x) /* Ok */
{ dummy++; }
}
{
MyObject *x;
@synchronized (x) /* Ok */
{ dummy++; }
}
{
MyObject <MyProtocol> *x;
@synchronized (x) /* Ok */
{ dummy++; }
}
{
static MyObject *x;
@synchronized (x) /* Ok */
{ dummy++; }
}
{
MyObjectTypedef *x;
@synchronized (x) /* Ok */
{ dummy++; }
}
{
MyObjectTypedef <MyProtocol> *x;
@synchronized (x) /* Ok */
{ dummy++; }
}
{
MyObjectPtrTypedef x;
@synchronized (x) /* Ok */
{ dummy++; }
}
{
Class x;
@synchronized (x) /* Ok */
{ dummy++; }
}
@synchronized (1) /* { dg-error ".@synchronized. argument is not an object" } */
{ dummy++; }
@synchronized ("Test") /* { dg-error ".@synchronized. argument is not an object" } */
{ dummy++; }
@synchronized () /* { dg-error "expected expression" } */
{ dummy++; }
@synchronized (int) /* { dg-error "expected expression" } */
{ dummy++; }
return dummy;
}
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