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qapi: Avoid redundant parens in code generated for conditionals

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Commit 6cc2e4817f "qapi: introduce QAPISchemaIfCond.cgen()" caused a
minor regression: redundant parenthesis.  Subsequent commits
eliminated of many of them, but not all.  Get rid of the rest now.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210831123809.1107782-8-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Markus Armbruster 2021-08-31 14:38:04 +02:00
parent ccea6a8637
commit a7987799d1
2 changed files with 9 additions and 7 deletions
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10
scripts/qapi/common.py
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@ -205,24 +205,26 @@ 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]]):
def do_gen(ifcond: Union[str, Dict[str, Any]], need_parens: bool):
if isinstance(ifcond, str):
return cond_fmt % ifcond
assert isinstance(ifcond, dict) and len(ifcond) == 1
if 'not' in ifcond:
return not_fmt % do_gen(ifcond['not'])
return not_fmt % do_gen(ifcond['not'], True)
if 'all' in ifcond:
gen = gen_infix(all_operator, ifcond['all'])
else:
gen = gen_infix(any_operator, ifcond['any'])
if need_parens:
gen = '(' + gen + ')'
return gen
def gen_infix(operator: str, operands: Sequence[Any]) -> str:
return '(' + operator.join([do_gen(o) for o in operands]) + ')'
return operator.join([do_gen(o, True) for o in operands])
if not ifcond:
return ''
return do_gen(ifcond)
return do_gen(ifcond, False)
def cgen_ifcond(ifcond: Optional[Union[str, Dict[str, Any]]]) -> str: