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qom: pass file/line/function to asserting casts

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1368188203-3407-5-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Paolo Bonzini 2013-05-10 14:16:38 +02:00 committed by Anthony Liguori
parent 793c96b540
commit be17f18b8c
2 changed files with 20 additions and 11 deletions
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16
include/qom/object.h
View file

@ -476,7 +476,8 @@ struct TypeInfo
* generated.
*/
#define OBJECT_CHECK(type, obj, name) \
((type *)object_dynamic_cast_assert(OBJECT(obj), (name)))
((type *)object_dynamic_cast_assert(OBJECT(obj), (name), \
__FILE__, __LINE__, __func__))
/**
* OBJECT_CLASS_CHECK:
@ -489,7 +490,8 @@ struct TypeInfo
* specific class type.
*/
#define OBJECT_CLASS_CHECK(class, obj, name) \
((class *)object_class_dynamic_cast_assert(OBJECT_CLASS(obj), (name)))
((class *)object_class_dynamic_cast_assert(OBJECT_CLASS(obj), (name), \
__FILE__, __LINE__, __func__))
/**
* OBJECT_GET_CLASS:
@ -547,7 +549,8 @@ struct InterfaceClass
* Returns: @obj casted to @interface if cast is valid, otherwise raise error.
*/
#define INTERFACE_CHECK(interface, obj, name) \
((interface *)object_dynamic_cast_assert(OBJECT((obj)), (name)))
((interface *)object_dynamic_cast_assert(OBJECT((obj)), (name), \
__FILE__, __LINE__, __func__))
/**
* object_new:
@ -615,7 +618,8 @@ Object *object_dynamic_cast(Object *obj, const char *typename);
* instead of returning #NULL on failure. This function is not meant to be
* called directly, but only through the wrapper macro OBJECT_CHECK.
*/
Object *object_dynamic_cast_assert(Object *obj, const char *typename);
Object *object_dynamic_cast_assert(Object *obj, const char *typename,
const char *file, int line, const char *func);
/**
* object_get_class:
@ -667,7 +671,9 @@ Type type_register(const TypeInfo *info);
* OBJECT_CLASS_CHECK and INTERFACE_CHECK.
*/
ObjectClass *object_class_dynamic_cast_assert(ObjectClass *klass,
const char *typename);
const char *typename,
const char *file, int line,
const char *func);
/**
* object_class_dynamic_cast:

15
qom/object.c
View file

@ -431,15 +431,16 @@ Object *object_dynamic_cast(Object *obj, const char *typename)
return NULL;
}
Object *object_dynamic_cast_assert(Object *obj, const char *typename)
Object *object_dynamic_cast_assert(Object *obj, const char *typename,
const char *file, int line, const char *func)
{
Object *inst;
inst = object_dynamic_cast(obj, typename);
if (!inst && obj) {
fprintf(stderr, "Object %p is not an instance of type %s\n",
obj, typename);
fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n",
file, line, func, obj, typename);
abort();
}
@ -495,13 +496,15 @@ ObjectClass *object_class_dynamic_cast(ObjectClass *class,
}
ObjectClass *object_class_dynamic_cast_assert(ObjectClass *class,
const char *typename)
const char *typename,
const char *file, int line,
const char *func)
{
ObjectClass *ret = object_class_dynamic_cast(class, typename);
if (!ret && class) {
fprintf(stderr, "Object %p is not an instance of type %s\n",
class, typename);
fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n",
file, line, func, class, typename);
abort();
}