hyperv: add inheritance to the WMI generator

This enables casting subtypes to their parent.

Signed-off-by: Matt Coleman <matt@datto.com>
Reviewed-by: Laine Stump <laine@redhat.com>
This commit is contained in:
Matt Coleman 2021-01-21 13:50:43 -05:00 committed by Laine Stump
parent b0c3fa390b
commit b23ada6715

View File

@ -221,10 +221,10 @@ def report_error(message):
def parse_class(block, number):
# expected format: class <name>
# expected format: class <name> : <optional parent>
header_items = block[0][1].split()
if len(header_items) != 2:
if len(header_items) not in [2, 4]:
report_error("line %d: invalid block header" % (number))
assert header_items[0] == "class"
@ -234,7 +234,13 @@ def parse_class(block, number):
if name in wmi_classes_by_name:
report_error("class '%s' has already been defined" % name)
properties = []
if len(header_items) == 4:
parent_class = header_items[3]
if parent_class not in wmi_classes_by_name:
report_error("nonexistent parent class specified: %s" % parent_class)
properties = wmi_classes_by_name[parent_class].properties.copy()
else:
properties = []
for line in block[1:]:
# expected format: <type> <name>