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2025-03-11docs/qapi-domain: add :deprecated: directive optionJohn Snow2-0/+51
Although "deprecated" is a feature (and *will* appear in the features list), add a special :deprecated: option to generate an eye-catch that makes this information very hard to miss. The forthcoming Transmogrifier in qapidoc.py will add this option whenever it detects that the features list attached to a definition contains the "deprecated" entry. P.S., I outsourced the CSS ;) Signed-off-by: Harmonie Snow <harmonie@gmail.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-24-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add qapi:object directiveJohn Snow1-0/+7
Adds the .. qapi:object:: directive, object, and :qapi:obj:`name` cross-referencing role. This directive is meant to document both structs and unions. As per usual, QAPI cross-referencing for types in the member field list will be added in a forthcoming commit. Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-23-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add qapi:event directiveJohn Snow1-0/+24
Adds the .. qapi:event:: directive, object, and :qapi:event:`name` cross-referencing role. Adds the :memb type name: field list syntax for documenting event data members. As this syntax and phrasing will be shared with Structs and Unions as well, add the field list definition to a shared abstract class. As per usual, QAPI cross-referencing for types in the member field list will be added in a forthcoming commit. Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-22-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add qapi:alternate directiveJohn Snow1-0/+20
Add the .. qapi:alternate:: directive, object, and qapi:alt:`name` cross-reference role. Add the "Alternatives:" field list for describing alternate choices. Like other field lists that reference QAPI types, a forthcoming commit will add cross-referencing support to this field. Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-21-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add qapi:enum directiveJohn Snow1-0/+26
Add the .. qapi:enum:: directive, object, and :qapi:enum:`name` cross-reference role. Add the :value name: field list for documenting Enum values. Of note, also introduce a new "type" role that is intended to be used by other QAPI object directives to cross-reference arbitrary QAPI type names, but will exclude commands, events, and modules from consideration. Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-20-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add "Return:" field listsJohn Snow1-0/+7
Add "Return:" field list syntax to QAPI Commands. Like "Arguments:" and "Errors:", the type name isn't currently processed for cross-referencing, but this will be addressed in a forthcoming commit. The syntax of the new field is: :return TypeName: description description cont'd This patch adds "Return" as a GroupedField, which means that multiple return values can be annotated - this is only done because Sphinx does not support mandatory type arguments to Ungrouped fields. Because we want to cross-reference this type information later, we want to make the type argument mandatory. As a result, you can technically add multiple :return: fields, though I'm not aware of any circumstance in which you'd need or want to. Recommendation: "Don't do that, then." The forthcoming QAPIDoc transmogrifier does not, in fact, ever "do that". Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-19-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add "Errors:" field listsJohn Snow1-1/+8
``:error: descr`` can now be used to document error conditions. The format of the description is not defined here; so the ability to name specific types is left to the document writer. Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-18-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add "Features:" field listsJohn Snow1-1/+11
Add support for Features field lists. There is no QAPI-specific functionality here, but this could be changed if desired (if we wanted the feature names to link somewhere, for instance.) This feature list doesn't have any restrictions, so it can be used to document object-wide features or per-member features as deemed appropriate. It's essentially free-form text. The syntax for this field is: :feat name: description description cont'd Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-17-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add "Arguments:" field listsJohn Snow1-1/+13
This adds special rendering for Sphinx's typed info field lists. This patch does not add any QAPI-aware markup, rendering, or cross-referencing for the type names, yet. That feature requires a subclass to TypedField which will happen in its own commit quite a bit later in this series; after all the basic fields and objects have been established first. The syntax for this field is: :arg type name: description description cont'd You can omit the type or the description. You should not omit the name; if you do so, it degenerates into a "normal field list" entry, and probably isn't what you want. Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-16-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add :since: directive optionJohn Snow1-1/+13
Add a little special markup for registering "Since:" information. Adding it as an option instead of generic content lets us hoist the information into the Signature bar, optionally put it in the index, etc. Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-15-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add qapi:command directiveJohn Snow1-0/+9
This commit adds a stubbed version of QAPICommand that utilizes the QAPIObject class, the qapi:command directive, the :qapi:cmd: cross-reference role, and the "command" object type in the QAPI object registry. They don't do anything *particularly* interesting yet, but that will come in forthcoming commits. Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-14-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add QAPIObject classJohn Snow1-0/+64
This patch adds another abstract class that describes "a QAPI thingie". The main difference here is that this class will be generating visible documentation, unlike the QAPIDescription class. Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-13-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add qapi:module directiveJohn Snow1-6/+65
This adds the qapi:module directive, which just notes the current module being documented and performs a nested parse of the content block, if present. This code is based pretty heavily on Sphinx's PyModule directive, but with unnecessary features excised. For example: .. qapi:module:: block-core Hello, and welcome to block-core! ================================= lorem ipsum, dolor sit amet ... Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-12-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: Add QAPIDescription abstract classJohn Snow1-2/+99
This class is a generic, top-level directive for documenting some kind of QAPI thingamajig that we expect to go into the Index. This class doesn't do much by itself, and it isn't yet associated with any particular directive. handle_signature(), _object_hierarchy_parts() and _toc_entry_name() are defined in the base class. get_index_text() and add_target_and_index() are new methods defined here; they are based heavily on the layout and format of the Python domain's general object class. Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-11-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add compatibility node classesJohn Snow1-1/+16
Sphinx prior to v4.0 uses different classes for rendering elements of documentation objects; add some compatibility classes to use the right node classes conditionally. Signed-off-by: John Snow <jsnow@redhat.com> Message-ID: <20250311034303.75779-10-jsnow@redhat.com> Acked-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
2025-03-11docs/qapi-domain: add QAPI xref rolesJohn Snow1-1/+87
Add domain-specific cross-reference syntax. As of this commit, that means new :qapi:any:`block-core` referencing syntax. The :any: role will find anything registered to the QAPI domain, including modules, commands, events, etc. Creating the