[Qemu-devel] [PATCH v3 026/197] qom: add qobject

[Anthony Liguori <aliguori@us.ibm.com>]

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
---
 Makefile.objs |    2 +
 hw/qobject.c  |  463 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 hw/qobject.h  |  471 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 936 insertions(+), 0 deletions(-)
 create mode 100644 hw/qobject.c
 create mode 100644 hw/qobject.h

diff --git a/Makefile.objs b/Makefile.objs
index 67e1ae5..8e629f1 100644
--- a/Makefile.objs
+++ b/Makefile.objs
@@ -123,6 +123,8 @@ common-obj-$(CONFIG_WIN32) += version.o
 
 common-obj-$(CONFIG_SPICE) += ui/spice-core.o ui/spice-input.o ui/spice-display.o spice-qemu-char.o
 
+common-obj-y += qobject.o
+
 audio-obj-y = audio.o noaudio.o wavaudio.o mixeng.o
 audio-obj-$(CONFIG_SDL) += sdlaudio.o
 audio-obj-$(CONFIG_OSS) += ossaudio.o
diff --git a/hw/qobject.c b/hw/qobject.c
new file mode 100644
index 0000000..54398ab
--- /dev/null
+++ b/hw/qobject.c
@@ -0,0 +1,463 @@
+/*
+ * QEMU Object Model
+ *
+ * Copyright IBM, Corp. 2011
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include "qobject.h"
+
+#define MAX_INTERFACES 32
+
+typedef struct QInterfaceImpl
+{
+    const char *parent;
+    void (*interface_initfn)(QObjectClass *class);
+    QType type;
+} QInterfaceImpl;
+
+typedef struct QTypeImpl
+{
+    const char *name;
+    QType type;
+
+    size_t class_size;
+
+    size_t instance_size;
+
+    void (*base_init)(QObjectClass *klass);
+    void (*base_finalize)(QObjectClass *klass);
+
+    void (*class_init)(QObjectClass *klass);
+    void (*class_finalize)(QObjectClass *klass);
+
+    void (*instance_init)(QObject *obj);
+    void (*instance_finalize)(QObject *obj);
+
+    bool abstract;
+
+    const char *parent;
+
+    QObjectClass *class;
+
+    int num_interfaces;
+    QInterfaceImpl interfaces[MAX_INTERFACES];
+} QTypeImpl;
+
+static int num_types = 1;
+static QTypeImpl type_table[1024];
+
+QType qtype_register_static(const QTypeInfo *info)
+{
+    QType type = num_types++;
+    QTypeImpl *ti;
+
+    ti = &type_table[type];
+
+    assert(info->name != NULL);
+
+    ti->name = info->name;
+    ti->parent = info->parent;
+    ti->type = type;
+
+    ti->class_size = info->class_size;
+    ti->instance_size = info->instance_size;
+
+    ti->base_init = info->base_init;
+    ti->base_finalize = info->base_finalize;
+
+    ti->class_init = info->class_init;
+    ti->class_finalize = info->class_finalize;
+
+    ti->instance_init = info->instance_init;
+    ti->instance_finalize = info->instance_finalize;
+
+    ti->abstract = info->abstract;
+
+    if (info->interfaces) {
+        int i;
+
+        for (i = 0; info->interfaces[i].type; i++) {
+            ti->interfaces[i].parent = info->interfaces[i].type;
+            ti->interfaces[i].interface_initfn = info->interfaces[i].interface_initfn;
+            ti->num_interfaces++;
+        }
+    }
+
+    return type;
+}
+
+static QType qtype_register_anonymous(const QTypeInfo *info)
+{
+    QType type = num_types++;
+    QTypeImpl *ti;
+    char buffer[32];
+    static int count;
+
+    ti = &type_table[type];
+
+    snprintf(buffer, sizeof(buffer), "<anonymous-%d>", count++);
+    ti->name = g_strdup(buffer);
+    ti->parent = g_strdup(info->parent);
+    ti->type = type;
+
+    ti->class_size = info->class_size;
+    ti->instance_size = info->instance_size;
+
+    ti->base_init = info->base_init;
+    ti->base_finalize = info->base_finalize;
+
+    ti->class_init = info->class_init;
+    ti->class_finalize = info->class_finalize;
+
+    ti->instance_init = info->instance_init;
+    ti->instance_finalize = info->instance_finalize;
+
+    if (info->interfaces) {
+        int i;
+
+        for (i = 0; info->interfaces[i].type; i++) {
+            ti->interfaces[i].parent = info->interfaces[i].type;
+            ti->interfaces[i].interface_initfn = info->interfaces[i].interface_initfn;
+            ti->num_interfaces++;
+        }
+    }
+
+    return type;
+}
+
+static QTypeImpl *qtype_get_instance(QType type)
+{
+    assert(type != 0);
+    assert(type < num_types);
+
+    return &type_table[type];
+}
+
+QType qtype_get_by_name(const char *name)
+{
+    int i;
+
+    if (name == NULL) {
+        return 0;
+    }
+
+    for (i = 1; i < num_types; i++) {
+        if (strcmp(name, type_table[i].name) == 0) {
+            return i;
+        }
+    }
+
+    return 0;
+}
+
+static void qtype_class_base_init(QTypeImpl *base_ti, const char *typename)
+{
+    QTypeImpl *ti;
+
+    if (!typename) {
+        return;
+    }
+
+    ti = qtype_get_instance(qtype_get_by_name(typename));
+
+    qtype_class_base_init(base_ti, ti->parent);
+
+    if (ti->base_init) {
+        ti->base_init(base_ti->class);
+    }
+}
+
+static size_t qtype_class_get_size(QTypeImpl *ti)
+{
+    if (ti->class_size) {
+        return ti->class_size;
+    }
+
+    if (ti->parent) {
+        return qtype_class_get_size(qtype_get_instance(qtype_get_by_name(ti->parent)));
+    }
+
+    return sizeof(QObjectClass);
+}
+
+static void qtype_class_interface_init(QTypeImpl *ti, QInterfaceImpl *iface)
+{
+    QTypeInfo info = {
+        .instance_size = sizeof(QInterface),
+        .parent = iface->parent,
+        .class_size = sizeof(QInterfaceClass),
+        .class_init = iface->interface_initfn,
+        .abstract = true,
+    };
+
+    iface->type = qtype_register_anonymous(&info);
+}
+
+static void qtype_class_init(QTypeImpl *ti)
+{
+    size_t class_size = sizeof(QObjectClass);
+    int i;
+
+    if (ti->class) {
+        return;
+    }
+
+    ti->class_size = qtype_class_get_size(ti);
+
+    ti->class = g_malloc0(ti->class_size);
+    ti->class->type = ti->type;
+
+    if (ti->parent) {
+        QTypeImpl *ti_parent;
+
+        ti_parent = qtype_get_instance(qtype_get_by_name(ti->parent));
+
+        qtype_class_init(ti_parent);
+
+        class_size = ti_parent->class_size;
+        assert(ti_parent->class_size <= ti->class_size);
+
+        memcpy((void *)ti->class + sizeof(QObjectClass),
+               (void *)ti_parent->class + sizeof(QObjectClass),
+               ti_parent->class_size - sizeof(QObjectClass));
+    }
+
+    memset((void *)ti->class + class_size, 0, ti->class_size - class_size);
+
+    qtype_class_base_init(ti, ti->parent);
+
+    for (i = 0; i < ti->num_interfaces; i++) {
+        qtype_class_interface_init(ti, &ti->interfaces[i]);
+    }
+
+    if (ti->class_init) {
+        ti->class_init(ti->class);
+    }
+}
+
+static void qobject_interface_init(QObject *obj, QInterfaceImpl *iface)
+{
+    QTypeImpl *ti = qtype_get_instance(iface->type);
+    QInterface *iface_obj;
+
+    iface_obj = QINTERFACE(qobject_new(ti->name));
+    iface_obj->obj = obj;
+
+    obj->interfaces = g_slist_prepend(obj->interfaces, iface_obj);
+}
+
+static void qobject_init(QObject *obj, const char *typename)
+{
+    QTypeImpl *ti = qtype_get_instance(qtype_get_by_name(typename));
+    int i;
+
+    if (ti->parent) {
+        qobject_init(obj, ti->parent);
+    }
+
+    for (i = 0; i < ti->num_interfaces; i++) {
+        qobject_interface_init(obj, &ti->interfaces[i]);
+    }
+
+    if (ti->instance_init) {
+        ti->instance_init(obj);
+    }
+}
+
+void qobject_initialize(void *data, const char *typename)
+{
+    QTypeImpl *ti = qtype_get_instance(qtype_get_by_name(typename));
+    QObject *obj = data;
+
+    g_assert(ti->instance_size >= sizeof(QObjectClass));
+
+    qtype_class_init(ti);
+
+    g_assert(ti->abstract == false);
+
+    memset(obj, 0, ti->instance_size);
+
+    obj->class = ti->class;
+
+    qobject_init(obj, typename);
+}
+
+static void qobject_deinit(QObject *obj, const char *typename)
+{
+    QTypeImpl *ti = qtype_get_instance(qtype_get_by_name(typename));
+
+    if (ti->instance_finalize) {
+        ti->instance_finalize(obj);
+    }
+
+    while (obj->interfaces) {
+        QInterface *iface_obj = obj->interfaces->data;
+        obj->interfaces = g_slist_delete_link(obj->interfaces, obj->interfaces);
+        qobject_delete(QOBJECT(iface_obj));
+    }
+
+    if (ti->parent) {
+        qobject_init(obj, ti->parent);
+    }
+}
+
+void qobject_finalize(void *data)
+{
+    QObject *obj = data;
+    QTypeImpl *ti = qtype_get_instance(obj->class->type);
+
+    qobject_deinit(obj, ti->name);
+}
+
+const char *qtype_get_name(QType type)
+{
+    QTypeImpl *ti = qtype_get_instance(type);
+    return ti->name;
+}
+
+QObject *qobject_new(const char *typename)
+{
+    QTypeImpl *ti = qtype_get_instance(qtype_get_by_name(typename));
+    QObject *obj;
+
+    obj = g_malloc(ti->instance_size);
+    qobject_initialize(obj, typename);
+
+    return obj;
+}
+
+void qobject_delete(QObject *obj)
+{
+    qobject_finalize(obj);
+    g_free(obj);
+}
+
+bool qobject_is_type(QObject *obj, const char *typename)
+{
+    QType target_type = qtype_get_by_name(typename);
+    QType type = obj->class->type;
+    GSList *i;
+
+    /* Check if typename is a direct ancestor of type */
+    while (type) {
+        QTypeImpl *ti = qtype_get_instance(type);
+
+        if (ti->type == target_type) {
+            return true;
+        }
+
+        type = qtype_get_by_name(ti->parent);
+    }
+
+    /* Check if obj has an interface of typename */
+    for (i = obj->interfaces; i; i = i->next) {
+        QInterface *iface = i->data;
+
+        if (qobject_is_type(QOBJECT(iface), typename)) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+QObject *qobject_dynamic_cast(QObject *obj, const char *typename)
+{
+    GSList *i;
+
+    /* Check if typename is a direct ancestor */
+    if (qobject_is_type(obj, typename)) {
+        return obj;
+    }
+
+    /* Check if obj has an interface of typename */
+    for (i = obj->interfaces; i; i = i->next) {
+        QInterface *iface = i->data;
+
+        if (qobject_is_type(QOBJECT(iface), typename)) {
+            return QOBJECT(iface);
+        }
+    }
+
+    /* Check if obj is an interface and it's containing object is a direct ancestor of typename */
+    if (qobject_is_type(obj, TYPE_QINTERFACE)) {
+        QInterface *iface = QINTERFACE(obj);
+
+        if (qobject_is_type(iface->obj, typename)) {
+            return iface->obj;
+        }
+    }
+
+    return NULL;
+}
+
+
+static void register_interface(void)
+{
+    static QTypeInfo interface_info = {
+        .name = TYPE_QINTERFACE,
+        .instance_size = sizeof(QInterface),
+        .abstract = true,
+    };
+
+    qtype_register_static(&interface_info);
+}
+
+device_init(register_interface);
+
+QObject *qobject_dynamic_cast_assert(QObject *obj, const char *typename)
+{
+    QObject *inst;
+
+    inst = qobject_dynamic_cast(obj, typename);
+
+    if (!inst) {
+        fprintf(stderr, "Object %p is not an instance of type %s\n", obj, typename);
+        abort();
+    }
+
+    return inst;
+}
+
+QObjectClass *qobject_check_class(QObjectClass *class, const char *typename)
+{
+    QType target_type = qtype_get_by_name(typename);
+    QType type = class->type;
+
+    while (type) {
+        QTypeImpl *ti = qtype_get_instance(type);
+
+        if (ti->type == target_type) {
+            return class;
+        }
+
+        type = qtype_get_by_name(ti->parent);
+    }
+
+    fprintf(stderr, "Object %p is not an instance of type %d\n", class, (int)type);
+    abort();
+
+    return NULL;
+}
+
+const char *qobject_get_type(QObject *obj)
+{
+    return qtype_get_name(obj->class->type);
+}
+
+QObjectClass *qobject_get_class(QObject *obj)
+{
+    return obj->class;
+}
+
+QObjectClass *qobject_get_super(QObject *obj)
+{
+    return qtype_get_instance(qtype_get_by_name(qtype_get_instance(obj->class->type)->parent))->class;
+}
+
diff --git a/hw/qobject.h b/hw/qobject.h
new file mode 100644
index 0000000..f20ed1c
--- /dev/null
+++ b/hw/qobject.h
@@ -0,0 +1,471 @@
+/*
+ * QEMU Object Model
+ *
+ * Copyright IBM, Corp. 2011
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef QOBJECT_H
+#define QOBJECT_H
+
+#include "qemu-common.h"
+
+typedef uint64_t QType;
+
+typedef struct QObjectClass QObjectClass;
+typedef struct QObject QObject;
+
+typedef struct QTypeInfo QTypeInfo;
+
+typedef struct QInterfaceClass QInterfaceClass;
+typedef struct QInterface QInterface;
+typedef struct QInterfaceInfo QInterfaceInfo;
+
+/**
+ * @QObjectClass:
+ *
+ * The base for all classes.  The only thing that @QObjectClass contains is an
+ * integer type handle.
+ */
+struct QObjectClass
+{
+    /**
+     * @type the handle of the type for a class
+     */
+    QType type;
+};
+
+/**
+ * @QObject:
+ *
+ * The base for all objects.  The first member of this object is a pointer to
+ * a @QObjectClass.  Since C guarantees that the first member of a structure
+ * always begins at byte 0 of that structure, as long as any sub-object places
+ * its parent as the first member, we can cast directly to a @QObject.
+ *
+ * As a result, @QObject contains a reference to the objects type as its
+ * first member.  This allows identification of the real type of the object at
+ * run time.
+ *
+ * @QObject also contains a list of @QInterfaces that this object
+ * implements.
+ */
+struct QObject
+{
+    /**
+     * @class the type of the instantiated object.
+     */
+    QObjectClass *class;
+
+    /**
+     * @interfaces a list of @QInterface objects implemented by this object
+     */
+    GSList *interfaces;
+};
+
+/**
+ * @QTypeInfo:
+ *
+ */
+struct QTypeInfo
+{
+    /**
+     * @name the name of the type
+     */
+    const char *name;
+
+    /**
+     * @parent the name of the parent type
+     */
+    const char *parent;
+
+    /**
+     * Instance Initialization
+     *
+     * This functions manage the instance construction and destruction of a
+     * type.
+     */
+
+    /**
+     * @instance_size the size of the object (derivative of @QObject).  If
+     * @instance_size is 0, then the size of the object will be the size of the
+     * parent object.
+     */
+    size_t instance_size;
+
+    /**
+     * @instance_init
+     *
+     * This function is called to initialize an object.  The parent class will
+     * have already been initialized so the type is only responsible for
+     * initializing its own members.
+     */
+    void (*instance_init)(QObject *obj);
+
+    /**
+     * @instance_finalize
+     *
+     * This function is called during object destruction.  This is called before
+     * the parent @instance_finalize function has been called.  An object should
+     * only free the members that are unique to its type in this function.
+     */
+    void (*instance_finalize)(QObject *obj);
+
+    /**
+     * @abstract
+     *
+     * If this field is true, then the class is considered abstract and cannot
+     * be directly instantiated.
+     */
+    bool abstract;
+
+    /**
+     * Class Initialization
+     *
+     * Before an object is initialized, the class for the object must be
+     * initialized.  There is only one class object for all instance objects
+     * that is created lazily.
+     *
+     * Classes are initialized by first initializing any parent classes (if
+     * necessary).  After the parent class object has initialized, it will be
+     * copied into the current class object and any additional storage in the
+     * class object is zero filled.
+     *
+     * The effect of this is that classes automatically inherit any virtual
+     * function pointers that the parent class has already initialized.  All
+     * other fields will be zero filled.
+     *
+     * After this initial copy, @base_init is invoked.  This is meant to handle
+     * the case where a class may have a dynamic field that was copied via
+     * a shallow copy but needs to be deep copied.  @base_init is called for
+     * each parent class but not for the class being instantiated.
+     *
+     * Once all of the parent classes have been initialized and their @base_init
+     * functions have been called, @class_init is called to let the class being
+     * instantiated provide default initialize for it's virtual functions.
+     */
+
+    /**
+     * @class_size the size of the class object (derivative of @QObjectClass)
+     * for this object.  If @class_size is 0, then the size of the class will be
+     * assumed to be the size of the parent class.  This allows a type to avoid
+     * implementing an explicit class type if they are not adding additional
+     * virtual functions.
+     */
+    size_t class_size;
+
+    /**
+     * @base_init
+     *
+     * This function is called after memcpy()'ing the base class into the new
+     * class to reinitialize any members that require deep copy.
+     */
+    void (*base_init)(QObjectClass *klass);
+
+    /**
+     * @base_finalize
+     *
+     * This function is called during a class's destruction and is meant to
+     * allow any dynamic parameters allocated by @base_init to be released.
+     */
+    void (*base_finalize)(QObjectClass *klass);
+
+    /**
+     * @class_init
+     *
+     * This function is called after all parent class initialization has occured
+     * to allow a class to set its default virtual method pointers.  This is
+     * also the function to use to override virtual methods from a parent class.
+     */
+    void (*class_init)(QObjectClass *klass);
+
+    /**
+     * @class_finalize
+     *
+     * This function is called during class destruction and is meant to release
+     * and dynamic parameters allocated by @class_init.
+     */
+    void (*class_finalize)(QObjectClass *klass);
+
+    /**
+     * QInterfaces
+     *
+     * QInterfaces allow a limited form of multiple inheritance.  Instances are
+     * similar to normal types except for the fact that are only defined by
+     * their classes and never carry any state.  You can cast an object to one
+     * of its @QInterface types and vice versa.
+     */
+
+    /**
+     * @interfaces the list of interfaces associated with this type.  This
+     * should point to a static array that's terminated with a zero filled
+     * element.
+     */
+    QInterfaceInfo *interfaces;
+};
+
+/**
+ * @QOBJECT
+ *
+ * Converts an object to a @QObject.  Since all objects are @QObjects,
+ * this function will always succeed.
+ */
+#define QOBJECT(obj) \
+    ((QObject *)(obj))
+
+/**
+ * @QOBJECT_CHECK
+ *
+ * A type safe version of @qobject_dynamic_cast_assert.  Typically each class
+ * will define a macro based on this type to perform type safe dynamic_casts to
+ * this object type.
+ *
+ * If an invalid object is passed to this function, a run time assert will be
+ * generated.
+ */
+#define QOBJECT_CHECK(type, obj, name) \
+    ((type *)qobject_dynamic_cast_assert((QObject *)(obj), (name)))
+
+/**
+ * @QOBJECT_CLASS_CHECK
+ *
+ * A type safe version of @qobject_check_class.  This macro is typically wrapped
+ * by each type to perform type safe casts of a class to a specific class type.
+ */
+#define QOBJECT_CLASS_CHECK(class, obj, name) \
+    ((class *)qobject_check_class((QObjectClass *)(obj), (name)))
+
+/**
+ * @QOBJECT_GET_CLASS
+ *
+ * This function will return a specific class for a given object.  Its generally
+ * used by each type to provide a type safe macro to get a specific class type
+ * from an object.
+ */
+#define QOBJECT_GET_CLASS(class, obj, name) \
+    QOBJECT_CLASS_CHECK(class, qobject_get_class(QOBJECT(obj)), name)
+
+/**
+ * @QQInterface:
+ *
+ * The base for all QInterfaces.  This is a subclass of QObject.  Subclasses
+ * of @QInterface should never have an instance that contains anything other
+ * than a single @QInterface member.
+ */ 
+struct QInterface
+{
+    /**
+     * @parent base class
+     */
+    QObject parent;
+
+    /* private */
+
+    /**
+     * @obj a pointer to the object that implements this interface.  This is
+     * used to allow casting from an interface to the base object.
+     */
+    QObject *obj;
+};
+
+/**
+ * @QInterfaceClass:
+ *
+ * The class for all interfaces.  Subclasses of this class should only add
+ * virtual methods.
+ */
+struct QInterfaceClass
+{
+    /**
+     * @parent_class the base class
+     */
+    QObjectClass parent_class;
+};
+
+/**
+ * @QInterfaceInfo:
+ *
+ * The information associated with an interface.
+ */
+struct QInterfaceInfo
+{
+    /**
+     * @type the name of the interface
+     */
+    const char *type;
+
+    /**
+     * @interface_initfn is called during class initialization and is used to
+     * initialize an interface associated with a class.  This function should
+     * initialize any default virtual functions for a class and/or override
+     * virtual functions in a parent class.
+     */
+    void (*interface_initfn)(QObjectClass *class);
+};
+
+#define TYPE_QINTERFACE "interface"
+#define QINTERFACE(obj) QOBJECT_CHECK(QInterface, obj, TYPE_QINTERFACE)
+
+/**
+ * @qobject_new:
+ *
+ * This function will initialize a new object using heap allocated memory.  This
+ * function should be paired with @qobject_delete to free the resources
+ * associated with the object.
+ *
+ * @typename: The name of the type of the object to instantiate
+ *
+ * Returns:   The newly allocated and instantiated object.
+ *
+ */
+QObject *qobject_new(const char *typename);
+
+/**
+ * @qobject_delete:
+ *
+ * Finalize an object and then free the memory associated with it.  This should
+ * be paired with @qobject_new to free the resources associated with an object.
+ *
+ * @obj:  The object to free.
+ *
+ */
+void qobject_delete(QObject *obj);
+
+/**
+ * @qobject_initialize:
+ *
+ * This function will initialize an object.  The memory for the object should
+ * have already been allocated.
+ *
+ * @obj:      A pointer to the memory to be used for the object.
+ *
+ * @typename: The name of the type of the object to instantiate
+ *
+ */
+void qobject_initialize(void *obj, const char *typename);
+
+/**
+ * @qobject_finalize:
+ *
+ * This function destroys and object without freeing the memory associated with
+ * it.
+ *
+ * @obj:  The object to finalize.
+ *
+ */
+void qobject_finalize(void *obj);
+
+/**
+ * @qobject_dynamic_cast:
+ *
+ * This function will determine if @obj is-a @typename.  @obj can refer to an
+ * object or an interface associated with an object.
+ *
+ * @obj:       The object to cast.
+ *
+ * @typename:  The @typename
+ *
+ * Returns:
+ *
+ */
+QObject *qobject_dynamic_cast(QObject *obj, const char *typename);
+
+/**
+ * @qobject_dynamic_cast_assert:
+ *
+ * @obj:
+ *
+ * @typename:
+ *
+ * Returns:
+ *
+ */
+QObject *qobject_dynamic_cast_assert(QObject *obj, const char *typename);
+
+/**
+ * @qobject_is_type:
+ *
+ * @obj:
+ *
+ * @typename:
+ *
+ * Returns:
+ *
+ */
+bool qobject_is_type(QObject *obj, const char *typename);
+
+/**
+ * @qobject_get_class:
+ *
+ * @obj:
+ *
+ * Returns:
+ *
+ */
+QObjectClass *qobject_get_class(QObject *obj);
+
+/**
+ * @qobject_get_type:
+ *
+ * @obj:
+ *
+ * Returns:
+ */
+const char *qobject_get_type(QObject *obj);
+
+/**
+ * @qobject_get_super:
+ *
+ * @obj:
+ *
+ * Returns:
+ */
+QObjectClass *qobject_get_super(QObject *obj);
+
+/**/
+
+/**
+ * @qtype_register_static:
+ *
+ * @info:
+ *
+ * Returns:
+ */
+QType qtype_register_static(const QTypeInfo *info);
+
+/**
+ * @qobject_check_class:
+ *
+ * @obj:
+ *
+ * @typename:
+ *
+ * Returns:
+ */
+QObjectClass *qobject_check_class(QObjectClass *obj, const char *typename);
+
+/**
+ * @qtype_get_by_name:
+ *
+ * @name:
+ *
+ * Returns:
+ */
+QType qtype_get_by_name(const char *name);
+
+/**
+ * @qtype_get_name:
+ *
+ * @type:
+ *
+ * Returns:
+ */
+const char *qtype_get_name(QType type);
+
+#endif
-- 
1.7.4.1