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qapi: Generalize struct member policy checking

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The generated visitor functions call visit_deprecated_accept() and
visit_deprecated() when visiting a struct member with special feature
flag 'deprecated'.  This makes the feature flag visible to the actual
visitors.  I want to make feature flag 'unstable' visible there as
well, so I can add policy for it.

To let me make it visible, replace these functions by
visit_policy_reject() and visit_policy_skip(), which take the member's
special features as an argument.  Note that the new functions have the
opposite sense, i.e. the return value flips.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20211028102520.747396-6-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
[Unbreak forward visitor]
This commit is contained in:
Markus Armbruster 2021-10-28 12:25:16 +02:00
parent c67db1ed16
commit a130728554
8 changed files with 65 additions and 42 deletions
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4
qapi/trace-events
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@ -17,8 +17,8 @@ visit_start_alternate(void *v, const char *name, void *obj, size_t size) "v=%p n
visit_end_alternate(void *v, void *obj) "v=%p obj=%p"
visit_optional(void *v, const char *name, bool *present) "v=%p name=%s present=%p"
visit_deprecated_accept(void *v, const char *name) "v=%p name=%s"
visit_deprecated(void *v, const char *name) "v=%p name=%s"
visit_policy_reject(void *v, const char *name) "v=%p name=%s"
visit_policy_skip(void *v, const char *name) "v=%p name=%s"
visit_type_enum(void *v, const char *name, int *obj) "v=%p name=%s obj=%p"
visit_type_int(void *v, const char *name, int64_t *obj) "v=%p name=%s obj=%p"