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qom: add new dynamic property infrastructure based on Visitors (v2)

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qdev properties are settable only during construction and static to classes.
This isn't flexible enough for QOM.

This patch introduces a property interface for qdev that provides dynamic
properties that are tied to objects, instead of classes.  These properties are
Visitor based instead of string based too.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori 2011-12-12 14:29:26 -06:00
parent 85ed303bfe
commit 44677ded43
4 changed files with 224 additions and 0 deletions
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3
qerror.h
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@ -156,6 +156,9 @@ QError *qobject_to_qerror(const QObject *obj);
#define QERR_OPEN_FILE_FAILED \
"{ 'class': 'OpenFileFailed', 'data': { 'filename': %s } }"
#define QERR_PERMISSION_DENIED \
"{ 'class': 'PermissionDenied', 'data': {} }"
#define QERR_PROPERTY_NOT_FOUND \
"{ 'class': 'PropertyNotFound', 'data': { 'device': %s, 'property': %s } }"