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-rw-r--r--scripts/qapi/expr.py28
1 files changed, 25 insertions, 3 deletions
diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py
index b4bbcd5..06a0081 100644
--- a/scripts/qapi/expr.py
+++ b/scripts/qapi/expr.py
@@ -15,9 +15,20 @@
# See the COPYING file in the top-level directory.
import re
+from typing import Dict, Optional
from .common import c_name
from .error import QAPISemError
+from .parser import QAPIDoc
+from .source import QAPISourceInfo
+
+
+# Deserialized JSON objects as returned by the parser.
+# The values of this mapping are not necessary to exhaustively type
+# here (and also not practical as long as mypy lacks recursive
+# types), because the purpose of this module is to interrogate that
+# type.
+_JSONObject = Dict[str, object]
# Names consist of letters, digits, -, and _, starting with a letter.
@@ -315,9 +326,20 @@ def check_event(expr, info):
def check_exprs(exprs):
for expr_elem in exprs:
- expr = expr_elem['expr']
- info = expr_elem['info']
- doc = expr_elem.get('doc')
+ # Expression
+ assert isinstance(expr_elem['expr'], dict)
+ for key in expr_elem['expr'].keys():
+ assert isinstance(key, str)
+ expr: _JSONObject = expr_elem['expr']
+
+ # QAPISourceInfo
+ assert isinstance(expr_elem['info'], QAPISourceInfo)
+ info: QAPISourceInfo = expr_elem['info']
+
+ # Optional[QAPIDoc]
+ tmp = expr_elem.get('doc')
+ assert tmp is None or isinstance(tmp, QAPIDoc)
+ doc: Optional[QAPIDoc] = tmp
if 'include' in expr:
continue