Including it in common.py creates a circular import dependency; schema relies on common, but common.build_params requires a type annotation from schema. To type this properly, it needs to be moved outside the cycle.
Signed-off-by: John Snow <js...@redhat.com> Reviewed-by: Eduardo Habkost <ehabk...@redhat.com> Reviewed-by: Cleber Rosa <cr...@redhat.com> --- scripts/qapi/commands.py | 9 +++++++-- scripts/qapi/common.py | 23 ----------------------- scripts/qapi/events.py | 9 ++------- scripts/qapi/gen.py | 29 +++++++++++++++++++++++++++-- 4 files changed, 36 insertions(+), 34 deletions(-) diff --git a/scripts/qapi/commands.py b/scripts/qapi/commands.py index cde0c1e7770..88ba11c40e1 100644 --- a/scripts/qapi/commands.py +++ b/scripts/qapi/commands.py @@ -13,8 +13,13 @@ See the COPYING file in the top-level directory. """ -from .common import build_params, c_name, mcgen -from .gen import QAPIGenCCode, QAPISchemaModularCVisitor, ifcontext +from .common import c_name, mcgen +from .gen import ( + QAPIGenCCode, + QAPISchemaModularCVisitor, + build_params, + ifcontext, +) def gen_command_decl(name, arg_type, boxed, ret_type): diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py index 669e3829b34..11b86beeabe 100644 --- a/scripts/qapi/common.py +++ b/scripts/qapi/common.py @@ -210,26 +210,3 @@ def gen_endif(ifcond: Sequence[str]) -> str: #endif /* %(cond)s */ ''', cond=ifc) return ret - - -def build_params(arg_type, - boxed: bool, - extra: Optional[str] = None) -> str: - ret = '' - sep = '' - if boxed: - assert arg_type - ret += '%s arg' % arg_type.c_param_type() - sep = ', ' - elif arg_type: - assert not arg_type.variants - for memb in arg_type.members: - ret += sep - sep = ', ' - if memb.optional: - ret += 'bool has_%s, ' % c_name(memb.name) - ret += '%s %s' % (memb.type.c_param_type(), - c_name(memb.name)) - if extra: - ret += sep + extra - return ret if ret else 'void' diff --git a/scripts/qapi/events.py b/scripts/qapi/events.py index 6b3afa14d72..f840a62ed92 100644 --- a/scripts/qapi/events.py +++ b/scripts/qapi/events.py @@ -12,13 +12,8 @@ See the COPYING file in the top-level directory. """ -from .common import ( - build_params, - c_enum_const, - c_name, - mcgen, -) -from .gen import QAPISchemaModularCVisitor, ifcontext +from .common import c_enum_const, c_name, mcgen +from .gen import QAPISchemaModularCVisitor, build_params, ifcontext from .schema import QAPISchemaEnumMember from .types import gen_enum, gen_enum_lookup diff --git a/scripts/qapi/gen.py b/scripts/qapi/gen.py index 1fed712b43b..fff0c0acb6d 100644 --- a/scripts/qapi/gen.py +++ b/scripts/qapi/gen.py @@ -2,7 +2,7 @@ # # QAPI code generation # -# Copyright (c) 2018-2019 Red Hat Inc. +# Copyright (c) 2015-2019 Red Hat Inc. # # Authors: # Markus Armbruster <arm...@redhat.com> @@ -15,16 +15,18 @@ import errno import os import re +from typing import Optional from .common import ( c_fname, + c_name, gen_endif, gen_if, guardend, guardstart, mcgen, ) -from .schema import QAPISchemaVisitor +from .schema import QAPISchemaObjectType, QAPISchemaVisitor class QAPIGen: @@ -90,6 +92,29 @@ def _wrap_ifcond(ifcond, before, after): return out +def build_params(arg_type: Optional[QAPISchemaObjectType], + boxed: bool, + extra: Optional[str] = None) -> str: + ret = '' + sep = '' + if boxed: + assert arg_type + ret += '%s arg' % arg_type.c_param_type() + sep = ', ' + elif arg_type: + assert not arg_type.variants + for memb in arg_type.members: + ret += sep + sep = ', ' + if memb.optional: + ret += 'bool has_%s, ' % c_name(memb.name) + ret += '%s %s' % (memb.type.c_param_type(), + c_name(memb.name)) + if extra: + ret += sep + extra + return ret if ret else 'void' + + class QAPIGenCCode(QAPIGen): def __init__(self, fname): -- 2.26.2