qapi/common.py: move build_params into gen.py

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 <jsnow@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Cleber Rosa <crosa@redhat.com>
Message-Id: <20201009161558.107041-18-jsnow@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>

1 files changed, 0 insertions, 23 deletions

diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py
index 669e3829b3..11b86beeab 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'