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author | Markus Armbruster <armbru@redhat.com> | 2014-05-07 09:53:50 +0200 |
---|---|---|
committer | Luiz Capitulino <lcapitulino@redhat.com> | 2014-05-15 14:00:46 -0400 |
commit | be3c771796cb5ca4e7de2e04ed3cd2e3b6b76185 (patch) | |
tree | e41b8980d739a8a5a060dfbf033a2bac45d3acdb /scripts/qapi-visit.py | |
parent | 192cca60aec59eda9a36501f03fc9dabf4d66a16 (diff) | |
download | qemu-be3c771796cb5ca4e7de2e04ed3cd2e3b6b76185.zip qemu-be3c771796cb5ca4e7de2e04ed3cd2e3b6b76185.tar.gz qemu-be3c771796cb5ca4e7de2e04ed3cd2e3b6b76185.tar.bz2 |
qapi: Un-inline visit of implicit struct
In preparation of error handling changes. Bonus: generates less
duplicated code.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Diffstat (limited to 'scripts/qapi-visit.py')
-rw-r--r-- | scripts/qapi-visit.py | 48 |
1 files changed, 34 insertions, 14 deletions
diff --git a/scripts/qapi-visit.py b/scripts/qapi-visit.py index 1e368be..1ef753a 100644 --- a/scripts/qapi-visit.py +++ b/scripts/qapi-visit.py @@ -17,6 +17,31 @@ import os import getopt import errno +implicit_structs = [] + +def generate_visit_implicit_struct(type): + global implicit_structs + if type in implicit_structs: + return '' + implicit_structs.append(type) + return mcgen(''' + +static void visit_type_implicit_%(c_type)s(Visitor *m, %(c_type)s **obj, Error **errp) +{ + Error *err = NULL; + + visit_start_implicit_struct(m, (void **)obj, sizeof(%(c_type)s), &err); + if (!err) { + visit_type_%(c_type)s_fields(m, obj, &err); + error_propagate(errp, err); + err = NULL; + visit_end_implicit_struct(m, &err); + } + error_propagate(errp, err); +} +''', + c_type=type_name(type)) + def generate_visit_struct_fields(name, field_prefix, fn_prefix, members, base = None): substructs = [] ret = '' @@ -49,6 +74,9 @@ static void visit_type_%(full_name)s_field_%(c_name)s(Visitor *m, %(name)s **obj } ''') + if base: + ret += generate_visit_implicit_struct(base) + ret += mcgen(''' static void visit_type_%(full_name)s_fields(Visitor *m, %(name)s ** obj, Error **errp) @@ -60,13 +88,7 @@ static void visit_type_%(full_name)s_fields(Visitor *m, %(name)s ** obj, Error * if base: ret += mcgen(''' -visit_start_implicit_struct(m, (void**) &(*obj)->%(c_prefix)s%(c_name)s, sizeof(%(type)s), &err); -if (!err) { - visit_type_%(type)s_fields(m, &(*obj)->%(c_prefix)s%(c_name)s, &err); - error_propagate(errp, err); - err = NULL; - visit_end_implicit_struct(m, &err); -} +visit_type_implicit_%(type)s(m, &(*obj)->%(c_prefix)s%(c_name)s, &err); ''', c_prefix=c_var(field_prefix), type=type_name(base), c_name=c_var('base')) @@ -292,6 +314,10 @@ def generate_visit_union(expr): del base_fields[discriminator] ret += generate_visit_struct_fields(name, "", "", base_fields) + if discriminator: + for key in members: + ret += generate_visit_implicit_struct(members[key]) + ret += mcgen(''' void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error **errp) @@ -330,13 +356,7 @@ void visit_type_%(name)s(Visitor *m, %(name)s ** obj, const char *name, Error ** if not discriminator: fmt = 'visit_type_%(c_type)s(m, &(*obj)->%(c_name)s, "data", &err);' else: - fmt = '''visit_start_implicit_struct(m, (void**) &(*obj)->%(c_name)s, sizeof(%(c_type)s), &err); - if (!err) { - visit_type_%(c_type)s_fields(m, &(*obj)->%(c_name)s, &err); - error_propagate(errp, err); - err = NULL; - visit_end_implicit_struct(m, &err); - }''' + fmt = 'visit_type_implicit_%(c_type)s(m, &(*obj)->%(c_name)s, &err);' enum_full_value = generate_enum_full_value(disc_type, key) ret += mcgen(''' |