This series introduces alias definitions for QAPI object types (structs and unions).
This allows using the same QAPI type and visitor even when the syntax has some variations between different external interfaces such as QMP and the command line. It also provides a new tool for evolving the schema while maintaining backwards compatibility (possibly during a deprecation period). The first user is intended to be a QAPIfied -chardev command line option, for which I'll send a separate series. A git tag is available that contains both this series and the chardev changes that make use of it: https://repo.or.cz/qemu/kevin.git qapi-alias-chardev-v1 Kevin Wolf (6): qapi: Add interfaces for alias support to Visitor qapi: Remember alias definitions in qobject-input-visitor qapi: Simplify full_name_nth() in qobject-input-visitor qapi: Apply aliases in qobject-input-visitor qapi: Add support for aliases tests/qapi-schema: Test cases for aliases docs/devel/qapi-code-gen.txt | 37 +- docs/sphinx/qapidoc.py | 2 +- include/qapi/visitor-impl.h | 12 + include/qapi/visitor.h | 37 ++ qapi/qapi-visit-core.c | 21 ++ qapi/qobject-input-visitor.c | 322 ++++++++++++++++-- scripts/qapi/expr.py | 34 +- scripts/qapi/schema.py | 27 +- scripts/qapi/types.py | 4 +- scripts/qapi/visit.py | 33 +- tests/qapi-schema/test-qapi.py | 7 +- tests/qapi-schema/alias-bad-type.err | 2 + tests/qapi-schema/alias-bad-type.json | 3 + tests/qapi-schema/alias-bad-type.out | 0 tests/qapi-schema/alias-missing-source.err | 2 + tests/qapi-schema/alias-missing-source.json | 3 + tests/qapi-schema/alias-missing-source.out | 0 tests/qapi-schema/alias-name-bad-type.err | 2 + tests/qapi-schema/alias-name-bad-type.json | 3 + tests/qapi-schema/alias-name-bad-type.out | 0 tests/qapi-schema/alias-source-bad-type.err | 2 + tests/qapi-schema/alias-source-bad-type.json | 3 + tests/qapi-schema/alias-source-bad-type.out | 0 .../alias-source-elem-bad-type.err | 2 + .../alias-source-elem-bad-type.json | 3 + .../alias-source-elem-bad-type.out | 0 tests/qapi-schema/alias-source-empty.err | 2 + tests/qapi-schema/alias-source-empty.json | 3 + tests/qapi-schema/alias-source-empty.out | 0 tests/qapi-schema/alias-unknown-key.err | 3 + tests/qapi-schema/alias-unknown-key.json | 3 + tests/qapi-schema/alias-unknown-key.out | 0 tests/qapi-schema/aliases-bad-type.err | 2 + tests/qapi-schema/aliases-bad-type.json | 3 + tests/qapi-schema/aliases-bad-type.out | 0 tests/qapi-schema/double-type.err | 2 +- tests/qapi-schema/meson.build | 8 + tests/qapi-schema/qapi-schema-test.json | 24 ++ tests/qapi-schema/qapi-schema-test.out | 29 ++ tests/qapi-schema/unknown-expr-key.err | 2 +- 40 files changed, 596 insertions(+), 46 deletions(-) create mode 100644 tests/qapi-schema/alias-bad-type.err create mode 100644 tests/qapi-schema/alias-bad-type.json create mode 100644 tests/qapi-schema/alias-bad-type.out create mode 100644 tests/qapi-schema/alias-missing-source.err create mode 100644 tests/qapi-schema/alias-missing-source.json create mode 100644 tests/qapi-schema/alias-missing-source.out create mode 100644 tests/qapi-schema/alias-name-bad-type.err create mode 100644 tests/qapi-schema/alias-name-bad-type.json create mode 100644 tests/qapi-schema/alias-name-bad-type.out create mode 100644 tests/qapi-schema/alias-source-bad-type.err create mode 100644 tests/qapi-schema/alias-source-bad-type.json create mode 100644 tests/qapi-schema/alias-source-bad-type.out create mode 100644 tests/qapi-schema/alias-source-elem-bad-type.err create mode 100644 tests/qapi-schema/alias-source-elem-bad-type.json create mode 100644 tests/qapi-schema/alias-source-elem-bad-type.out create mode 100644 tests/qapi-schema/alias-source-empty.err create mode 100644 tests/qapi-schema/alias-source-empty.json create mode 100644 tests/qapi-schema/alias-source-empty.out create mode 100644 tests/qapi-schema/alias-unknown-key.err create mode 100644 tests/qapi-schema/alias-unknown-key.json create mode 100644 tests/qapi-schema/alias-unknown-key.out create mode 100644 tests/qapi-schema/aliases-bad-type.err create mode 100644 tests/qapi-schema/aliases-bad-type.json create mode 100644 tests/qapi-schema/aliases-bad-type.out -- 2.28.0