qapi: merge QInt and QFloat in QNum

We would like to use a same QObject type to represent numbers, whether
they are int, uint, or floats. Getters will allow some compatibility
between the various types if the number fits other representations.

Add a few more tests while at it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170607163635.17635-7-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[parse_stats_intervals() simplified a bit, comment in
test_visitor_in_int_overflow() tidied up, suppress bogus warnings]
Signed-off-by: Markus Armbruster <armbru@redhat.com>

MAINTAINERS

@@ -1411,8 +1411,7 @@ F: include/qapi/qmp/
 X: include/qapi/qmp/dispatch.h
 F: scripts/coccinelle/qobject.cocci
 F: tests/check-qdict.c
-F: tests/check-qfloat.c
-F: tests/check-qint.c
+F: tests/check-qnum.c
 F: tests/check-qjson.c
 F: tests/check-qlist.c
 F: tests/check-qstring.c

block/blkdebug.c

@@ -31,7 +31,6 @@
 #include "qemu/module.h"
 #include "qapi/qmp/qbool.h"
 #include "qapi/qmp/qdict.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qstring.h"
 #include "sysemu/qtest.h"
 

block/nbd.c

@@ -37,7 +37,6 @@
 #include "qapi/qobject-output-visitor.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qjson.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qstring.h"
 #include "qemu/cutils.h"
 

block/nfs.c

@@ -36,7 +36,6 @@
 #include "qemu/cutils.h"
 #include "sysemu/sysemu.h"
 #include "qapi/qmp/qdict.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qstring.h"
 #include "qapi-visit.h"
 #include "qapi/qobject-input-visitor.h"

block/qapi.c

@@ -595,9 +595,11 @@ static void dump_qobject(fprintf_function func_fprintf, void *f,
                          int comp_indent, QObject *obj)
 {
     switch (qobject_type(obj)) {
-        case QTYPE_QINT: {
-            QInt *value = qobject_to_qint(obj);
-            func_fprintf(f, "%" PRId64, qint_get_int(value));
+        case QTYPE_QNUM: {
+            QNum *value = qobject_to_qnum(obj);
+            char *tmp = qnum_to_string(value);
+            func_fprintf(f, "%s", tmp);
+            g_free(tmp);
             break;
         }
         case QTYPE_QSTRING: {
@@ -615,11 +617,6 @@ static void dump_qobject(fprintf_function func_fprintf, void *f,
             dump_qlist(func_fprintf, f, comp_indent, value);
             break;
         }
-        case QTYPE_QFLOAT: {
-            QFloat *value = qobject_to_qfloat(obj);
-            func_fprintf(f, "%g", qfloat_get_double(value));
-            break;
-        }
         case QTYPE_QBOOL: {
             QBool *value = qobject_to_qbool(obj);
             func_fprintf(f, "%s", qbool_get_bool(value) ? "true" : "false");

block/quorum.c

@@ -19,7 +19,6 @@
 #include "qapi/qmp/qbool.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qerror.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qjson.h"
 #include "qapi/qmp/qlist.h"
 #include "qapi/qmp/qstring.h"

block/sheepdog.c

@@ -16,7 +16,6 @@
 #include "qapi-visit.h"
 #include "qapi/error.h"
 #include "qapi/qmp/qdict.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qobject-input-visitor.h"
 #include "qemu/uri.h"
 #include "qemu/error-report.h"

block/ssh.c

@@ -34,7 +34,6 @@
 #include "qemu/sockets.h"
 #include "qemu/uri.h"
 #include "qapi-visit.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qstring.h"
 #include "qapi/qobject-input-visitor.h"
 #include "qapi/qobject-output-visitor.h"

block/vvfat.c

@@ -29,7 +29,6 @@
 #include "qemu/module.h"
 #include "qemu/bswap.h"
 #include "migration/blocker.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qbool.h"
 #include "qapi/qmp/qstring.h"
 #include "qemu/cutils.h"

blockdev.c

@@ -334,8 +334,9 @@ static bool parse_stats_intervals(BlockAcctStats *stats, QList *intervals,
             break;
         }
 
-        case QTYPE_QINT: {
-            int64_t length = qint_get_int(qobject_to_qint(entry->value));
+        case QTYPE_QNUM: {
+            int64_t length = qnum_get_int(qobject_to_qnum(entry->value));
+
             if (length > 0 && length <= UINT_MAX) {
                 block_acct_add_interval(stats, (unsigned) length);
             } else {

hw/acpi/pcihp.c

@@ -37,7 +37,6 @@
 #include "hw/pci/pci_bus.h"
 #include "qapi/error.h"
 #include "qom/qom-qobject.h"
-#include "qapi/qmp/qint.h"
 
 //#define DEBUG
 

hw/i386/acpi-build.c

@@ -57,7 +57,6 @@
 
 #include "hw/acpi/aml-build.h"
 
-#include "qapi/qmp/qint.h"
 #include "qom/qom-qobject.h"
 #include "hw/i386/amd_iommu.h"
 #include "hw/i386/intel_iommu.h"
@@ -150,21 +149,21 @@ static void acpi_get_pm_info(AcpiPmInfo *pm)
     /* Fill in optional s3/s4 related properties */
     o = object_property_get_qobject(obj, ACPI_PM_PROP_S3_DISABLED, NULL);
     if (o) {
-        pm->s3_disabled = qint_get_int(qobject_to_qint(o));
+        pm->s3_disabled = qnum_get_int(qobject_to_qnum(o));
     } else {
         pm->s3_disabled = false;
     }
     qobject_decref(o);
     o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_DISABLED, NULL);
     if (o) {
-        pm->s4_disabled = qint_get_int(qobject_to_qint(o));
+        pm->s4_disabled = qnum_get_int(qobject_to_qnum(o));
     } else {
         pm->s4_disabled = false;
     }
     qobject_decref(o);
     o = object_property_get_qobject(obj, ACPI_PM_PROP_S4_VAL, NULL);
     if (o) {
-        pm->s4_val = qint_get_int(qobject_to_qint(o));
+        pm->s4_val = qnum_get_int(qobject_to_qnum(o));
     } else {
         pm->s4_val = false;
     }
@@ -529,7 +528,7 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
 
     bsel = object_property_get_qobject(OBJECT(bus), ACPI_PCIHP_PROP_BSEL, NULL);
     if (bsel) {
-        int64_t bsel_val = qint_get_int(qobject_to_qint(bsel));
+        int64_t bsel_val = qnum_get_int(qobject_to_qnum(bsel));
 
         aml_append(parent_scope, aml_name_decl("BSEL", aml_int(bsel_val)));
         notify_method = aml_method("DVNT", 2, AML_NOTSERIALIZED);
@@ -639,7 +638,8 @@ static void build_append_pci_bus_devices(Aml *parent_scope, PCIBus *bus,
 
     /* If bus supports hotplug select it and notify about local events */
     if (bsel) {
-        int64_t bsel_val = qint_get_int(qobject_to_qint(bsel));
+        int64_t bsel_val = qnum_get_int(qobject_to_qnum(bsel));
+
         aml_append(method, aml_store(aml_int(bsel_val), aml_name("BNUM")));
         aml_append(method,
             aml_call2("DVNT", aml_name("PCIU"), aml_int(1) /* Device Check */)
@@ -2614,12 +2614,12 @@ static bool acpi_get_mcfg(AcpiMcfgInfo *mcfg)
     if (!o) {
         return false;
     }
-    mcfg->mcfg_base = qint_get_int(qobject_to_qint(o));
+    mcfg->mcfg_base = qnum_get_int(qobject_to_qnum(o));
     qobject_decref(o);
 
     o = object_property_get_qobject(pci_host, PCIE_HOST_MCFG_SIZE, NULL);
     assert(o);
-    mcfg->mcfg_size = qint_get_int(qobject_to_qint(o));
+    mcfg->mcfg_size = qnum_get_int(qobject_to_qnum(o));
     qobject_decref(o);
     return true;
 }

hw/usb/xen-usb.c

@@ -30,7 +30,6 @@
 #include "hw/xen/xen_backend.h"
 #include "monitor/qdev.h"
 #include "qapi/qmp/qbool.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qstring.h"
 
 #include "hw/xen/io/ring.h"

include/qapi/qmp/qdict.h

@@ -15,6 +15,7 @@
 
 #include "qapi/qmp/qobject.h"
 #include "qapi/qmp/qlist.h"
+#include "qapi/qmp/qnum.h"
 #include "qemu/queue.h"
 
 #define QDICT_BUCKET_MAX 512
@@ -54,7 +55,7 @@ void qdict_destroy_obj(QObject *obj);
 
 /* Helpers for int, bool, and string */
 #define qdict_put_int(qdict, key, value) \
-        qdict_put(qdict, key, qint_from_int(value))
+        qdict_put(qdict, key, qnum_from_int(value))
 #define qdict_put_bool(qdict, key, value) \
         qdict_put(qdict, key, qbool_from_bool(value))
 #define qdict_put_str(qdict, key, value) \

include/qapi/qmp/qfloat.h

@@ -1,29 +0,0 @@
-/*
- * QFloat Module
- *
- * Copyright IBM, Corp. 2009
- *
- * Authors:
- *  Anthony Liguori   <aliguori@us.ibm.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
-
-#ifndef QFLOAT_H
-#define QFLOAT_H
-
-#include "qapi/qmp/qobject.h"
-
-typedef struct QFloat {
-    QObject base;
-    double value;
-} QFloat;
-
-QFloat *qfloat_from_double(double value);
-double qfloat_get_double(const QFloat *qi);
-QFloat *qobject_to_qfloat(const QObject *obj);
-void qfloat_destroy_obj(QObject *obj);
-
-#endif /* QFLOAT_H */

include/qapi/qmp/qint.h

@@ -1,28 +0,0 @@
-/*
- * QInt Module
- *
- * Copyright (C) 2009 Red Hat Inc.
- *
- * Authors:
- *  Luiz Capitulino <lcapitulino@redhat.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- */
-
-#ifndef QINT_H
-#define QINT_H
-
-#include "qapi/qmp/qobject.h"
-
-typedef struct QInt {
-    QObject base;
-    int64_t value;
-} QInt;
-
-QInt *qint_from_int(int64_t value);
-int64_t qint_get_int(const QInt *qi);
-QInt *qobject_to_qint(const QObject *obj);
-void qint_destroy_obj(QObject *obj);
-
-#endif /* QINT_H */

include/qapi/qmp/qlist.h

@@ -14,6 +14,7 @@
 #define QLIST_H
 
 #include "qapi/qmp/qobject.h"
+#include "qapi/qmp/qnum.h"
 #include "qemu/queue.h"
 
 typedef struct QListEntry {
@@ -31,7 +32,7 @@ typedef struct QList {
 
 /* Helpers for int, bool, and string */
 #define qlist_append_int(qlist, value) \
-        qlist_append(qlist, qint_from_int(value))
+        qlist_append(qlist, qnum_from_int(value))
 #define qlist_append_bool(qlist, value) \
         qlist_append(qlist, qbool_from_bool(value))
 #define qlist_append_str(qlist, value) \

include/qapi/qmp/qnum.h

@@ -0,0 +1,46 @@
+/*
+ * QNum Module
+ *
+ * Copyright (C) 2009 Red Hat Inc.
+ *
+ * Authors:
+ *  Luiz Capitulino <lcapitulino@redhat.com>
+ *  Anthony Liguori <aliguori@us.ibm.com>
+ *  Marc-André Lureau <marcandre.lureau@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ */
+
+#ifndef QNUM_H
+#define QNUM_H
+
+#include "qapi/qmp/qobject.h"
+
+typedef enum {
+    QNUM_I64,
+    QNUM_DOUBLE
+} QNumKind;
+
+typedef struct QNum {
+    QObject base;
+    QNumKind kind;
+    union {
+        int64_t i64;
+        double dbl;
+    } u;
+} QNum;
+
+QNum *qnum_from_int(int64_t value);
+QNum *qnum_from_double(double value);
+
+bool qnum_get_try_int(const QNum *qn, int64_t *val);
+int64_t qnum_get_int(const QNum *qn);
+double qnum_get_double(QNum *qn);
+
+char *qnum_to_string(QNum *qn);
+
+QNum *qobject_to_qnum(const QObject *obj);
+void qnum_destroy_obj(QObject *obj);
+
+#endif /* QNUM_H */

include/qapi/qmp/types.h

@@ -14,8 +14,7 @@
 #define QAPI_QMP_TYPES_H
 
 #include "qapi/qmp/qobject.h"
-#include "qapi/qmp/qint.h"
-#include "qapi/qmp/qfloat.h"
+#include "qapi/qmp/qnum.h"
 #include "qapi/qmp/qbool.h"
 #include "qapi/qmp/qstring.h"
 #include "qapi/qmp/qdict.h"

include/qapi/qobject-input-visitor.h

@@ -30,9 +30,9 @@ typedef struct QObjectInputVisitor QObjectInputVisitor;
  * visit_type_FOO() creates an instance of QAPI type FOO.  The visited
  * QObject must match FOO.  QDict matches struct/union types, QList
  * matches list types, QString matches type 'str' and enumeration
- * types, QInt matches integer types, QFloat matches type 'number',
- * QBool matches type 'bool'.  Type 'any' is matched by QObject.  A
- * QAPI alternate type is matched when one of its member types is.
+ * types, QNum matches integer and float types, QBool matches type
+ * 'bool'.  Type 'any' is matched by QObject.  A QAPI alternate type
+ * is matched when one of its member types is.
  *
  * visit_start_struct() ... visit_end_struct() visits a QDict and
  * creates a QAPI struct/union.  Visits in between visit the

include/qapi/qobject-output-visitor.h

@@ -28,10 +28,10 @@ typedef struct QObjectOutputVisitor QObjectOutputVisitor;
  *
  * visit_type_FOO() creates a QObject for QAPI type FOO.  It creates a
  * QDict for struct/union types, a QList for list types, QString for
- * type 'str' and enumeration types, QInt for integer types, QFloat
- * for type 'number', QBool for type 'bool'.  For type 'any', it
- * increments the QObject's reference count.  For QAPI alternate
- * types, it creates the QObject for the member that is in use.
+ * type 'str' and enumeration types, QNum for integer and float
+ * types, QBool for type 'bool'.  For type 'any', it increments the
+ * QObject's reference count.  For QAPI alternate types, it creates
+ * the QObject for the member that is in use.
  *
  * visit_start_struct() ... visit_end_struct() visits a QAPI
  * struct/union and creates a QDict.  Visits in between visit the

monitor.c

@@ -2974,7 +2974,7 @@ static QDict *monitor_parse_arguments(Monitor *mon,
                     monitor_printf(mon, "Unknown unit suffix\n");
                     goto fail;
                 }
-                qdict_put(qdict, key, qfloat_from_double(val));
+                qdict_put(qdict, key, qnum_from_double(val));
             }
             break;
         case 'b':

qapi/qobject-input-visitor.c

@@ -378,9 +378,6 @@ static void qobject_input_start_alternate(Visitor *v, const char *name,
     }
     *obj = g_malloc0(size);
     (*obj)->type = qobject_type(qobj);
-    if (promote_int && (*obj)->type == QTYPE_QINT) {
-        (*obj)->type = QTYPE_QFLOAT;
-    }
 }
 
 static void qobject_input_type_int64(Visitor *v, const char *name, int64_t *obj,
@@ -388,22 +385,18 @@ static void qobject_input_type_int64(Visitor *v, const char *name, int64_t *obj,
 {
     QObjectInputVisitor *qiv = to_qiv(v);
     QObject *qobj = qobject_input_get_object(qiv, name, true, errp);
-    QInt *qint;
+    QNum *qnum;
 
     if (!qobj) {
         return;
     }
-    qint = qobject_to_qint(qobj);
-    if (!qint) {
+    qnum = qobject_to_qnum(qobj);
+    if (!qnum || !qnum_get_try_int(qnum, obj)) {
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
                    full_name(qiv, name), "integer");
-        return;
     }
-
-    *obj = qint_get_int(qint);
 }
 
-
 static void qobject_input_type_int64_keyval(Visitor *v, const char *name,
                                             int64_t *obj, Error **errp)
 {
@@ -424,22 +417,21 @@ static void qobject_input_type_int64_keyval(Visitor *v, const char *name,
 static void qobject_input_type_uint64(Visitor *v, const char *name,
                                       uint64_t *obj, Error **errp)
 {
-    /* FIXME: qobject_to_qint mishandles values over INT64_MAX */
+    /* FIXME: qobject_to_qnum mishandles values over INT64_MAX */
     QObjectInputVisitor *qiv = to_qiv(v);
     QObject *qobj = qobject_input_get_object(qiv, name, true, errp);
-    QInt *qint;
+    QNum *qnum;
+    int64_t val;
 
     if (!qobj) {
         return;
     }
-    qint = qobject_to_qint(qobj);
-    if (!qint) {
+    qnum = qobject_to_qnum(qobj);
+    if (!qnum || !qnum_get_try_int(qnum, &val)) {
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
                    full_name(qiv, name), "integer");
-        return;
     }
-
-    *obj = qint_get_int(qint);
+    *obj = val;
 }
 
 static void qobject_input_type_uint64_keyval(Visitor *v, const char *name,
@@ -534,26 +526,19 @@ static void qobject_input_type_number(Visitor *v, const char *name, double *obj,
 {
     QObjectInputVisitor *qiv = to_qiv(v);
     QObject *qobj = qobject_input_get_object(qiv, name, true, errp);
-    QInt *qint;
-    QFloat *qfloat;
+    QNum *qnum;
 
     if (!qobj) {
         return;
     }
-    qint = qobject_to_qint(qobj);
-    if (qint) {
-        *obj = qint_get_int(qobject_to_qint(qobj));
-        return;
-    }
-
-    qfloat = qobject_to_qfloat(qobj);
-    if (!qfloat) {
+    qnum = qobject_to_qnum(qobj);
+    if (!qnum) {
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE,
                    full_name(qiv, name), "number");
         return;
     }
 
-    *obj = qfloat_get_double(qobject_to_qfloat(qobj));
+    *obj = qnum_get_double(qnum);
 }
 
 static void qobject_input_type_number_keyval(Visitor *v, const char *name,

qapi/qobject-output-visitor.c

@@ -144,7 +144,7 @@ static void qobject_output_type_int64(Visitor *v, const char *name,
                                       int64_t *obj, Error **errp)
 {
     QObjectOutputVisitor *qov = to_qov(v);
-    qobject_output_add(qov, name, qint_from_int(*obj));
+    qobject_output_add(qov, name, qnum_from_int(*obj));
 }
 
 static void qobject_output_type_uint64(Visitor *v, const char *name,
@@ -152,7 +152,7 @@ static void qobject_output_type_uint64(Visitor *v, const char *name,
 {
     /* FIXME values larger than INT64_MAX become negative */
     QObjectOutputVisitor *qov = to_qov(v);
-    qobject_output_add(qov, name, qint_from_int(*obj));
+    qobject_output_add(qov, name, qnum_from_int(*obj));
 }
 
 static void qobject_output_type_bool(Visitor *v, const char *name, bool *obj,
@@ -177,7 +177,7 @@ static void qobject_output_type_number(Visitor *v, const char *name,
                                        double *obj, Error **errp)
 {
     QObjectOutputVisitor *qov = to_qov(v);
-    qobject_output_add(qov, name, qfloat_from_double(*obj));
+    qobject_output_add(qov, name, qnum_from_double(*obj));
 }
 
 static void qobject_output_type_any(Visitor *v, const char *name,

qga/commands.c

@@ -485,7 +485,7 @@ int ga_parse_whence(GuestFileWhence *whence, Error **errp)
 {
     /* Exploit the fact that we picked values to match QGA_SEEK_*. */
     if (whence->type == QTYPE_QSTRING) {
-        whence->type = QTYPE_QINT;
+        whence->type = QTYPE_QNUM;
         whence->u.value = whence->u.name;
     }
     switch (whence->u.value) {

qga/main.c

@@ -19,7 +19,6 @@
 #endif
 #include "qapi/qmp/json-streamer.h"
 #include "qapi/qmp/json-parser.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qjson.h"
 #include "qga/guest-agent-core.h"
 #include "qemu/module.h"

qobject/Makefile.objs

@@ -1,2 +1,2 @@
-util-obj-y = qnull.o qint.o qstring.o qdict.o qlist.o qfloat.o qbool.o
+util-obj-y = qnull.o qnum.o qstring.o qdict.o qlist.o qbool.o
 util-obj-y += qjson.o qobject.o json-lexer.o json-streamer.o json-parser.o

qobject/json-parser.c

@@ -466,16 +466,16 @@ static QObject *parse_escape(JSONParserContext *ctxt, va_list *ap)
     } else if (!strcmp(token->str, "%i")) {
         return QOBJECT(qbool_from_bool(va_arg(*ap, int)));
     } else if (!strcmp(token->str, "%d")) {
-        return QOBJECT(qint_from_int(va_arg(*ap, int)));
+        return QOBJECT(qnum_from_int(va_arg(*ap, int)));
     } else if (!strcmp(token->str, "%ld")) {
-        return QOBJECT(qint_from_int(va_arg(*ap, long)));
+        return QOBJECT(qnum_from_int(va_arg(*ap, long)));
     } else if (!strcmp(token->str, "%lld") ||
                !strcmp(token->str, "%I64d")) {
-        return QOBJECT(qint_from_int(va_arg(*ap, long long)));
+        return QOBJECT(qnum_from_int(va_arg(*ap, long long)));
     } else if (!strcmp(token->str, "%s")) {
         return QOBJECT(qstring_from_str(va_arg(*ap, const char *)));
     } else if (!strcmp(token->str, "%f")) {
-        return QOBJECT(qfloat_from_double(va_arg(*ap, double)));
+        return QOBJECT(qnum_from_double(va_arg(*ap, double)));
     }
     return NULL;
 }
@@ -491,24 +491,22 @@ static QObject *parse_literal(JSONParserContext *ctxt)
     case JSON_STRING:
         return QOBJECT(qstring_from_escaped_str(ctxt, token));
     case JSON_INTEGER: {
-        /* A possibility exists that this is a whole-valued float where the
-         * fractional part was left out due to being 0 (.0). It's not a big
-         * deal to treat these as ints in the parser, so long as users of the
-         * resulting QObject know to expect a QInt in place of a QFloat in
-         * cases like these.
+        /*
+         * Represent JSON_INTEGER as QNUM_I64 if possible, else as
+         * QNUM_DOUBLE.  Note that strtoll() fails with ERANGE when
+         * it's not possible.
          *
-         * However, in some cases these values will overflow/underflow a
-         * QInt/int64 container, thus we should assume these are to be handled
-         * as QFloats/doubles rather than silently changing their values.
-         *
-         * strtoll() indicates these instances by setting errno to ERANGE
+         * qnum_get_int() will then work for any signed 64-bit
+         * JSON_INTEGER, and qnum_get_double() both for any
+         * JSON_INTEGER and any JSON_FLOAT (with precision loss for
+         * integers beyond 53 bits)
          */
         int64_t value;
 
         errno = 0; /* strtoll doesn't set errno on success */
         value = strtoll(token->str, NULL, 10);
         if (errno != ERANGE) {
-            return QOBJECT(qint_from_int(value));
+            return QOBJECT(qnum_from_int(value));
         }
         /* fall through to JSON_FLOAT */
     }
@@ -516,7 +514,7 @@ static QObject *parse_literal(JSONParserContext *ctxt)
         /* FIXME dependent on locale; a pervasive issue in QEMU */
         /* FIXME our lexer matches RFC 7159 in forbidding Inf or NaN,
          * but those might be useful extensions beyond JSON */
-        return QOBJECT(qfloat_from_double(strtod(token->str, NULL)));
+        return QOBJECT(qnum_from_double(strtod(token->str, NULL)));
     default:
         abort();
     }

qobject/qdict.c

@@ -11,8 +11,7 @@
  */
 
 #include "qemu/osdep.h"
-#include "qapi/qmp/qint.h"
-#include "qapi/qmp/qfloat.h"
+#include "qapi/qmp/qnum.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qbool.h"
 #include "qapi/qmp/qstring.h"
@@ -180,37 +179,26 @@ size_t qdict_size(const QDict *qdict)
 /**
  * qdict_get_double(): Get an number mapped by 'key'
  *
- * This function assumes that 'key' exists and it stores a
- * QFloat or QInt object.
+ * This function assumes that 'key' exists and it stores a QNum.
  *
  * Return number mapped by 'key'.
  */
 double qdict_get_double(const QDict *qdict, const char *key)
 {
-    QObject *obj = qdict_get(qdict, key);
-
-    assert(obj);
-    switch (qobject_type(obj)) {
-    case QTYPE_QFLOAT:
-        return qfloat_get_double(qobject_to_qfloat(obj));
-    case QTYPE_QINT:
-        return qint_get_int(qobject_to_qint(obj));
-    default:
-        abort();
-    }
+    return qnum_get_double(qobject_to_qnum(qdict_get(qdict, key)));
 }
 
 /**
  * qdict_get_int(): Get an integer mapped by 'key'
  *
  * This function assumes that 'key' exists and it stores a
- * QInt object.
+ * QNum representable as int.
  *
  * Return integer mapped by 'key'.
  */
 int64_t qdict_get_int(const QDict *qdict, const char *key)
 {
-    return qint_get_int(qobject_to_qint(qdict_get(qdict, key)));
+    return qnum_get_int(qobject_to_qnum(qdict_get(qdict, key)));
 }
 
 /**
@@ -259,16 +247,21 @@ const char *qdict_get_str(const QDict *qdict, const char *key)
 /**
  * qdict_get_try_int(): Try to get integer mapped by 'key'
  *
- * Return integer mapped by 'key', if it is not present in
- * the dictionary or if the stored object is not of QInt type
- * 'def_value' will be returned.
+ * Return integer mapped by 'key', if it is not present in the
+ * dictionary or if the stored object is not a QNum representing an
+ * integer, 'def_value' will be returned.
  */
 int64_t qdict_get_try_int(const QDict *qdict, const char *key,
                           int64_t def_value)
 {
-    QInt *qint = qobject_to_qint(qdict_get(qdict, key));
+    QNum *qnum = qobject_to_qnum(qdict_get(qdict, key));
+    int64_t val;
+
+    if (!qnum || !qnum_get_try_int(qnum, &val)) {
+        return def_value;
+    }
 
-    return qint ? qint_get_int(qint) : def_value;
+    return val;
 }
 
 /**

qobject/qfloat.c

@@ -1,62 +0,0 @@
-/*
- * QFloat Module
- *
- * Copyright IBM, Corp. 2009
- *
- * Authors:
- *  Anthony Liguori   <aliguori@us.ibm.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
-
-#include "qemu/osdep.h"
-#include "qapi/qmp/qfloat.h"
-#include "qapi/qmp/qobject.h"
-#include "qemu-common.h"
-
-/**
- * qfloat_from_int(): Create a new QFloat from a float
- *
- * Return strong reference.
- */
-QFloat *qfloat_from_double(double value)
-{
-    QFloat *qf;
-
-    qf = g_malloc(sizeof(*qf));
-    qobject_init(QOBJECT(qf), QTYPE_QFLOAT);
-    qf->value = value;
-
-    return qf;
-}
-
-/**
- * qfloat_get_double(): Get the stored float
- */
-double qfloat_get_double(const QFloat *qf)
-{
-    return qf->value;
-}
-
-/**
- * qobject_to_qfloat(): Convert a QObject into a QFloat
- */
-QFloat *qobject_to_qfloat(const QObject *obj)
-{
-    if (!obj || qobject_type(obj) != QTYPE_QFLOAT) {
-        return NULL;
-    }
-    return container_of(obj, QFloat, base);
-}
-
-/**
- * qfloat_destroy_obj(): Free all memory allocated by a
- * QFloat object
- */
-void qfloat_destroy_obj(QObject *obj)
-{
-    assert(obj != NULL);
-    g_free(qobject_to_qfloat(obj));
-}

qobject/qint.c

@@ -1,61 +0,0 @@
-/*
- * QInt Module
- *
- * Copyright (C) 2009 Red Hat Inc.
- *
- * Authors:
- *  Luiz Capitulino <lcapitulino@redhat.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- */
-
-#include "qemu/osdep.h"
-#include "qapi/qmp/qint.h"
-#include "qapi/qmp/qobject.h"
-#include "qemu-common.h"
-
-/**
- * qint_from_int(): Create a new QInt from an int64_t
- *
- * Return strong reference.
- */
-QInt *qint_from_int(int64_t value)
-{
-    QInt *qi;
-
-    qi = g_malloc(sizeof(*qi));
-    qobject_init(QOBJECT(qi), QTYPE_QINT);
-    qi->value = value;
-
-    return qi;
-}
-
-/**
- * qint_get_int(): Get the stored integer
- */
-int64_t qint_get_int(const QInt *qi)
-{
-    return qi->value;
-}
-
-/**
- * qobject_to_qint(): Convert a QObject into a QInt
- */
-QInt *qobject_to_qint(const QObject *obj)
-{
-    if (!obj || qobject_type(obj) != QTYPE_QINT) {
-        return NULL;
-    }
-    return container_of(obj, QInt, base);
-}
-
-/**
- * qint_destroy_obj(): Free all memory allocated by a
- * QInt object
- */
-void qint_destroy_obj(QObject *obj)
-{
-    assert(obj != NULL);
-    g_free(qobject_to_qint(obj));
-}

qobject/qjson.c

@@ -132,12 +132,11 @@ static void to_json(const QObject *obj, QString *str, int pretty, int indent)
     case QTYPE_QNULL:
         qstring_append(str, "null");
         break;
-    case QTYPE_QINT: {
-        QInt *val = qobject_to_qint(obj);
-        char buffer[1024];
-
-        snprintf(buffer, sizeof(buffer), "%" PRId64, qint_get_int(val));
+    case QTYPE_QNUM: {
+        QNum *val = qobject_to_qnum(obj);
+        char *buffer = qnum_to_string(val);
         qstring_append(str, buffer);
+        g_free(buffer);
         break;
     }
     case QTYPE_QSTRING: {
@@ -234,34 +233,6 @@ static void to_json(const QObject *obj, QString *str, int pretty, int indent)
         qstring_append(str, "]");
         break;
     }
-    case QTYPE_QFLOAT: {
-        QFloat *val = qobject_to_qfloat(obj);
-        char buffer[1024];
-        int len;
-
-        /* FIXME: snprintf() is locale dependent; but JSON requires
-         * numbers to be formatted as if in the C locale. Dependence
-         * on C locale is a pervasive issue in QEMU. */
-        /* FIXME: This risks printing Inf or NaN, which are not valid
-         * JSON values. */
-        /* FIXME: the default precision of 6 for %f often causes
-         * rounding errors; we should be using DBL_DECIMAL_DIG (17),
-         * and only rounding to a shorter number if the result would
-         * still produce the same floating point value.  */
-        len = snprintf(buffer, sizeof(buffer), "%f", qfloat_get_double(val));
-        while (len > 0 && buffer[len - 1] == '0') {
-            len--;
-        }
-
-        if (len && buffer[len - 1] == '.') {
-            buffer[len - 1] = 0;
-        } else {
-            buffer[len] = 0;
-        }
-
-        qstring_append(str, buffer);
-        break;
-    }
     case QTYPE_QBOOL: {
         QBool *val = qobject_to_qbool(obj);
 

qobject/qnum.c

@@ -0,0 +1,159 @@
+/*
+ * QNum Module
+ *
+ * Copyright (C) 2009 Red Hat Inc.
+ *
+ * Authors:
+ *  Luiz Capitulino <lcapitulino@redhat.com>
+ *  Anthony Liguori <aliguori@us.ibm.com>
+ *  Marc-André Lureau <marcandre.lureau@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "qapi/qmp/qnum.h"
+#include "qapi/qmp/qobject.h"
+#include "qemu-common.h"
+
+/**
+ * qnum_from_int(): Create a new QNum from an int64_t
+ *
+ * Return strong reference.
+ */
+QNum *qnum_from_int(int64_t value)
+{
+    QNum *qn = g_new(QNum, 1);
+
+    qobject_init(QOBJECT(qn), QTYPE_QNUM);
+    qn->kind = QNUM_I64;
+    qn->u.i64 = value;
+
+    return qn;
+}
+
+/**
+ * qnum_from_double(): Create a new QNum from a double
+ *
+ * Return strong reference.
+ */
+QNum *qnum_from_double(double value)
+{
+    QNum *qn = g_new(QNum, 1);
+
+    qobject_init(QOBJECT(qn), QTYPE_QNUM);
+    qn->kind = QNUM_DOUBLE;
+    qn->u.dbl = value;
+
+    return qn;
+}
+
+/**
+ * qnum_get_try_int(): Get an integer representation of the number
+ *
+ * Return true on success.
+ */
+bool qnum_get_try_int(const QNum *qn, int64_t *val)
+{
+    switch (qn->kind) {
+    case QNUM_I64:
+        *val = qn->u.i64;
+        return true;
+    case QNUM_DOUBLE:
+        return false;
+    }
+
+    assert(0);
+    return false;
+}
+
+/**
+ * qnum_get_int(): Get an integer representation of the number
+ *
+ * assert() on failure.
+ */
+int64_t qnum_get_int(const QNum *qn)
+{
+    int64_t val;
+    bool success = qnum_get_try_int(qn, &val);
+    assert(success);
+    return val;
+}
+
+/**
+ * qnum_get_double(): Get a float representation of the number
+ *
+ * qnum_get_double() loses precision for integers beyond 53 bits.
+ */
+double qnum_get_double(QNum *qn)
+{
+    switch (qn->kind) {
+    case QNUM_I64:
+        return qn->u.i64;
+    case QNUM_DOUBLE:
+        return qn->u.dbl;
+    }
+
+    assert(0);
+    return 0.0;
+}
+
+char *qnum_to_string(QNum *qn)
+{
+    char *buffer;
+    int len;
+
+    switch (qn->kind) {
+    case QNUM_I64:
+        return g_strdup_printf("%" PRId64, qn->u.i64);
+    case QNUM_DOUBLE:
+        /* FIXME: snprintf() is locale dependent; but JSON requires
+         * numbers to be formatted as if in the C locale. Dependence
+         * on C locale is a pervasive issue in QEMU. */
+        /* FIXME: This risks printing Inf or NaN, which are not valid
+         * JSON values. */
+        /* FIXME: the default precision of 6 for %f often causes
+         * rounding errors; we should be using DBL_DECIMAL_DIG (17),
+         * and only rounding to a shorter number if the result would
+         * still produce the same floating point value.  */
+        buffer = g_strdup_printf("%f" , qn->u.dbl);
+        len = strlen(buffer);
+        while (len > 0 && buffer[len - 1] == '0') {
+            len--;
+        }
+
+        if (len && buffer[len - 1] == '.') {
+            buffer[len - 1] = 0;
+        } else {
+            buffer[len] = 0;
+        }
+
+        return buffer;
+    }
+
+    assert(0);
+    return NULL;
+}
+
+/**
+ * qobject_to_qnum(): Convert a QObject into a QNum
+ */
+QNum *qobject_to_qnum(const QObject *obj)
+{
+    if (!obj || qobject_type(obj) != QTYPE_QNUM) {
+        return NULL;
+    }
+    return container_of(obj, QNum, base);
+}
+
+/**
+ * qnum_destroy_obj(): Free all memory allocated by a
+ * QNum object
+ */
+void qnum_destroy_obj(QObject *obj)
+{
+    assert(obj != NULL);
+    g_free(qobject_to_qnum(obj));
+}

qobject/qobject.c

@@ -14,11 +14,10 @@
 static void (*qdestroy[QTYPE__MAX])(QObject *) = {
     [QTYPE_NONE] = NULL,               /* No such object exists */
     [QTYPE_QNULL] = NULL,              /* qnull_ is indestructible */
-    [QTYPE_QINT] = qint_destroy_obj,
+    [QTYPE_QNUM] = qnum_destroy_obj,
     [QTYPE_QSTRING] = qstring_destroy_obj,
     [QTYPE_QDICT] = qdict_destroy_obj,
     [QTYPE_QLIST] = qlist_destroy_obj,
-    [QTYPE_QFLOAT] = qfloat_destroy_obj,
     [QTYPE_QBOOL] = qbool_destroy_obj,
 };
 

qom/object.c

@@ -27,7 +27,6 @@
 #include "qom/qom-qobject.h"
 #include "qapi/qmp/qobject.h"
 #include "qapi/qmp/qbool.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qstring.h"
 
 #define MAX_INTERFACES 32
@@ -1190,28 +1189,27 @@ bool object_property_get_bool(Object *obj, const char *name,
 void object_property_set_int(Object *obj, int64_t value,
                              const char *name, Error **errp)
 {
-    QInt *qint = qint_from_int(value);
-    object_property_set_qobject(obj, QOBJECT(qint), name, errp);
+    QNum *qnum = qnum_from_int(value);
+    object_property_set_qobject(obj, QOBJECT(qnum), name, errp);
 
-    QDECREF(qint);
+    QDECREF(qnum);
 }
 
 int64_t object_property_get_int(Object *obj, const char *name,
                                 Error **errp)
 {
     QObject *ret = object_property_get_qobject(obj, name, errp);
-    QInt *qint;
+    QNum *qnum;
     int64_t retval;
 
     if (!ret) {
         return -1;
     }
-    qint = qobject_to_qint(ret);
-    if (!qint) {
+
+    qnum = qobject_to_qnum(ret);
+    if (!qnum || !qnum_get_try_int(qnum, &retval)) {
         error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "int");
         retval = -1;
-    } else {
-        retval = qint_get_int(qint);
     }
 
     qobject_decref(ret);

scripts/coccinelle/qobject.cocci

@@ -6,7 +6,7 @@ expression Obj, Key, E;
 - qdict_put_obj(Obj, Key, QOBJECT(E));
 + qdict_put(Obj, Key, E);
 |
-- qdict_put(Obj, Key, qint_from_int(E));
+- qdict_put(Obj, Key, qnum_from_int(E));
 + qdict_put_int(Obj, Key, E);
 |
 - qdict_put(Obj, Key, qbool_from_bool(E));
@@ -24,7 +24,7 @@ expression Obj, E;
 - qlist_append_obj(Obj, QOBJECT(E));
 + qlist_append(Obj, E);
 |
-- qlist_append(Obj, qint_from_int(E));
+- qlist_append(Obj, qnum_from_int(E));
 + qlist_append_int(Obj, E);
 |
 - qlist_append(Obj, qbool_from_bool(E));

scripts/qapi-visit.py

@@ -164,7 +164,7 @@ def gen_visit_alternate(name, variants):
     promote_int = 'true'
     ret = ''
     for var in variants.variants:
-        if var.type.alternate_qtype() == 'QTYPE_QINT':
+        if var.type.alternate_qtype() == 'QTYPE_QNUM':
             promote_int = 'false'
 
     ret += mcgen('''

scripts/qapi.py

@@ -21,18 +21,18 @@
 
 builtin_types = {
     'str':      'QTYPE_QSTRING',
-    'int':      'QTYPE_QINT',
-    'number':   'QTYPE_QFLOAT',
+    'int':      'QTYPE_QNUM',
+    'number':   'QTYPE_QNUM',
     'bool':     'QTYPE_QBOOL',
-    'int8':     'QTYPE_QINT',
-    'int16':    'QTYPE_QINT',
-    'int32':    'QTYPE_QINT',
-    'int64':    'QTYPE_QINT',
-    'uint8':    'QTYPE_QINT',
-    'uint16':   'QTYPE_QINT',
-    'uint32':   'QTYPE_QINT',
-    'uint64':   'QTYPE_QINT',
-    'size':     'QTYPE_QINT',
+    'int8':     'QTYPE_QNUM',
+    'int16':    'QTYPE_QNUM',
+    'int32':    'QTYPE_QNUM',
+    'int64':    'QTYPE_QNUM',
+    'uint8':    'QTYPE_QNUM',
+    'uint16':   'QTYPE_QNUM',
+    'uint32':   'QTYPE_QNUM',
+    'uint64':   'QTYPE_QNUM',
+    'size':     'QTYPE_QNUM',
     'any':      None,           # any QType possible, actually
     'QType':    'QTYPE_QSTRING',
 }
@@ -820,11 +820,9 @@ def check_alternate(expr, info):
                     if v in ['on', 'off']:
                         conflicting.add('QTYPE_QBOOL')
                     if re.match(r'[-+0-9.]', v): # lazy, could be tightened
-                        conflicting.add('QTYPE_QINT')
-                        conflicting.add('QTYPE_QFLOAT')
+                        conflicting.add('QTYPE_QNUM')
             else:
-                conflicting.add('QTYPE_QINT')
-                conflicting.add('QTYPE_QFLOAT')
+                conflicting.add('QTYPE_QNUM')
                 conflicting.add('QTYPE_QBOOL')
         if conflicting & set(types_seen):
             raise QAPISemError(info, "Alternate '%s' member '%s' can't "
@@ -1059,8 +1057,8 @@ def json_type(self):
     def alternate_qtype(self):
         json2qtype = {
             'string':  'QTYPE_QSTRING',
-            'number':  'QTYPE_QFLOAT',
-            'int':     'QTYPE_QINT',
+            'number':  'QTYPE_QNUM',
+            'int':     'QTYPE_QNUM',
             'boolean': 'QTYPE_QBOOL',
             'object':  'QTYPE_QDICT'
         }
@@ -1522,9 +1520,9 @@ def _def_predefineds(self):
         self.the_empty_object_type = QAPISchemaObjectType(
             'q_empty', None, None, None, [], None)
         self._def_entity(self.the_empty_object_type)
-        qtype_values = self._make_enum_members(['none', 'qnull', 'qint',
+        qtype_values = self._make_enum_members(['none', 'qnull', 'qnum',
                                                 'qstring', 'qdict', 'qlist',
-                                                'qfloat', 'qbool'])
+                                                'qbool'])
         self._def_entity(QAPISchemaEnumType('QType', None, None,
                                             qtype_values, 'QTYPE'))
 

target/i386/cpu.c

@@ -29,11 +29,7 @@
 #include "qemu/option.h"
 #include "qemu/config-file.h"
 #include "qapi/qmp/qerror.h"
-#include "qapi/qmp/qstring.h"
-#include "qapi/qmp/qdict.h"
-#include "qapi/qmp/qbool.h"
-#include "qapi/qmp/qint.h"
-#include "qapi/qmp/qfloat.h"
+#include "qapi/qmp/types.h"
 
 #include "qapi-types.h"
 #include "qapi-visit.h"

tests/.gitignore

@@ -1,7 +1,6 @@
 atomic_add-bench
 check-qdict
-check-qfloat
-check-qint
+check-qnum
 check-qjson
 check-qlist
 check-qnull

tests/Makefile.include

@@ -10,10 +10,8 @@ check-unit-y = tests/check-qdict$(EXESUF)
 gcov-files-check-qdict-y = qobject/qdict.c
 check-unit-y += tests/test-char$(EXESUF)
 gcov-files-check-qdict-y = chardev/char.c
-check-unit-y += tests/check-qfloat$(EXESUF)
-gcov-files-check-qfloat-y = qobject/qfloat.c
-check-unit-y += tests/check-qint$(EXESUF)
-gcov-files-check-qint-y = qobject/qint.c
+check-unit-y += tests/check-qnum$(EXESUF)
+gcov-files-check-qnum-y = qobject/qnum.c
 check-unit-y += tests/check-qstring$(EXESUF)
 gcov-files-check-qstring-y = qobject/qstring.c
 check-unit-y += tests/check-qlist$(EXESUF)
@@ -506,8 +504,8 @@ GENERATED_FILES += tests/test-qapi-types.h tests/test-qapi-visit.h \
 	tests/test-qmp-commands.h tests/test-qapi-event.h \
 	tests/test-qmp-introspect.h
 
-test-obj-y = tests/check-qint.o tests/check-qstring.o tests/check-qdict.o \
-	tests/check-qlist.o tests/check-qfloat.o tests/check-qnull.o \
+test-obj-y = tests/check-qnum.o tests/check-qstring.o tests/check-qdict.o \
+	tests/check-qlist.o tests/check-qnull.o \
 	tests/check-qjson.o \
 	tests/test-coroutine.o tests/test-string-output-visitor.o \
 	tests/test-string-input-visitor.o tests/test-qobject-output-visitor.o \
@@ -535,11 +533,10 @@ test-crypto-obj-y = $(crypto-obj-y) $(test-qom-obj-y)
 test-io-obj-y = $(io-obj-y) $(test-crypto-obj-y)
 test-block-obj-y = $(block-obj-y) $(test-io-obj-y) tests/iothread.o
 
-tests/check-qint$(EXESUF): tests/check-qint.o $(test-util-obj-y)
+tests/check-qnum$(EXESUF): tests/check-qnum.o $(test-util-obj-y)
 tests/check-qstring$(EXESUF): tests/check-qstring.o $(test-util-obj-y)
 tests/check-qdict$(EXESUF): tests/check-qdict.o $(test-util-obj-y)
 tests/check-qlist$(EXESUF): tests/check-qlist.o $(test-util-obj-y)
-tests/check-qfloat$(EXESUF): tests/check-qfloat.o $(test-util-obj-y)
 tests/check-qnull$(EXESUF): tests/check-qnull.o $(test-util-obj-y)
 tests/check-qjson$(EXESUF): tests/check-qjson.o $(test-util-obj-y)
 tests/check-qom-interface$(EXESUF): tests/check-qom-interface.o $(test-qom-obj-y)

tests/check-qdict.c

@@ -11,7 +11,6 @@
  */
 #include "qemu/osdep.h"
 
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qmp/qstring.h"
 #include "qapi/error.h"
@@ -39,7 +38,7 @@ static void qdict_new_test(void)
 
 static void qdict_put_obj_test(void)
 {
-    QInt *qi;
+    QNum *qn;
     QDict *qdict;
     QDictEntry *ent;
     const int num = 42;
@@ -51,11 +50,11 @@ static void qdict_put_obj_test(void)
 
     g_assert(qdict_size(qdict) == 1);
     ent = QLIST_FIRST(&qdict->table[12345 % QDICT_BUCKET_MAX]);
-    qi = qobject_to_qint(ent->value);
-    g_assert(qint_get_int(qi) == num);
+    qn = qobject_to_qnum(ent->value);
+    g_assert_cmpint(qnum_get_int(qn), ==, num);
 
     // destroy doesn't exit yet
-    QDECREF(qi);
+    QDECREF(qn);
     g_free(ent->key);
     g_free(ent);
     g_free(qdict);
@@ -74,7 +73,7 @@ static void qdict_destroy_simple_test(void)
 
 static void qdict_get_test(void)
 {
-    QInt *qi;
+    QNum *qn;
     QObject *obj;
     const int value = -42;
     const char *key = "test";
@@ -85,8 +84,8 @@ static void qdict_get_test(void)
     obj = qdict_get(tests_dict, key);
     g_assert(obj != NULL);
 
-    qi = qobject_to_qint(obj);
-    g_assert(qint_get_int(qi) == value);
+    qn = qobject_to_qnum(obj);
+    g_assert_cmpint(qnum_get_int(qn), ==, value);
 
     QDECREF(tests_dict);
 }
@@ -329,7 +328,7 @@ static void qdict_array_split_test(void)
 {
     QDict *test_dict = qdict_new();
     QDict *dict1, *dict2;
-    QInt *int1;
+    QNum *int1;
     QList *test_list;
 
     /*
@@ -380,7 +379,7 @@ static void qdict_array_split_test(void)
 
     dict1 = qobject_to_qdict(qlist_pop(test_list));
     dict2 = qobject_to_qdict(qlist_pop(test_list));
-    int1 = qobject_to_qint(qlist_pop(test_list));
+    int1 = qobject_to_qnum(qlist_pop(test_list));
 
     g_assert(dict1);
     g_assert(dict2);
@@ -402,7 +401,7 @@ static void qdict_array_split_test(void)
 
     QDECREF(dict2);
 
-    g_assert(qint_get_int(int1) == 66);
+    g_assert_cmpint(qnum_get_int(int1), ==, 66);
 
     QDECREF(int1);
 
@@ -447,14 +446,14 @@ static void qdict_array_split_test(void)
 
     qdict_array_split(test_dict, &test_list);
 
-    int1 = qobject_to_qint(qlist_pop(test_list));
+    int1 = qobject_to_qnum(qlist_pop(test_list));
 
     g_assert(int1);
     g_assert(qlist_empty(test_list));
 
     QDECREF(test_list);
 
-    g_assert(qint_get_int(int1) == 42);
+    g_assert_cmpint(qnum_get_int(int1), ==, 42);
 
     QDECREF(int1);
 

tests/check-qfloat.c

@@ -1,53 +0,0 @@
-/*
- * QFloat unit-tests.
- *
- * Copyright IBM, Corp. 2009
- *
- * Authors:
- *  Anthony Liguori   <aliguori@us.ibm.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- *
- */
-#include "qemu/osdep.h"
-
-#include "qapi/qmp/qfloat.h"
-#include "qemu-common.h"
-
-/*
- * Public Interface test-cases
- *
- * (with some violations to access 'private' data)
- */
-
-static void qfloat_from_double_test(void)
-{
-    QFloat *qf;
-    const double value = -42.23423;
-
-    qf = qfloat_from_double(value);
-    g_assert(qf != NULL);
-    g_assert(qf->value == value);
-    g_assert(qf->base.refcnt == 1);
-    g_assert(qobject_type(QOBJECT(qf)) == QTYPE_QFLOAT);
-
-    // destroy doesn't exit yet
-    g_free(qf);
-}
-
-static void qfloat_destroy_test(void)
-{
-    QFloat *qf = qfloat_from_double(0.0);
-    QDECREF(qf);
-}
-
-int main(int argc, char **argv)
-{
-    g_test_init(&argc, &argv, NULL);
-
-    g_test_add_func("/public/from_double", qfloat_from_double_test);
-    g_test_add_func("/public/destroy", qfloat_destroy_test);
-
-    return g_test_run();
-}

tests/check-qint.c

@@ -1,87 +0,0 @@
-/*
- * QInt unit-tests.
- *
- * Copyright (C) 2009 Red Hat Inc.
- *
- * Authors:
- *  Luiz Capitulino <lcapitulino@redhat.com>
- *
- * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
- * See the COPYING.LIB file in the top-level directory.
- */
-#include "qemu/osdep.h"
-
-#include "qapi/qmp/qint.h"
-#include "qemu-common.h"
-
-/*
- * Public Interface test-cases
- *
- * (with some violations to access 'private' data)
- */
-
-static void qint_from_int_test(void)
-{
-    QInt *qi;
-    const int value = -42;
-
-    qi = qint_from_int(value);
-    g_assert(qi != NULL);
-    g_assert(qi->value == value);
-    g_assert(qi->base.refcnt == 1);
-    g_assert(qobject_type(QOBJECT(qi)) == QTYPE_QINT);
-
-    // destroy doesn't exit yet
-    g_free(qi);
-}
-
-static void qint_destroy_test(void)
-{
-    QInt *qi = qint_from_int(0);
-    QDECREF(qi);
-}
-
-static void qint_from_int64_test(void)
-{
-    QInt *qi;
-    const int64_t value = 0x1234567890abcdefLL;
-
-    qi = qint_from_int(value);
-    g_assert((int64_t) qi->value == value);
-
-    QDECREF(qi);
-}
-
-static void qint_get_int_test(void)
-{
-    QInt *qi;
-    const int value = 123456;
-
-    qi = qint_from_int(value);
-    g_assert(qint_get_int(qi) == value);
-
-    QDECREF(qi);
-}
-
-static void qobject_to_qint_test(void)
-{
-    QInt *qi;
-
-    qi = qint_from_int(0);
-    g_assert(qobject_to_qint(QOBJECT(qi)) == qi);
-
-    QDECREF(qi);
-}
-
-int main(int argc, char **argv)
-{
-    g_test_init(&argc, &argv, NULL);
-
-    g_test_add_func("/public/from_int", qint_from_int_test);
-    g_test_add_func("/public/destroy", qint_destroy_test);
-    g_test_add_func("/public/from_int64", qint_from_int64_test);
-    g_test_add_func("/public/get_int", qint_get_int_test);
-    g_test_add_func("/public/to_qint", qobject_to_qint_test);
-
-    return g_test_run();
-}

tests/check-qjson.c

@@ -886,21 +886,23 @@ static void simple_number(void)
     };
 
     for (i = 0; test_cases[i].encoded; i++) {
-        QInt *qint;
+        QNum *qnum;
+        int64_t val;
 
-        qint = qobject_to_qint(qobject_from_json(test_cases[i].encoded,
+        qnum = qobject_to_qnum(qobject_from_json(test_cases[i].encoded,
                                                  &error_abort));
-        g_assert(qint);
-        g_assert(qint_get_int(qint) == test_cases[i].decoded);
+        g_assert(qnum);
+        g_assert(qnum_get_try_int(qnum, &val));
+        g_assert_cmpint(val, ==, test_cases[i].decoded);
         if (test_cases[i].skip == 0) {
             QString *str;
 
-            str = qobject_to_json(QOBJECT(qint));
+            str = qobject_to_json(QOBJECT(qnum));
             g_assert(strcmp(qstring_get_str(str), test_cases[i].encoded) == 0);
             QDECREF(str);
         }
 
-        QDECREF(qint);
+        QDECREF(qnum);
     }
 }
 
@@ -921,12 +923,12 @@ static void float_number(void)
 
     for (i = 0; test_cases[i].encoded; i++) {
         QObject *obj;
-        QFloat *qfloat;
+        QNum *qnum;
 
         obj = qobject_from_json(test_cases[i].encoded, &error_abort);
-        qfloat = qobject_to_qfloat(obj);
-        g_assert(qfloat);
-        g_assert(qfloat_get_double(qfloat) == test_cases[i].decoded);
+        qnum = qobject_to_qnum(obj);
+        g_assert(qnum);
+        g_assert(qnum_get_double(qnum) == test_cases[i].decoded);
 
         if (test_cases[i].skip == 0) {
             QString *str;
@@ -936,29 +938,31 @@ static void float_number(void)
             QDECREF(str);
         }
 
-        QDECREF(qfloat);
+        QDECREF(qnum);
     }
 }
 
 static void vararg_number(void)
 {
-    QInt *qint;
-    QFloat *qfloat;
+    QNum *qnum;
     int value = 0x2342;
     long long value_ll = 0x2342342343LL;
     double valuef = 2.323423423;
+    int64_t val;
 
-    qint = qobject_to_qint(qobject_from_jsonf("%d", value));
-    g_assert(qint_get_int(qint) == value);
-    QDECREF(qint);
+    qnum = qobject_to_qnum(qobject_from_jsonf("%d", value));
+    g_assert(qnum_get_try_int(qnum, &val));
+    g_assert_cmpint(val, ==, value);
+    QDECREF(qnum);
 
-    qint = qobject_to_qint(qobject_from_jsonf("%lld", value_ll));
-    g_assert(qint_get_int(qint) == value_ll);
-    QDECREF(qint);
+    qnum = qobject_to_qnum(qobject_from_jsonf("%lld", value_ll));
+    g_assert(qnum_get_try_int(qnum, &val));
+    g_assert_cmpint(val, ==, value_ll);
+    QDECREF(qnum);
 
-    qfloat = qobject_to_qfloat(qobject_from_jsonf("%f", valuef));
-    g_assert(qfloat_get_double(qfloat) == valuef);
-    QDECREF(qfloat);
+    qnum = qobject_to_qnum(qobject_from_jsonf("%f", valuef));
+    g_assert(qnum_get_double(qnum) == valuef);
+    QDECREF(qnum);
 }
 
 static void keyword_literal(void)
@@ -1019,7 +1023,7 @@ struct LiteralQObject
 {
     int type;
     union {
-        int64_t qint;
+        int64_t qnum;
         const char *qstr;
         LiteralQDictEntry *qdict;
         LiteralQObject *qlist;
@@ -1032,7 +1036,7 @@ struct LiteralQDictEntry
     LiteralQObject value;
 };
 
-#define QLIT_QINT(val) (LiteralQObject){.type = QTYPE_QINT, .value.qint = (val)}
+#define QLIT_QNUM(val) (LiteralQObject){.type = QTYPE_QNUM, .value.qnum = (val)}
 #define QLIT_QSTR(val) (LiteralQObject){.type = QTYPE_QSTRING, .value.qstr = (val)}
 #define QLIT_QDICT(val) (LiteralQObject){.type = QTYPE_QDICT, .value.qdict = (val)}
 #define QLIT_QLIST(val) (LiteralQObject){.type = QTYPE_QLIST, .value.qlist = (val)}
@@ -1064,13 +1068,16 @@ static void compare_helper(QObject *obj, void *opaque)
 
 static int compare_litqobj_to_qobj(LiteralQObject *lhs, QObject *rhs)
 {
+    int64_t val;
+
     if (!rhs || lhs->type != qobject_type(rhs)) {
         return 0;
     }
 
     switch (lhs->type) {
-    case QTYPE_QINT:
-        return lhs->value.qint == qint_get_int(qobject_to_qint(rhs));
+    case QTYPE_QNUM:
+        g_assert(qnum_get_try_int(qobject_to_qnum(rhs), &val));
+        return lhs->value.qnum == val;
     case QTYPE_QSTRING:
         return (strcmp(lhs->value.qstr, qstring_get_str(qobject_to_qstring(rhs))) == 0);
     case QTYPE_QDICT: {
@@ -1114,7 +1121,7 @@ static void simple_dict(void)
         {
             .encoded = "{\"foo\": 42, \"bar\": \"hello world\"}",
             .decoded = QLIT_QDICT(((LiteralQDictEntry[]){
-                        { "foo", QLIT_QINT(42) },
+                        { "foo", QLIT_QNUM(42) },
                         { "bar", QLIT_QSTR("hello world") },
                         { }
                     })),
@@ -1126,7 +1133,7 @@ static void simple_dict(void)
         }, {
             .encoded = "{\"foo\": 43}",
             .decoded = QLIT_QDICT(((LiteralQDictEntry[]){
-                        { "foo", QLIT_QINT(43) },
+                        { "foo", QLIT_QNUM(43) },
                         { }
                     })),
         },
@@ -1212,15 +1219,15 @@ static void simple_list(void)
         {
             .encoded = "[43,42]",
             .decoded = QLIT_QLIST(((LiteralQObject[]){
-                        QLIT_QINT(43),
-                        QLIT_QINT(42),
+                        QLIT_QNUM(43),
+                        QLIT_QNUM(42),
                         { }
                     })),
         },
         {
             .encoded = "[43]",
             .decoded = QLIT_QLIST(((LiteralQObject[]){
-                        QLIT_QINT(43),
+                        QLIT_QNUM(43),
                         { }
                     })),
         },
@@ -1269,35 +1276,35 @@ static void simple_whitespace(void)
         {
             .encoded = " [ 43 , 42 ]",
             .decoded = QLIT_QLIST(((LiteralQObject[]){
-                        QLIT_QINT(43),
-                        QLIT_QINT(42),
+                        QLIT_QNUM(43),
+                        QLIT_QNUM(42),
                         { }
                     })),
         },
         {
             .encoded = " [ 43 , { 'h' : 'b' }, [ ], 42 ]",
             .decoded = QLIT_QLIST(((LiteralQObject[]){
-                        QLIT_QINT(43),
+                        QLIT_QNUM(43),
                         QLIT_QDICT(((LiteralQDictEntry[]){
                                     { "h", QLIT_QSTR("b") },
                                     { }})),
                         QLIT_QLIST(((LiteralQObject[]){
                                     { }})),
-                        QLIT_QINT(42),
+                        QLIT_QNUM(42),
                         { }
                     })),
         },
         {
             .encoded = " [ 43 , { 'h' : 'b' , 'a' : 32 }, [ ], 42 ]",
             .decoded = QLIT_QLIST(((LiteralQObject[]){
-                        QLIT_QINT(43),
+                        QLIT_QNUM(43),
                         QLIT_QDICT(((LiteralQDictEntry[]){
                                     { "h", QLIT_QSTR("b") },
-                                    { "a", QLIT_QINT(32) },
+                                    { "a", QLIT_QNUM(32) },
                                     { }})),
                         QLIT_QLIST(((LiteralQObject[]){
                                     { }})),
-                        QLIT_QINT(42),
+                        QLIT_QNUM(42),
                         { }
                     })),
         },
@@ -1327,11 +1334,11 @@ static void simple_varargs(void)
     QObject *embedded_obj;
     QObject *obj;
     LiteralQObject decoded = QLIT_QLIST(((LiteralQObject[]){
-            QLIT_QINT(1),
-            QLIT_QINT(2),
+            QLIT_QNUM(1),
+            QLIT_QNUM(2),
             QLIT_QLIST(((LiteralQObject[]){
-                        QLIT_QINT(32),
-                        QLIT_QINT(42),
+                        QLIT_QNUM(32),
+                        QLIT_QNUM(42),
                         {}})),
             {}}));
 

tests/check-qlist.c

@@ -11,7 +11,8 @@
  */
 #include "qemu/osdep.h"
 
-#include "qapi/qmp/qint.h"
+#include "qapi/error.h"
+#include "qapi/qmp/qnum.h"
 #include "qapi/qmp/qlist.h"
 
 /*
@@ -35,11 +36,11 @@ static void qlist_new_test(void)
 
 static void qlist_append_test(void)
 {
-    QInt *qi;
+    QNum *qi;
     QList *qlist;
     QListEntry *entry;
 
-    qi = qint_from_int(42);
+    qi = qnum_from_int(42);
 
     qlist = qlist_new();
     qlist_append(qlist, qi);
@@ -84,13 +85,17 @@ static const int iter_max = 42;
 
 static void iter_func(QObject *obj, void *opaque)
 {
-    QInt *qi;
+    QNum *qi;
+    int64_t val;
 
     g_assert(opaque == NULL);
 
-    qi = qobject_to_qint(obj);
+    qi = qobject_to_qnum(obj);
     g_assert(qi != NULL);
-    g_assert((qint_get_int(qi) >= 0) && (qint_get_int(qi) <= iter_max));
+
+    g_assert(qnum_get_try_int(qi, &val));
+    g_assert_cmpint(val, >=, 0);
+    g_assert_cmpint(val, <=, iter_max);
 
     iter_called++;
 }

tests/check-qnum.c

@@ -0,0 +1,136 @@
+/*
+ * QNum unit-tests.
+ *
+ * Copyright (C) 2009 Red Hat Inc.
+ * Copyright IBM, Corp. 2009
+ *
+ * Authors:
+ *  Luiz Capitulino <lcapitulino@redhat.com>
+ *  Anthony Liguori <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING.LIB file in the top-level directory.
+ */
+
+#include "qemu/osdep.h"
+
+#include "qapi/qmp/qnum.h"
+#include "qapi/error.h"
+#include "qemu-common.h"
+
+/*
+ * Public Interface test-cases
+ *
+ * (with some violations to access 'private' data)
+ */
+
+static void qnum_from_int_test(void)
+{
+    QNum *qn;
+    const int value = -42;
+
+    qn = qnum_from_int(value);
+    g_assert(qn != NULL);
+    g_assert_cmpint(qn->kind, ==, QNUM_I64);
+    g_assert_cmpint(qn->u.i64, ==, value);
+    g_assert_cmpint(qn->base.refcnt, ==, 1);
+    g_assert_cmpint(qobject_type(QOBJECT(qn)), ==, QTYPE_QNUM);
+
+    // destroy doesn't exit yet
+    g_free(qn);
+}
+
+static void qnum_from_double_test(void)
+{
+    QNum *qn;
+    const double value = -42.23423;
+
+    qn = qnum_from_double(value);
+    g_assert(qn != NULL);
+    g_assert_cmpint(qn->kind, ==, QNUM_DOUBLE);
+    g_assert_cmpfloat(qn->u.dbl, ==, value);
+    g_assert_cmpint(qn->base.refcnt, ==, 1);
+    g_assert_cmpint(qobject_type(QOBJECT(qn)), ==, QTYPE_QNUM);
+
+    // destroy doesn't exit yet
+    g_free(qn);
+}
+
+static void qnum_from_int64_test(void)
+{
+    QNum *qn;
+    const int64_t value = 0x1234567890abcdefLL;
+
+    qn = qnum_from_int(value);
+    g_assert_cmpint((int64_t) qn->u.i64, ==, value);
+
+    QDECREF(qn);
+}
+
+static void qnum_get_int_test(void)
+{
+    QNum *qn;
+    const int value = 123456;
+
+    qn = qnum_from_int(value);
+    g_assert_cmpint(qnum_get_int(qn), ==, value);
+
+    QDECREF(qn);
+}
+
+static void qobject_to_qnum_test(void)
+{
+    QNum *qn;
+
+    qn = qnum_from_int(0);
+    g_assert(qobject_to_qnum(QOBJECT(qn)) == qn);
+    QDECREF(qn);
+
+    qn = qnum_from_double(0);
+    g_assert(qobject_to_qnum(QOBJECT(qn)) == qn);
+    QDECREF(qn);
+}
+
+static void qnum_to_string_test(void)
+{
+    QNum *qn;
+    char *tmp;
+
+    qn = qnum_from_int(123456);
+    tmp = qnum_to_string(qn);
+    g_assert_cmpstr(tmp, ==, "123456");
+    g_free(tmp);
+    QDECREF(qn);
+
+    qn = qnum_from_double(0.42);
+    tmp = qnum_to_string(qn);
+    g_assert_cmpstr(tmp, ==, "0.42");
+    g_free(tmp);
+    QDECREF(qn);
+}
+
+static void qnum_destroy_test(void)
+{
+    QNum *qn;
+
+    qn = qnum_from_int(0);
+    QDECREF(qn);
+
+    qn = qnum_from_double(0.42);
+    QDECREF(qn);
+}
+
+int main(int argc, char **argv)
+{
+    g_test_init(&argc, &argv, NULL);
+
+    g_test_add_func("/qnum/from_int", qnum_from_int_test);
+    g_test_add_func("/qnum/from_double", qnum_from_double_test);
+    g_test_add_func("/qnum/destroy", qnum_destroy_test);
+    g_test_add_func("/qnum/from_int64", qnum_from_int64_test);
+    g_test_add_func("/qnum/get_int", qnum_get_int_test);
+    g_test_add_func("/qnum/to_qnum", qobject_to_qnum_test);
+    g_test_add_func("/qnum/to_string", qnum_to_string_test);
+
+    return g_test_run();
+}

tests/qapi-schema/comments.out

@@ -1,4 +1,4 @@
-enum QType ['none', 'qnull', 'qint', 'qstring', 'qdict', 'qlist', 'qfloat', 'qbool']
+enum QType ['none', 'qnull', 'qnum', 'qstring', 'qdict', 'qlist', 'qbool']
     prefix QTYPE
 enum Status ['good', 'bad', 'ugly']
 object q_empty

tests/qapi-schema/doc-good.out

@@ -6,7 +6,7 @@ object Object
     tag base1
     case one: Variant1
     case two: Variant2
-enum QType ['none', 'qnull', 'qint', 'qstring', 'qdict', 'qlist', 'qfloat', 'qbool']
+enum QType ['none', 'qnull', 'qnum', 'qstring', 'qdict', 'qlist', 'qbool']
     prefix QTYPE
 object SugaredUnion
     member type: SugaredUnionKind optional=False

tests/qapi-schema/empty.out

@@ -1,3 +1,3 @@
-enum QType ['none', 'qnull', 'qint', 'qstring', 'qdict', 'qlist', 'qfloat', 'qbool']
+enum QType ['none', 'qnull', 'qnum', 'qstring', 'qdict', 'qlist', 'qbool']
     prefix QTYPE
 object q_empty

tests/qapi-schema/event-case.out

@@ -1,4 +1,4 @@
-enum QType ['none', 'qnull', 'qint', 'qstring', 'qdict', 'qlist', 'qfloat', 'qbool']
+enum QType ['none', 'qnull', 'qnum', 'qstring', 'qdict', 'qlist', 'qbool']
     prefix QTYPE
 event oops None
    boxed=False

tests/qapi-schema/ident-with-escape.out

@@ -1,4 +1,4 @@
-enum QType ['none', 'qnull', 'qint', 'qstring', 'qdict', 'qlist', 'qfloat', 'qbool']
+enum QType ['none', 'qnull', 'qnum', 'qstring', 'qdict', 'qlist', 'qbool']
     prefix QTYPE
 command fooA q_obj_fooA-arg -> None
    gen=True success_response=True boxed=False

tests/qapi-schema/include-relpath.out

@@ -1,4 +1,4 @@
-enum QType ['none', 'qnull', 'qint', 'qstring', 'qdict', 'qlist', 'qfloat', 'qbool']
+enum QType ['none', 'qnull', 'qnum', 'qstring', 'qdict', 'qlist', 'qbool']
     prefix QTYPE
 enum Status ['good', 'bad', 'ugly']
 object q_empty

tests/qapi-schema/include-repetition.out

@@ -1,4 +1,4 @@
-enum QType ['none', 'qnull', 'qint', 'qstring', 'qdict', 'qlist', 'qfloat', 'qbool']
+enum QType ['none', 'qnull', 'qnum', 'qstring', 'qdict', 'qlist', 'qbool']
     prefix QTYPE
 enum Status ['good', 'bad', 'ugly']
 object q_empty

tests/qapi-schema/include-simple.out

@@ -1,4 +1,4 @@
-enum QType ['none', 'qnull', 'qint', 'qstring', 'qdict', 'qlist', 'qfloat', 'qbool']
+enum QType ['none', 'qnull', 'qnum', 'qstring', 'qdict', 'qlist', 'qbool']
     prefix QTYPE
 enum Status ['good', 'bad', 'ugly']
 object q_empty

tests/qapi-schema/indented-expr.out

@@ -1,4 +1,4 @@
-enum QType ['none', 'qnull', 'qint', 'qstring', 'qdict', 'qlist', 'qfloat', 'qbool']
+enum QType ['none', 'qnull', 'qnum', 'qstring', 'qdict', 'qlist', 'qbool']
     prefix QTYPE
 command eins None -> None
    gen=True success_response=True boxed=False

tests/qapi-schema/qapi-schema-test.out

@@ -50,7 +50,7 @@ object NestedEnumsOne
     member enum4: EnumOne optional=True
 enum QEnumTwo ['value1', 'value2']
     prefix QENUM_TWO
-enum QType ['none', 'qnull', 'qint', 'qstring', 'qdict', 'qlist', 'qfloat', 'qbool']
+enum QType ['none', 'qnull', 'qnum', 'qstring', 'qdict', 'qlist', 'qbool']
     prefix QTYPE
 object TestStruct
     member integer: int optional=False

tests/test-qmp-commands.c

@@ -162,7 +162,8 @@ static void test_dispatch_cmd_io(void)
     QDict *ud1b = qdict_new();
     QDict *ret, *ret_dict, *ret_dict_dict, *ret_dict_dict_userdef;
     QDict *ret_dict_dict2, *ret_dict_dict2_userdef;
-    QInt *ret3;
+    QNum *ret3;
+    int64_t val;
 
     qdict_put_int(ud1a, "integer", 42);
     qdict_put_str(ud1a, "string", "hello");
@@ -194,8 +195,9 @@ static void test_dispatch_cmd_io(void)
     qdict_put(req, "arguments", args3);
     qdict_put_str(req, "execute", "guest-get-time");
 
-    ret3 = qobject_to_qint(test_qmp_dispatch(req));
-    assert(qint_get_int(ret3) == 66);
+    ret3 = qobject_to_qnum(test_qmp_dispatch(req));
+    g_assert(qnum_get_try_int(ret3, &val));
+    g_assert_cmpint(val, ==, 66);
     QDECREF(ret3);
 
     QDECREF(req);

tests/test-qmp-event.c

@@ -18,7 +18,6 @@
 #include "test-qapi-visit.h"
 #include "test-qapi-event.h"
 #include "qapi/qmp/types.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qobject.h"
 #include "qapi/qmp-event.h"
 
@@ -41,6 +40,7 @@ void qdict_cmp_do_simple(const char *key, QObject *obj1, void *opaque)
 {
     QObject *obj2;
     QDictCmpData d_new, *d = opaque;
+    int64_t val1, val2;
 
     if (!d->result) {
         return;
@@ -62,9 +62,10 @@ void qdict_cmp_do_simple(const char *key, QObject *obj1, void *opaque)
         d->result = (qbool_get_bool(qobject_to_qbool(obj1)) ==
                      qbool_get_bool(qobject_to_qbool(obj2)));
         return;
-    case QTYPE_QINT:
-        d->result = (qint_get_int(qobject_to_qint(obj1)) ==
-                     qint_get_int(qobject_to_qint(obj2)));
+    case QTYPE_QNUM:
+        g_assert(qnum_get_try_int(qobject_to_qnum(obj1), &val1));
+        g_assert(qnum_get_try_int(qobject_to_qnum(obj2), &val2));
+        d->result = val1 == val2;
         return;
     case QTYPE_QSTRING:
         d->result = g_strcmp0(qstring_get_str(qobject_to_qstring(obj1)),

tests/test-qobject-input-visitor.c

@@ -165,9 +165,10 @@ static void test_visitor_in_int_overflow(TestInputVisitorData *data,
     Error *err = NULL;
     Visitor *v;
 
-    /* this will overflow a Qint/int64, so should be deserialized into
-     * a QFloat/double field instead, leading to an error if we pass it
-     * to visit_type_int. confirm this.
+    /*
+     * This will overflow a QNUM_I64, so should be deserialized into a
+     * QNUM_DOUBLE field instead, leading to an error if we pass it to
+     * visit_type_int().  Confirm this.
      */
     v = visitor_input_test_init(data, "%f", DBL_MAX);
 
@@ -469,17 +470,19 @@ static void test_visitor_in_any(TestInputVisitorData *data,
 {
     QObject *res = NULL;
     Visitor *v;
-    QInt *qint;
+    QNum *qnum;
     QBool *qbool;
     QString *qstring;
     QDict *qdict;
     QObject *qobj;
+    int64_t val;
 
     v = visitor_input_test_init(data, "-42");
     visit_type_any(v, NULL, &res, &error_abort);
-    qint = qobject_to_qint(res);
-    g_assert(qint);
-    g_assert_cmpint(qint_get_int(qint), ==, -42);
+    qnum = qobject_to_qnum(res);
+    g_assert(qnum);
+    g_assert(qnum_get_try_int(qnum, &val));
+    g_assert_cmpint(val, ==, -42);
     qobject_decref(res);
 
     v = visitor_input_test_init(data, "{ 'integer': -42, 'boolean': true, 'string': 'foo' }");
@@ -488,9 +491,10 @@ static void test_visitor_in_any(TestInputVisitorData *data,
     g_assert(qdict && qdict_size(qdict) == 3);
     qobj = qdict_get(qdict, "integer");
     g_assert(qobj);
-    qint = qobject_to_qint(qobj);
-    g_assert(qint);
-    g_assert_cmpint(qint_get_int(qint), ==, -42);
+    qnum = qobject_to_qnum(qobj);
+    g_assert(qnum);
+    g_assert(qnum_get_try_int(qnum, &val));
+    g_assert_cmpint(val, ==, -42);
     qobj = qdict_get(qdict, "boolean");
     g_assert(qobj);
     qbool = qobject_to_qbool(qobj);
@@ -568,7 +572,7 @@ static void test_visitor_in_alternate(TestInputVisitorData *data,
 
     v = visitor_input_test_init(data, "42");
     visit_type_UserDefAlternate(v, NULL, &tmp, &error_abort);
-    g_assert_cmpint(tmp->type, ==, QTYPE_QINT);
+    g_assert_cmpint(tmp->type, ==, QTYPE_QNUM);
     g_assert_cmpint(tmp->u.i, ==, 42);
     qapi_free_UserDefAlternate(tmp);
 
@@ -596,7 +600,7 @@ static void test_visitor_in_alternate(TestInputVisitorData *data,
 
     v = visitor_input_test_init(data, "{ 'alt': 42 }");
     visit_type_WrapAlternate(v, NULL, &wrap, &error_abort);
-    g_assert_cmpint(wrap->alt->type, ==, QTYPE_QINT);
+    g_assert_cmpint(wrap->alt->type, ==, QTYPE_QNUM);
     g_assert_cmpint(wrap->alt->u.i, ==, 42);
     qapi_free_WrapAlternate(wrap);
 
@@ -637,19 +641,19 @@ static void test_visitor_in_alternate_number(TestInputVisitorData *data,
 
     v = visitor_input_test_init(data, "42");
     visit_type_AltEnumNum(v, NULL, &aen, &error_abort);
-    g_assert_cmpint(aen->type, ==, QTYPE_QFLOAT);
+    g_assert_cmpint(aen->type, ==, QTYPE_QNUM);
     g_assert_cmpfloat(aen->u.n, ==, 42);
     qapi_free_AltEnumNum(aen);
 
     v = visitor_input_test_init(data, "42");
     visit_type_AltNumEnum(v, NULL, &ans, &error_abort);
-    g_assert_cmpint(ans->type, ==, QTYPE_QFLOAT);
+    g_assert_cmpint(ans->type, ==, QTYPE_QNUM);
     g_assert_cmpfloat(ans->u.n, ==, 42);
     qapi_free_AltNumEnum(ans);
 
     v = visitor_input_test_init(data, "42");
     visit_type_AltEnumInt(v, NULL, &asi, &error_abort);
-    g_assert_cmpint(asi->type, ==, QTYPE_QINT);
+    g_assert_cmpint(asi->type, ==, QTYPE_QNUM);
     g_assert_cmpint(asi->u.i, ==, 42);
     qapi_free_AltEnumInt(asi);
 
@@ -662,13 +666,13 @@ static void test_visitor_in_alternate_number(TestInputVisitorData *data,
 
     v = visitor_input_test_init(data, "42.5");
     visit_type_AltEnumNum(v, NULL, &aen, &error_abort);
-    g_assert_cmpint(aen->type, ==, QTYPE_QFLOAT);
+    g_assert_cmpint(aen->type, ==, QTYPE_QNUM);
     g_assert_cmpfloat(aen->u.n, ==, 42.5);
     qapi_free_AltEnumNum(aen);
 
     v = visitor_input_test_init(data, "42.5");
     visit_type_AltNumEnum(v, NULL, &ans, &error_abort);
-    g_assert_cmpint(ans->type, ==, QTYPE_QFLOAT);
+    g_assert_cmpint(ans->type, ==, QTYPE_QNUM);
     g_assert_cmpfloat(ans->u.n, ==, 42.5);
     qapi_free_AltNumEnum(ans);
 

tests/test-qobject-output-visitor.c

@@ -58,13 +58,15 @@ static void test_visitor_out_int(TestOutputVisitorData *data,
                                  const void *unused)
 {
     int64_t value = -42;
-    QInt *qint;
+    int64_t val;
+    QNum *qnum;
 
     visit_type_int(data->ov, NULL, &value, &error_abort);
 
-    qint = qobject_to_qint(visitor_get(data));
-    g_assert(qint);
-    g_assert_cmpint(qint_get_int(qint), ==, value);
+    qnum = qobject_to_qnum(visitor_get(data));
+    g_assert(qnum);
+    g_assert(qnum_get_try_int(qnum, &val));
+    g_assert_cmpint(val, ==, value);
 }
 
 static void test_visitor_out_bool(TestOutputVisitorData *data,
@@ -84,13 +86,13 @@ static void test_visitor_out_number(TestOutputVisitorData *data,
                                     const void *unused)
 {
     double value = 3.14;
-    QFloat *qfloat;
+    QNum *qnum;
 
     visit_type_number(data->ov, NULL, &value, &error_abort);
 
-    qfloat = qobject_to_qfloat(visitor_get(data));
-    g_assert(qfloat);
-    g_assert(qfloat_get_double(qfloat) == value);
+    qnum = qobject_to_qnum(visitor_get(data));
+    g_assert(qnum);
+    g_assert(qnum_get_double(qnum) == value);
 }
 
 static void test_visitor_out_string(TestOutputVisitorData *data,
@@ -329,16 +331,18 @@ static void test_visitor_out_any(TestOutputVisitorData *data,
                                  const void *unused)
 {
     QObject *qobj;
-    QInt *qint;
+    QNum *qnum;
     QBool *qbool;
     QString *qstring;
     QDict *qdict;
+    int64_t val;
 
-    qobj = QOBJECT(qint_from_int(-42));
+    qobj = QOBJECT(qnum_from_int(-42));
     visit_type_any(data->ov, NULL, &qobj, &error_abort);
-    qint = qobject_to_qint(visitor_get(data));
-    g_assert(qint);
-    g_assert_cmpint(qint_get_int(qint), ==, -42);
+    qnum = qobject_to_qnum(visitor_get(data));
+    g_assert(qnum);
+    g_assert(qnum_get_try_int(qnum, &val));
+    g_assert_cmpint(val, ==, -42);
     qobject_decref(qobj);
 
     visitor_reset(data);
@@ -351,9 +355,10 @@ static void test_visitor_out_any(TestOutputVisitorData *data,
     qobject_decref(qobj);
     qdict = qobject_to_qdict(visitor_get(data));
     g_assert(qdict);
-    qint = qobject_to_qint(qdict_get(qdict, "integer"));
-    g_assert(qint);
-    g_assert_cmpint(qint_get_int(qint), ==, -42);
+    qnum = qobject_to_qnum(qdict_get(qdict, "integer"));
+    g_assert(qnum);
+    g_assert(qnum_get_try_int(qnum, &val));
+    g_assert_cmpint(val, ==, -42);
     qbool = qobject_to_qbool(qdict_get(qdict, "boolean"));
     g_assert(qbool);
     g_assert(qbool_get_bool(qbool) == true);
@@ -388,18 +393,20 @@ static void test_visitor_out_alternate(TestOutputVisitorData *data,
                                        const void *unused)
 {
     UserDefAlternate *tmp;
-    QInt *qint;
+    QNum *qnum;
     QString *qstr;
     QDict *qdict;
+    int64_t val;
 
     tmp = g_new0(UserDefAlternate, 1);
-    tmp->type = QTYPE_QINT;
+    tmp->type = QTYPE_QNUM;
     tmp->u.i = 42;
 
     visit_type_UserDefAlternate(data->ov, NULL, &tmp, &error_abort);
-    qint = qobject_to_qint(visitor_get(data));
-    g_assert(qint);
-    g_assert_cmpint(qint_get_int(qint), ==, 42);
+    qnum = qobject_to_qnum(visitor_get(data));
+    g_assert(qnum);
+    g_assert(qnum_get_try_int(qnum, &val));
+    g_assert_cmpint(val, ==, 42);
 
     qapi_free_UserDefAlternate(tmp);
 
@@ -603,18 +610,22 @@ static void check_native_list(QObject *qobj,
     case USER_DEF_NATIVE_LIST_UNION_KIND_U16:
     case USER_DEF_NATIVE_LIST_UNION_KIND_U32:
     case USER_DEF_NATIVE_LIST_UNION_KIND_U64:
-        /* all integer elements in JSON arrays get stored into QInts when
-         * we convert to QObjects, so we can check them all in the same
-         * fashion, so simply fall through here
+        /*
+         * All integer elements in JSON arrays get stored into QNums
+         * when we convert to QObjects, so we can check them all in
+         * the same fashion, so simply fall through here.
          */
     case USER_DEF_NATIVE_LIST_UNION_KIND_INTEGER:
         for (i = 0; i < 32; i++) {
             QObject *tmp;
-            QInt *qvalue;
+            QNum *qvalue;
+            int64_t val;
+
             tmp = qlist_peek(qlist);
             g_assert(tmp);
-            qvalue = qobject_to_qint(tmp);
-            g_assert_cmpint(qint_get_int(qvalue), ==, i);
+            qvalue = qobject_to_qnum(tmp);
+            g_assert(qnum_get_try_int(qvalue, &val));
+            g_assert_cmpint(val, ==, i);
             qobject_decref(qlist_pop(qlist));
         }
         break;
@@ -645,15 +656,15 @@ static void check_native_list(QObject *qobj,
     case USER_DEF_NATIVE_LIST_UNION_KIND_NUMBER:
         for (i = 0; i < 32; i++) {
             QObject *tmp;
-            QFloat *qvalue;
+            QNum *qvalue;
             GString *double_expected = g_string_new("");
             GString *double_actual = g_string_new("");
 
             tmp = qlist_peek(qlist);
             g_assert(tmp);
-            qvalue = qobject_to_qfloat(tmp);
+            qvalue = qobject_to_qnum(tmp);
             g_string_printf(double_expected, "%.6f", (double)i / 3);
-            g_string_printf(double_actual, "%.6f", qfloat_get_double(qvalue));
+            g_string_printf(double_actual, "%.6f", qnum_get_double(qvalue));
             g_assert_cmpstr(double_actual->str, ==, double_expected->str);
 
             qobject_decref(qlist_pop(qlist));

tests/test-x86-cpuid-compat.c

@@ -1,9 +1,8 @@
 #include "qemu/osdep.h"
 #include "qemu-common.h"
-#include "qapi/qmp/qlist.h"
-#include "qapi/qmp/qstring.h"
+#include "qapi/error.h"
 #include "qapi/qmp/qdict.h"
-#include "qapi/qmp/qint.h"
+#include "qapi/qmp/qnum.h"
 #include "qapi/qmp/qbool.h"
 #include "libqtest.h"
 
@@ -57,12 +56,14 @@ static void test_cpuid_prop(const void *data)
 {
     const CpuidTestArgs *args = data;
     char *path;
-    QInt *value;
+    QNum *value;
+    int64_t val;
 
     qtest_start(args->cmdline);
     path = get_cpu0_qom_path();
-    value = qobject_to_qint(qom_get(path, args->property));
-    g_assert_cmpint(qint_get_int(value), ==, args->expected_value);
+    value = qobject_to_qnum(qom_get(path, args->property));
+    g_assert(qnum_get_try_int(value, &val));
+    g_assert_cmpint(val, ==, args->expected_value);
     qtest_end();
 
     QDECREF(value);
@@ -109,12 +110,15 @@ static uint32_t get_feature_word(QList *features, uint32_t eax, uint32_t ecx,
         uint32_t reax = qdict_get_int(w, "cpuid-input-eax");
         bool has_ecx = qdict_haskey(w, "cpuid-input-ecx");
         uint32_t recx = 0;
+        int64_t val;
 
         if (has_ecx) {
             recx = qdict_get_int(w, "cpuid-input-ecx");
         }
         if (eax == reax && (!has_ecx || ecx == recx) && !strcmp(rreg, reg)) {
-            return qint_get_int(qobject_to_qint(qdict_get(w, "features")));
+            g_assert(qnum_get_try_int(qobject_to_qnum(qdict_get(w, "features")),
+                                  &val));
+            return val;
         }
     }
     return 0;

ui/spice-core.c

@@ -30,7 +30,6 @@
 #include "qemu-x509.h"
 #include "qemu/sockets.h"
 #include "qmp-commands.h"
-#include "qapi/qmp/qint.h"
 #include "qapi/qmp/qbool.h"
 #include "qapi/qmp/qstring.h"
 #include "qapi/qmp/qjson.h"

ui/vnc-enc-tight.c

@@ -44,7 +44,6 @@
 #endif
 
 #include "qemu/bswap.h"
-#include "qapi/qmp/qint.h"
 #include "vnc.h"
 #include "vnc-enc-tight.h"
 #include "vnc-palette.h"

util/qemu-option.c

@@ -941,9 +941,8 @@ typedef struct OptsFromQDictState {
 static void qemu_opts_from_qdict_1(const char *key, QObject *obj, void *opaque)
 {
     OptsFromQDictState *state = opaque;
-    char buf[32];
+    char buf[32], *tmp = NULL;
     const char *value;
-    int n;
 
     if (!strcmp(key, "id") || *state->errp) {
         return;
@@ -953,17 +952,9 @@ static void qemu_opts_from_qdict_1(const char *key, QObject *obj, void *opaque)
     case QTYPE_QSTRING:
         value = qstring_get_str(qobject_to_qstring(obj));
         break;
-    case QTYPE_QINT:
-        n = snprintf(buf, sizeof(buf), "%" PRId64,
-                     qint_get_int(qobject_to_qint(obj)));
-        assert(n < sizeof(buf));
-        value = buf;
-        break;
-    case QTYPE_QFLOAT:
-        n = snprintf(buf, sizeof(buf), "%.17g",
-                     qfloat_get_double(qobject_to_qfloat(obj)));
-        assert(n < sizeof(buf));
-        value = buf;
+    case QTYPE_QNUM:
+        tmp = qnum_to_string(qobject_to_qnum(obj));
+        value = tmp;
         break;
     case QTYPE_QBOOL:
         pstrcpy(buf, sizeof(buf),
@@ -975,13 +966,14 @@ static void qemu_opts_from_qdict_1(const char *key, QObject *obj, void *opaque)
     }
 
     qemu_opt_set(state->opts, key, value, state->errp);
+    g_free(tmp);
 }
 
 /*
  * Create QemuOpts from a QDict.
- * Use value of key "id" as ID if it exists and is a QString.
- * Only QStrings, QInts, QFloats and QBools are copied.  Entries with
- * other types are silently ignored.
+ * Use value of key "id" as ID if it exists and is a QString.  Only
+ * QStrings, QNums and QBools are copied.  Entries with other types
+ * are silently ignored.
  */
 QemuOpts *qemu_opts_from_qdict(QemuOptsList *list, const QDict *qdict,
                                Error **errp)