qapi: Move qapi-schema.json to qapi/, rename generated files

[qemu.git] / include / qapi / qmp / qobject.h

diff --git a/include/qapi/qmp/qobject.h b/include/qapi/qmp/qobject.h
index 84b2d9fef5453d68115cb3374113d06bdd20077e..012439a2e3bc6fc1e7b7457301175b18b50d0512 100644 (file)
--- a/include/qapi/qmp/qobject.h
+++ b/include/qapi/qmp/qobject.h
@@ -32,37 +32,12 @@
 #ifndef QOBJECT_H
 #define QOBJECT_H
 
-#include <stddef.h>
-#include <assert.h>
+#include "qapi/qapi-builtin-types.h"
 
-typedef enum {
-    QTYPE_NONE,    /* sentinel value, no QObject has this type code */
-    QTYPE_QNULL,
-    QTYPE_QINT,
-    QTYPE_QSTRING,
-    QTYPE_QDICT,
-    QTYPE_QLIST,
-    QTYPE_QFLOAT,
-    QTYPE_QBOOL,
-    QTYPE_QERROR,
-    QTYPE_MAX,
-} qtype_code;
-
-struct QObject;
-
-typedef struct QType {
-    qtype_code code;
-    void (*destroy)(struct QObject *);
-} QType;
-
-typedef struct QObject {
-    const QType *type;
+struct QObject {
+    QType type;
     size_t refcnt;
-} QObject;
-
-/* Objects definitions must include this */
-#define QObject_HEAD  \
-    QObject base
+};
 
 /* Get the 'base' part of an object */
 #define QOBJECT(obj) (&(obj)->base)
@@ -76,9 +51,12 @@ typedef struct QObject {
     qobject_decref(obj ? QOBJECT(obj) : NULL)
 
 /* Initialize an object to default values */
-#define QOBJECT_INIT(obj, qtype_type)   \
-    obj->base.refcnt = 1;               \
-    obj->base.type   = qtype_type
+static inline void qobject_init(QObject *obj, QType type)
+{
+    assert(QTYPE_NONE < type && type < QTYPE__MAX);
+    obj->refcnt = 1;
+    obj->type = type;
+}
 
 /**
  * qobject_incref(): Increment QObject's reference count
@@ -89,34 +67,39 @@ static inline void qobject_incref(QObject *obj)
         obj->refcnt++;
 }
 
+/**
+ * qobject_is_equal(): Return whether the two objects are equal.
+ *
+ * Any of the pointers may be NULL; return true if both are.  Always
+ * return false if only one is (therefore a QNull object is not
+ * considered equal to a NULL pointer).
+ */
+bool qobject_is_equal(const QObject *x, const QObject *y);
+
+/**
+ * qobject_destroy(): Free resources used by the object
+ */
+void qobject_destroy(QObject *obj);
+
 /**
  * qobject_decref(): Decrement QObject's reference count, deallocate
  * when it reaches zero
  */
 static inline void qobject_decref(QObject *obj)
 {
+    assert(!obj || obj->refcnt);
     if (obj && --obj->refcnt == 0) {
-        assert(obj->type != NULL);
-        assert(obj->type->destroy != NULL);
-        obj->type->destroy(obj);
+        qobject_destroy(obj);
     }
 }
 
 /**
  * qobject_type(): Return the QObject's type
  */
-static inline qtype_code qobject_type(const QObject *obj)
-{
-    assert(obj->type != NULL);
-    return obj->type->code;
-}
-
-extern QObject qnull_;
-
-static inline QObject *qnull(void)
+static inline QType qobject_type(const QObject *obj)
 {
-    qobject_incref(&qnull_);
-    return &qnull_;
+    assert(QTYPE_NONE < obj->type && obj->type < QTYPE__MAX);
+    return obj->type;
 }
 
 #endif /* QOBJECT_H */