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2020-03-17qapi: Add feature flags to struct membersMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Message-Id: <20200317115459.31821-21-armbru@redhat.com>
2020-03-17qapi: Add feature flags to remaining definitionsMarkus Armbruster
In v4.1.0, we added feature flags just to struct types (commit 6a8c0b5102^..f3ed93d545), to satisfy an immediate need (commit c9d4070991 "file-posix: Add dynamic-auto-read-only QAPI feature"). In v4.2.0, we added them to commands (commit 23394b4c39 "qapi: Add feature flags to commands") to satisfy another immediate need (commit d76744e65e "qapi: Allow introspecting fix for savevm's cooperation with blockdev"). Add them to the remaining definitions: enumeration types, union types, alternate types, and events. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20200317115459.31821-13-armbru@redhat.com>
2020-03-05qapi: Brush off some (py)lintMarkus Armbruster
Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20200304155932.20452-5-armbru@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com>
2019-10-29qapi: Fold normalize_enum() into check_enum()Markus Armbruster
check_features() is always called together with normalize_features(). Fold the latter into the former. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20191024110237.30963-17-armbru@redhat.com>
2019-10-29qapi: Fold normalize_features() into check_features()Markus Armbruster
check_features() is always called together with normalize_features(): the former in check_struct() and check_command(), the latter in their caller check_exprs(). Fold the latter into the former. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20191024110237.30963-16-armbru@redhat.com>
2019-10-29qapi: Fold normalize_if() into check_if()Markus Armbruster
check_if() is always called together with normalize_if(). Fold the latter into the former. Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20191024110237.30963-15-armbru@redhat.com>
2019-10-22qapi: Add feature flags to commandsPeter Krempa
Similarly to features for struct types introduce the feature flags also for commands. This will allow notifying management layers of fixes and compatible changes in the behaviour of a command which may not be detectable any other way. The changes were heavily inspired by commit 6a8c0b51025. Signed-off-by: Peter Krempa <pkrempa@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com> Message-Id: <20191018081454.21369-3-armbru@redhat.com>
2019-10-22qapi: Split up scripts/qapi/common.pyMarkus Armbruster
The QAPI code generator clocks in at some 3100 SLOC in 8 source files. Almost 60% of the code is in qapi/common.py. Split it into more focused modules: * Move QAPISchemaPragma and QAPISourceInfo to qapi/source.py. * Move QAPIError and its sub-classes to qapi/error.py. * Move QAPISchemaParser and QAPIDoc to parser.py. Use the opportunity to put QAPISchemaParser first. * Move check_expr() & friends to qapi/expr.py. Use the opportunity to put the code into a more sensible order. * Move QAPISchema & friends to qapi/schema.py * Move QAPIGen and its sub-classes, ifcontext, QAPISchemaModularCVisitor, and QAPISchemaModularCVisitor to qapi/gen.py * Delete camel_case(), it's unused since commit e98859a9b9 "qapi: Clean up after recent conversions to QAPISchemaVisitor" A number of helper functions remain in qapi/common.py. I considered moving the code generator helpers to qapi/gen.py, but decided not to. Perhaps we should rewrite them as methods of QAPIGen some day. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-Id: <20191018074345.24034-7-armbru@redhat.com> [Add "# -*- coding: utf-8 -*-" lines]