From: Marc-André Lureau <marcandre.lur...@redhat.com>
Introduce IfNot predicate class, for 'not' condition expressions.
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefa...@redhat.com>
Tested-by: John Snow <js...@redhat.com>
---
scripts/qapi/common.py | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py
index 4e5c3ebaae..8a23c1d4ef 100644
--- a/scripts/qapi/common.py
+++ b/scripts/qapi/common.py
@@ -239,6 +239,28 @@ def __eq__(self, other: object) -> bool:
return self.option == other.option
+class IfNot(IfPredicate):
+ def __init__(self, pred: IfPredicate):
+ self.pred = pred
+
+ def cgen(self) -> str:
+ return "!" + self.pred.cgen()
+
+ def docgen(self) -> str:
+ return "not " + self.pred.docgen()
+
+ def __bool__(self) -> bool:
+ return bool(self.pred)
+
+ def __repr__(self) -> str:
+ return f"IfNot({self.pred!r})"
+
+ def __eq__(self, other: object) -> bool:
+ if not isinstance(other, type(self)):
+ return False
+ return self.pred == other.pred
+
+
class IfPredicateList(IfPredicate):
C_SEP = ""
DOC_SEP = ""
--
2.29.0
