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[PATCH v4 5/9] qapi: add IfNot
From: |
marcandre . lureau |
Subject: |
[PATCH v4 5/9] qapi: add IfNot |
Date: |
Mon, 17 May 2021 20:30:36 +0400 |
From: Marc-André Lureau <marcandre.lureau@redhat.com>
Introduce IfNot predicate class, for 'not' condition expressions.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Tested-by: John Snow <jsnow@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
- [PATCH v4 0/9] qapi: untie 'if' conditions from C preprocessor, marcandre . lureau, 2021/05/17
- [PATCH v4 1/9] qapi: replace List[str] by QAPISchemaIfCond, marcandre . lureau, 2021/05/17
- [PATCH v4 2/9] qapi: make gen_if/gen_endif take a simple string, marcandre . lureau, 2021/05/17
- [PATCH v4 3/9] qapi: start building an 'if' predicate tree, marcandre . lureau, 2021/05/17
- [PATCH v4 4/9] qapi: introduce IfPredicateList and IfAny, marcandre . lureau, 2021/05/17
- [PATCH v4 5/9] qapi: add IfNot,
marcandre . lureau <=
- [PATCH v4 6/9] qapi: normalize 'if' condition to IfPredicate tree, marcandre . lureau, 2021/05/17
- [PATCH v4 7/9] qapi: convert 'if' C-expressions to the new syntax tree, marcandre . lureau, 2021/05/17
- [PATCH v4 9/9] docs: update the documentation about schema configuration, marcandre . lureau, 2021/05/17
- [PATCH v4 8/9] qapi: make 'if' condition strings simple identifiers, marcandre . lureau, 2021/05/17
- Re: [PATCH v4 0/9] qapi: untie 'if' conditions from C preprocessor, Markus Armbruster, 2021/05/21