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[Qemu-devel] [PATCH 06/16] qdev: remove direct calls to print/parse
From: |
Paolo Bonzini |
Subject: |
[Qemu-devel] [PATCH 06/16] qdev: remove direct calls to print/parse |
Date: |
Thu, 2 Feb 2012 17:45:32 +0100 |
There's no need to call into ->parse and ->print manually. The
QOM legacy properties do that for us.
Furthermore, in some cases legacy and static properties have exactly
the same behavior, and we could drop the legacy properties right away.
Add an appropriate fallback to prepare for this.
Signed-off-by: Paolo Bonzini <address@hidden>
---
hw/qdev-monitor.c | 27 ++++++++++++++++-----------
hw/qdev-properties.c | 26 ++++++++++----------------
hw/qdev.c | 9 +++++++++
3 files changed, 35 insertions(+), 27 deletions(-)
diff --git a/hw/qdev-monitor.c b/hw/qdev-monitor.c
index b8d8a9e..64505b4 100644
--- a/hw/qdev-monitor.c
+++ b/hw/qdev-monitor.c
@@ -487,21 +487,26 @@ static void qbus_print(Monitor *mon, BusState *bus, int
indent);
static void qdev_print_props(Monitor *mon, DeviceState *dev, Property *props,
const char *prefix, int indent)
{
- char buf[64];
-
if (!props)
return;
while (props->name) {
- /*
- * TODO Properties without a print method are just for dirty
- * hacks. qdev_prop_ptr is the only such PropertyInfo. It's
- * marked for removal. The test props->info->print should be
- * removed along with it.
- */
- if (props->info->print) {
- props->info->print(dev, props, buf, sizeof(buf));
- qdev_printf("%s-prop: %s = %s\n", prefix, props->name, buf);
+ Error *err;
+ char *value;
+ char *legacy_name = g_strdup_printf("legacy-%s", props->name);
+ if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) {
+ value = object_property_get_str(OBJECT(dev), legacy_name, &err);
+ } else {
+ value = object_property_get_str(OBJECT(dev), props->name, &err);
+ }
+ g_free(legacy_name);
+
+ if (err) {
+ error_free(err);
+ continue;
}
+ qdev_printf("%s-prop: %s = %s\n", prefix, props->name,
+ value && *value ? value : "<null>");
+ g_free(value);
props++;
}
}
diff --git a/hw/qdev-properties.c b/hw/qdev-properties.c
index d34df30..7c41140 100644
--- a/hw/qdev-properties.c
+++ b/hw/qdev-properties.c
@@ -1024,24 +1024,18 @@ void error_set_from_qdev_prop_error(Error **errp, int
ret, DeviceState *dev,
int qdev_prop_parse(DeviceState *dev, const char *name, const char *value)
{
- Property *prop;
- int ret;
+ char *legacy_name;
+ Error *err;
- prop = qdev_prop_find(dev, name);
- /*
- * TODO Properties without a parse method are just for dirty
- * hacks. qdev_prop_ptr is the only such PropertyInfo. It's
- * marked for removal. The test !prop->info->parse should be
- * removed along with it.
- */
- if (!prop || !prop->info->parse) {
- qerror_report(QERR_PROPERTY_NOT_FOUND,
object_get_typename(OBJECT(dev)), name);
- return -1;
+ legacy_name = g_strdup_printf("legacy-%s", name);
+ if (object_property_get_type(OBJECT(dev), legacy_name, NULL)) {
+ object_property_set_str(OBJECT(dev), legacy_name, value, &err);
+ } else {
+ object_property_set_str(OBJECT(dev), name, value, &err);
}
- ret = prop->info->parse(dev, prop, value);
- if (ret < 0) {
- Error *err;
- error_set_from_qdev_prop_error(&err, ret, dev, prop, value);
+ g_free(legacy_name);
+
+ if (err) {
qerror_report_err(err);
error_free(err);
return -1;
diff --git a/hw/qdev.c b/hw/qdev.c
index e3b53b7..a731e41 100644
--- a/hw/qdev.c
+++ b/hw/qdev.c
@@ -581,6 +581,15 @@ void qdev_property_add_legacy(DeviceState *dev, Property
*prop,
void qdev_property_add_static(DeviceState *dev, Property *prop,
Error **errp)
{
+ /*
+ * TODO qdev_prop_ptr does not have getters or setters. It must
+ * go now that it can be replaced with links. The test should be
+ * removed along with it, all static properties are read/write.
+ */
+ if (!prop->info->get && !prop->info->set) {
+ return;
+ }
+
object_property_add(OBJECT(dev), prop->name, prop->info->name,
prop->info->get, prop->info->set,
NULL,
--
1.7.7.6
- Re: [Qemu-devel] [PATCH 04/16] qom: add QObject-based property get/set wrappers, (continued)
- Re: [Qemu-devel] [PATCH 04/16] qom: add QObject-based property get/set wrappers, Anthony Liguori, 2012/02/02
- Re: [Qemu-devel] [PATCH 04/16] qom: add QObject-based property get/set wrappers, Paolo Bonzini, 2012/02/02
- Re: [Qemu-devel] [PATCH 04/16] qom: add QObject-based property get/set wrappers, Anthony Liguori, 2012/02/02
- Re: [Qemu-devel] [PATCH 04/16] qom: add QObject-based property get/set wrappers, Andreas Färber, 2012/02/02
- Re: [Qemu-devel] [PATCH 04/16] qom: add QObject-based property get/set wrappers, Anthony Liguori, 2012/02/02
[Qemu-devel] [PATCH 03/16] qom: do not include qdev header file, Paolo Bonzini, 2012/02/02
[Qemu-devel] [PATCH 05/16] qom: add property get/set wrappers for C types, Paolo Bonzini, 2012/02/02
[Qemu-devel] [PATCH 06/16] qdev: remove direct calls to print/parse,
Paolo Bonzini <=
[Qemu-devel] [PATCH 09/16] qdev: remove parse/print methods for mac properties, Paolo Bonzini, 2012/02/02
[Qemu-devel] [PATCH 07/16] qdev: allow reusing get/set for legacy property, Paolo Bonzini, 2012/02/02
[Qemu-devel] [PATCH 10/16] qdev: make the non-legacy pci address property accept an integer, Paolo Bonzini, 2012/02/02