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Fri, 3 Sep 2021 21:32:09 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PULL 07/13] qapi: Factor common recursion out of cgen_ifcond(), docgen_ifcond() Date: Fri, 3 Sep 2021 21:32:03 +0200 Message-Id: <20210903193209.1426791-8-armbru@redhat.com> In-Reply-To: <20210903193209.1426791-1-armbru@redhat.com> References: <20210903193209.1426791-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=armbru@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=armbru@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -31 X-Spam_score: -3.2 X-Spam_bar: --- X-Spam_report: (-3.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.392, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Markus Armbruster Message-Id: <20210831123809.1107782-7-armbru@redhat.com> Reviewed-by: Marc-André Lureau --- scripts/qapi/common.py | 45 +++++++++++++++++++++++------------------- 1 file changed, 25 insertions(+), 20 deletions(-) diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py index f31e077d7b..df92cff852 100644 --- a/scripts/qapi/common.py +++ b/scripts/qapi/common.py @@ -17,6 +17,7 @@ Dict, Match, Optional, + Sequence, Union, ) @@ -200,33 +201,37 @@ def guardend(name: str) -> str: name=c_fname(name).upper()) -def cgen_ifcond(ifcond: Optional[Union[str, Dict[str, Any]]]) -> str: +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]]): + 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']) + if 'all' in ifcond: + gen = gen_infix(all_operator, ifcond['all']) + else: + gen = gen_infix(any_operator, ifcond['any']) + return gen + + def gen_infix(operator: str, operands: Sequence[Any]) -> str: + return '(' + operator.join([do_gen(o) for o in operands]) + ')' + if not ifcond: return '' - if isinstance(ifcond, str): - return 'defined(' + ifcond + ')' + return do_gen(ifcond) - oper, operands = next(iter(ifcond.items())) - if oper == 'not': - return '!' + cgen_ifcond(operands) - oper = {'all': ' && ', 'any': ' || '}[oper] - operands = [cgen_ifcond(o) for o in operands] - return '(' + oper.join(operands) + ')' + +def cgen_ifcond(ifcond: Optional[Union[str, Dict[str, Any]]]) -> str: + return gen_ifcond(ifcond, 'defined(%s)', '!%s', ' && ', ' || ') def docgen_ifcond(ifcond: Optional[Union[str, Dict[str, Any]]]) -> str: # TODO Doc generated for conditions needs polish - if not ifcond: - return '' - if isinstance(ifcond, str): - return ifcond - - oper, operands = next(iter(ifcond.items())) - if oper == 'not': - return '!' + docgen_ifcond(operands) - oper = {'all': ' and ', 'any': ' or '}[oper] - operands = [docgen_ifcond(o) for o in operands] - return '(' + oper.join(operands) + ')' + return gen_ifcond(ifcond, '%s', '!%s', ' and ', ' or ') def gen_if(cond: str) -> str: -- 2.31.1