Age | Commit message (Collapse) | Author |
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Whenever qapi-schema.json changes, we run six programs eleven times to
update eleven files. Similar for qga/qapi-schema.json. This is
silly. Replace the six programs by a single program that spits out
all eleven files.
The programs become modules in new Python package qapi, along with the
helper library. This requires moving them to scripts/qapi/. While
moving them, consistently drop executable mode bits.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180211093607.27351-9-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
[eblake: move change to one-line 'blurb' earlier in series, mention mode
bit change as intentional, update qapi-code-gen.txt to match actual
generated events.c file]
Signed-off-by: Eric Blake <eblake@redhat.com>
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These classes encapsulate accumulating and writing output.
Convert C code generation to QAPIGenC and QAPIGenH. The conversion is
rather shallow: most of the output accumulation is not converted.
Left for later.
The indentation machinery uses a single global variable indent_level,
even though we generally interleave creation of a .c and its .h. It
should become instance variable of QAPIGenC. Also left for later.
Documentation generation isn't converted, and QAPIGenDoc isn't used.
This will change shortly.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180211093607.27351-6-armbru@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
[eblake: fix nits spotted by Michael]
Signed-off-by: Eric Blake <eblake@redhat.com>
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Each generator carries a copyright notice for the generator itself,
and another one for the files it generates. Only the former have been
updated along the way, the latter have not, and are all out of date.
Fix by copying the generator's copyright notice to the generated files
instead. Note that the fix doesn't copy the "Authors:" part; the
generated files' outdated Authors list goes away without replacement.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180211093607.27351-4-armbru@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
[eblake: Flatten each 'blurb' to one line]
Signed-off-by: Eric Blake <eblake@redhat.com>
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Every generator has separate boilerplate for .h and .c, and their
differences are boring. All of them repeat the license note.
Reduce the repetition as follows. Move common text like the license
note to common open_output(), next to the existing common text there.
For each generator, replace the two separate descriptions by a single
one.
While there, emit an "automatically generated" note into generated
documentation, too.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20180211093607.27351-3-armbru@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
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Some early python 3.x versions will have different default
ordering when calling the 'values()' method on a dict, compared
to python 2.x and later 3.x versions. Explicitly sort the items
to get a stable ordering.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <20180116134217.8725-8-berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <20180116134217.8725-6-berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <20180116134217.8725-5-berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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The OrderedDict class appeared in the 'collections' module
from python 2.7 onwards, so use that in preference to our
local backport if available.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <20180116134217.8725-4-berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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The iteritems()/itervalues() methods are gone in py3, but the
items()/values() methods are still around. The latter are less
efficient than the former in py2, but this has unmeasurably
small impact on QEMU build time, so taking portability over
efficiency is a net win.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <20180116134217.8725-3-berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Python 3 no longer supports the bare "print" statement, it must be
called as a normal function with round brackets. It is possible to
opt-in to this new syntax with Python 2.6 onwards by importing the
"print_function" from the "__future__" module, making it easy to
support Python 2 and 3 in parallel.
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Message-Id: <20180116134217.8725-2-berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20171002141341.24616-11-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Use a string instead of a list of strings.
This makes qapi2texi.py generate additional blank lines. They're
harmless, and the next commit will get rid of them again.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20171002141341.24616-9-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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We have two representations of sections without a name: the main
section uses name=None, the others name=''. Standardize on name=None.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20171002141341.24616-8-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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QAPISchemaParser.cur_doc is used only by .__init__() and its helper
.reject_expr_doc(). Make it local to __init__() and pass it to
.reject_expr_doc() explicitly.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20171002141341.24616-5-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20171002141341.24616-4-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Commit 1d8bda1 got rid of #optional tags, and added a check to keep
them from getting added back, to make sure patches then in flight
don't add them back. It's been six months, time to drop that check.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20171002141341.24616-3-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Now that all usages have been converted to user lookup helpers.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170822132255.23945-14-marcandre.lureau@redhat.com>
[Rebased, superfluous local variable dropped, missing
check-qom-proplist.c update added]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1503564371-26090-17-git-send-email-armbru@redhat.com>
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Currently, a FOO_lookup is an array of strings terminated by a NULL
sentinel.
A future patch will generate enums with "holes". NULL-termination
will cease to work then.
To prepare for that, store the length in the FOO_lookup by wrapping it
in a struct and adding a member for the length.
The sentinel will be dropped next.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170822132255.23945-13-marcandre.lureau@redhat.com>
[Basically redone]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1503564371-26090-16-git-send-email-armbru@redhat.com>
[Rebased]
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The next commit will put it to use. May look pointless now, but we're
going to change the FOO_lookup's type, and then it'll help.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1503564371-26090-13-git-send-email-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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The conflict check added by commit c0644771 ("qapi: Reject
alternates that can't work with keyval_parse()") doesn't work
with the following declaration:
{ 'alternate': 'Alt',
'data': { 'one': 'bool',
'two': 'str' } }
It crashes with:
Traceback (most recent call last):
File "./scripts/qapi-types.py", line 295, in <module>
schema = QAPISchema(input_file)
File "/home/ehabkost/rh/proj/virt/qemu/scripts/qapi.py", line 1468, in __init__
self.exprs = check_exprs(parser.exprs)
File "/home/ehabkost/rh/proj/virt/qemu/scripts/qapi.py", line 958, in check_exprs
check_alternate(expr, info)
File "/home/ehabkost/rh/proj/virt/qemu/scripts/qapi.py", line 830, in check_alternate
% (name, key, types_seen[qtype]))
KeyError: 'QTYPE_QSTRING'
This happens because the previously-seen conflicting member
('one') can't be found at types_seen[qtype], but at
types_seen['QTYPE_BOOL'].
Fix the bug by moving the error check to the same loop that adds
new items to types_seen, raising an exception if types_seen[qt]
is already set.
Add two additional test cases that can detect the bug.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20170717180926.14924-1-ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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I expect the 'null' type to be useful mostly for members of alternate
types.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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The gen_ prefix is awkward. Generated C should go through cgen()
exactly once (see commit 1f9a7a1). The common way to get this wrong is
passing a foo=gen_foo() keyword argument to mcgen(). I'd like us to
adopt a naming convention where gen_ means "something that's been piped
through cgen(), and thus must not be passed to cgen() or mcgen()".
Requires renaming gen_params(), gen_marshal_proto() and
gen_event_send_proto().
Suggested-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170601124143.10915-1-marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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We would like to use a same QObject type to represent numbers, whether
they are int, uint, or floats. Getters will allow some compatibility
between the various types if the number fits other representations.
Add a few more tests while at it.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20170607163635.17635-7-marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
[parse_stats_intervals() simplified a bit, comment in
test_visitor_in_int_overflow() tidied up, suppress bogus warnings]
Signed-off-by: Markus Armbruster <armbru@redhat.com>
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Alternates are sum types like unions, but use the JSON type on the
wire / QType in QObject instead of an explicit tag. That's why we
require alternate members to have distinct QTypes.
The recently introduced keyval_parse() (commit d454dbe) can only
produce string scalars. The qobject_input_visitor_new_keyval() input
visitor mostly hides the difference, so code using a QObject input
visitor doesn't have to care whether its input was parsed from JSON or
KEY=VALUE,... The difference leaks for alternates, as noted in commit
0ee9ae7: a non-string, non-enum scalar alternate value can't currently
be expressed.
In part, this is just our insufficiently sophisticated implementation.
Consider alternate type 'GuestFileWhence'. It has an integer member
and a 'QGASeek' member. The latter is an enumeration with values
'set', 'cur', 'end'. The meaning of b=set, b=cur, b=end, b=0, b=1 and
so forth is perfectly obvious. However, our current implementation
falls apart at run time for b=0, b=1, and so forth. Fixable, but not
today; add a test case and a TODO comment.
Now consider an alternate type with a string and an integer member.
What's the meaning of a=42? Is it the string "42" or the integer 42?
Whichever meaning you pick makes the other inexpressible. This isn't
just an implementation problem, it's fundamental. Our current
implementation will pick string.
So far, we haven't needed such alternates. To make sure we stop and
think before we add one that cannot sanely work with keyval_parse(),
let's require alternate members to have sufficiently distinct
representation in KEY=VALUE,... syntax:
* A string member clashes with any other scalar member
* An enumeration member clashes with bool members when it has value
'on' or 'off'.
* An enumeration member clashes with numeric members when it has a
value that starts with '-', '+', or a decimal digit. This is a
rather lazy approximation of the actual number syntax accepted by
the visitor.
Note that enumeration values starting with '-' and '+' are rejected
elsewhere already, but better safe than sorry.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1495471335-23707-5-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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Unused since commit aa964b7 "qapi2texi: Convert to QAPISchemaVisitor"
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1490015515-25851-4-git-send-email-armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
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When choking on a token where an expression is expected, we report
'Expected "{", "[" or string'. Close, but no cigar. Fix it to
Expected '"{", "[", string, boolean or "null"'.
Missed in commit e53188a.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-48-git-send-email-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-47-git-send-email-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-46-git-send-email-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-45-git-send-email-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-44-git-send-email-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-43-git-send-email-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-42-git-send-email-armbru@redhat.com>
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Don't invent a new dictionary structure just for enum_types, simply
store the defining expression, like we do for struct_types and
union_types.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-41-git-send-email-armbru@redhat.com>
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Missed in commit e98859a
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-40-git-send-email-armbru@redhat.com>
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Move what's left in check_docs() to check_expr(). Delegate the actual
checking to new QAPIDoc.check_expr().
QAPIDoc.expr is now unused; drop it.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-39-git-send-email-armbru@redhat.com>
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check_definition_doc() checks for member documentation without a
matching member. It laboriously second-guesses what members
QAPISchema._def_exprs() will create. That's a stupid game.
Move the check into QAPISchema.check(), where the members are known.
Delegate the actual checking to new QAPIDoc.check().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-38-git-send-email-armbru@redhat.com>
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Results in a more precise error location, but the real reason is
emptying out check_docs() step by step.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-35-git-send-email-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-34-git-send-email-armbru@redhat.com>
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Move the check whether the doc matches the expression name from
check_definition_doc() to check_exprs(). This changes the error
location from the comment to the expression. Makes sense as the
message talks about the expression: "Definition of '%s' follows
documentation for '%s'". It's also a step towards getting rid of
check_docs().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-33-git-send-email-armbru@redhat.com>
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This fixes the errors uncovered by the previous commit.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-32-git-send-email-armbru@redhat.com>
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The recent merge of docs/qmp-commands.txt and docs/qmp-events.txt into
the schema lost type information. Fix this documentation regression.
Example change (qemu-qmp-ref.txt):
-- Struct: InputKeyEvent
Keyboard input event.
Members:
- 'button'
+ 'button: InputButton'
Which button this event is for.
- 'down'
+ 'down: boolean'
True for key-down and false for key-up events.
Since: 2.0
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-26-git-send-email-armbru@redhat.com>
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PEP 8 advises:
In Python, single-quoted strings and double-quoted strings are the
same. This PEP does not make a recommendation for this. Pick a
rule and stick to it. When a string contains single or double
quote characters, however, use the other one to avoid backslashes
in the string. It improves readability.
The QAPI generators succeed at picking a rule, but fail at sticking to
it. Convert a bunch of double-quoted strings to single-quoted ones.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-20-git-send-email-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-19-git-send-email-armbru@redhat.com>
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We traditionally mark optional members #optional in the doc comment.
Before commit 3313b61, this was entirely manual.
Commit 3313b61 added some automation because its qapi2texi.py relied
on #optional to determine whether a member is optional. This is no
longer the case since the previous commit: the only thing qapi2texi.py
still does with #optional is stripping it out. We still reject bogus
qapi-schema.json and six places for qga/qapi-schema.json.
Thus, you can't actually rely on #optional to see whether something is
optional. Yet we still make people add it manually. That's just
busy-work.
Drop the code to check, fix up and strip out #optional, along with all
instances of #optional. To keep it out, add code to reject it, to be
dropped again once the dust settles.
No change to generated documentation.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-18-git-send-email-armbru@redhat.com>
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qapi2texi.py already conjures up ArgSections for undocumented
enumeration values, in texi_enum. Drop that, and conjure them up for
all kinds of "arguments" (enumeration values, object and alternate
type members) in qapi.py instead.
Take care to keep generated documentation exactly the same for now.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-16-git-send-email-armbru@redhat.com>
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We currently neglect to check all enumeration values, common members
of object types and members of alternate types are documented.
Unsurprisingly, many aren't.
Add the necessary plumbing to find undocumented ones, except for
variant members of object types. Don't enforce anything just yet, but
connect each QAPIDoc.ArgSection to its QAPISchemaMember.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-15-git-send-email-armbru@redhat.com>
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Missed in commit 7264f5c. Harmless, because nothing checks whether an
enumeration type is implicit so far.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-14-git-send-email-armbru@redhat.com>
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We silently fix missing #optional tags for QAPIDoc by appending a line
"#optional" to the section's .content. However, this interferes with
.__repr__ stripping trailing blank lines from .content.
Use new ArgSection instance variable .optional instead, and leave
.content alone.
To permit testing .optional in texi_body(), clean up texi_enum()'s
hack to add empty documentation for undocumented enum values: add an
ArgSection instead of ''.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <1489582656-31133-12-git-send-email-armbru@redhat.com>
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Common Python pitfall: 'assert base_members' fires on [] in addition
to None. Correct to 'assert base_members is not None'.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1489582656-31133-10-git-send-email-armbru@redhat.com>
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qapi.py has a hardcoded white-list of type names that may violate the
rule on use of upper and lower case. Add a new pragma directive
'name-case-whitelist', and use it to replace the hard-coded
white-list.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1489582656-31133-7-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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