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-rw-r--r--scripts/qapi/common.py19
-rw-r--r--scripts/qapi/expr.py21
-rw-r--r--tests/qapi-schema/bad-if-not.err2
-rw-r--r--tests/qapi-schema/bad-if-not.json3
-rw-r--r--tests/qapi-schema/bad-if-not.out0
-rw-r--r--tests/qapi-schema/meson.build1
6 files changed, 25 insertions, 21 deletions
diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py
index 5f8f76e..4892735 100644
--- a/scripts/qapi/common.py
+++ b/scripts/qapi/common.py
@@ -132,9 +132,6 @@ class Indentation:
def __init__(self, initial: int = 0) -> None:
self._level = initial
- def __int__(self) -> int:
- return self._level
-
def __repr__(self) -> str:
return "{}({:d})".format(type(self).__name__, self._level)
@@ -142,19 +139,13 @@ class Indentation:
"""Return the current indentation as a string of spaces."""
return ' ' * self._level
- def __bool__(self) -> bool:
- """True when there is a non-zero indentation."""
- return bool(self._level)
-
def increase(self, amount: int = 4) -> None:
"""Increase the indentation level by ``amount``, default 4."""
self._level += amount
def decrease(self, amount: int = 4) -> None:
"""Decrease the indentation level by ``amount``, default 4."""
- if self._level < amount:
- raise ArithmeticError(
- f"Can't remove {amount:d} spaces from {self!r}")
+ assert amount <= self._level
self._level -= amount
@@ -169,8 +160,9 @@ def cgen(code: str, **kwds: object) -> str:
Obey `indent`, and strip `EATSPACE`.
"""
raw = code % kwds
- if indent:
- raw = re.sub(r'^(?!(#|$))', str(indent), raw, flags=re.MULTILINE)
+ pfx = str(indent)
+ if pfx:
+ raw = re.sub(r'^(?!(#|$))', pfx, raw, flags=re.MULTILINE)
return re.sub(re.escape(EATSPACE) + r' *', '', raw)
@@ -205,7 +197,8 @@ def gen_ifcond(ifcond: Optional[Union[str, Dict[str, Any]]],
cond_fmt: str, not_fmt: str,
all_operator: str, any_operator: str) -> str:
- def do_gen(ifcond: Union[str, Dict[str, Any]], need_parens: bool):
+ def do_gen(ifcond: Union[str, Dict[str, Any]],
+ need_parens: bool) -> str:
if isinstance(ifcond, str):
return cond_fmt % ifcond
assert isinstance(ifcond, dict) and len(ifcond) == 1
diff --git a/scripts/qapi/expr.py b/scripts/qapi/expr.py
index b62f0a3..90bde50 100644
--- a/scripts/qapi/expr.py
+++ b/scripts/qapi/expr.py
@@ -293,17 +293,22 @@ def check_if(expr: _JSONObject, info: QAPISourceInfo, source: str) -> None:
info,
"'if' condition of %s has conflicting keys" % source)
- oper, operands = next(iter(cond.items()))
+ if 'not' in cond:
+ _check_if(cond['not'])
+ elif 'all' in cond:
+ _check_infix('all', cond['all'])
+ else:
+ _check_infix('any', cond['any'])
+
+ def _check_infix(operator: str, operands: object) -> None:
+ if not isinstance(operands, list):
+ raise QAPISemError(
+ info,
+ "'%s' condition of %s must be an array"
+ % (operator, source))
if not operands:
raise QAPISemError(
info, "'if' condition [] of %s is useless" % source)
-
- if oper == "not":
- _check_if(operands)
- return
- if oper in ("all", "any") and not isinstance(operands, list):
- raise QAPISemError(
- info, "'%s' condition of %s must be an array" % (oper, source))
for operand in operands:
_check_if(operand)
diff --git a/tests/qapi-schema/bad-if-not.err b/tests/qapi-schema/bad-if-not.err
new file mode 100644
index 0000000..b33f5e1
--- /dev/null
+++ b/tests/qapi-schema/bad-if-not.err
@@ -0,0 +1,2 @@
+bad-if-not.json: In struct 'TestIfStruct':
+bad-if-not.json:2: 'if' condition '' of struct is not a valid identifier
diff --git a/tests/qapi-schema/bad-if-not.json b/tests/qapi-schema/bad-if-not.json
new file mode 100644
index 0000000..9fdaacc
--- /dev/null
+++ b/tests/qapi-schema/bad-if-not.json
@@ -0,0 +1,3 @@
+# check 'if not' with empy argument
+{ 'struct': 'TestIfStruct', 'data': { 'foo': 'int' },
+ 'if': { 'not': '' } }
diff --git a/tests/qapi-schema/bad-if-not.out b/tests/qapi-schema/bad-if-not.out
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/qapi-schema/bad-if-not.out
diff --git a/tests/qapi-schema/meson.build b/tests/qapi-schema/meson.build
index 4697c07..6b2a4ce 100644
--- a/tests/qapi-schema/meson.build
+++ b/tests/qapi-schema/meson.build
@@ -43,6 +43,7 @@ schemas = [
'bad-if-key.json',
'bad-if-keys.json',
'bad-if-list.json',
+ 'bad-if-not.json',
'bad-type-bool.json',
'bad-type-dict.json',
'bad-type-int.json',