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2013-09-09Add c++ keywords to QAPI helper scriptTomoki Sekiyama1-1/+11
Add c++ keywords to avoid errors in compiling with c++ compiler. This also renames class member of PciDeviceInfo to q_class. Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@hds.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
2013-08-20scripts/qapi.py: Avoid syntax not supported by Python 2.4Peter Maydell1-1/+1
The Python "except Foo as x" syntax was only introduced in Python 2.6, but we aim to support Python 2.4 and later. Use the old-style "except Foo, x" syntax instead, thus fixing configure/compile on systems with older Python. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-07-29qapi.py: Permit comments starting anywhere on the lineMarkus Armbruster1-2/+1
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1374939721-7876-10-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29qapi.py: Rename expr_eval to expr in parse_schema()Markus Armbruster1-9/+9
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1374939721-7876-9-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29qapi.py: Fix diagnosing non-objects at a schema's top-levelMarkus Armbruster1-4/+6
Report syntax error instead of crashing. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1374939721-7876-8-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29qapi.py: Fix schema parser to check syntax systematicallyMarkus Armbruster1-10/+30
Fixes at least the following parser bugs: * accepts any token in place of a colon * treats comma as optional * crashes when closing braces or brackets are missing Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1374939721-7876-7-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29qapi.py: Reject invalid characters in schema fileMarkus Armbruster1-0/+2
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1374939721-7876-6-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29qapi.py: Decent syntax error reportingMarkus Armbruster1-2/+27
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1374939721-7876-5-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-29qapi.py: Restructure lexer and parserMarkus Armbruster1-80/+83
The parser has a rather unorthodox structure: Until EOF: Read a section: Generator function get_expr() yields one section after the other, as a string. An unindented, non-empty line that isn't a comment starts a new section. Lexing: Split section into a list of tokens (strings), with help of generator function tokenize(). Parsing: Parse the first expression from the list of tokens, with parse(), throw away any remaining tokens. In parse_schema(): record value of an enum, union or struct key (if any) in the appropriate global table, append expression to the list of expressions. Return list of expressions. Known issues: (1) Indentation is significant, unlike in real JSON. (2) Neither lexer nor parser have any idea of source positions. Error reporting is hard, let's go shopping. (3) The one error we bother to detect, we "report" via raise. (4) The lexer silently ignores invalid characters. (5) If everything in a section gets ignored, the parser crashes. (6) The lexer treats a string containing a structural character exactly like the structural character. (7) Tokens trailing the first expression in a section are silently ignored. (8) The parser accepts any token in place of a colon. (9) The parser treats comma as optional. (10) parse() crashes on unexpected EOF. (11) parse_schema() crashes when a section's expression isn't a JSON object. Replace this piece of original art by a thoroughly unoriginal design. Takes care of (1), (2), (5), (6) and (7), and lays the groundwork for addressing the others. Generated source files remain unchanged. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Message-id: 1374939721-7876-4-git-send-email-armbru@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2013-07-26qapi: Anonymous unionsKevin Wolf1-0/+15
The discriminator for anonymous unions is the data type. This allows to have a union type that allows both of these: { 'file': 'my_existing_block_device_id' } { 'file': { 'filename': '/tmp/mydisk.qcow2', 'read-only': true } } Unions like this are specified in the schema with an empty dict as discriminator. For this example you could take: { 'union': 'BlockRef', 'discriminator': {}, 'data': { 'definition': 'BlockOptions', 'reference': 'str' } } { 'type': 'ExampleObject', 'data: { 'file': 'BlockRef' } } Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-26qapi.py: Maintain a list of union typesKevin Wolf1-0/+13
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com>
2013-07-10qapi.py: Allow top-level type reference for command definitionsKevin Wolf1-0/+19
If 'data' for a command definition isn't a dict, but a string, it is taken as a (struct) type name and the fields of this struct are directly used as parameters. This is useful for transactionable commands that can use the same type definition for both the transaction action and the arguments of the standalone command. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-07-10qapi.py: Avoid code duplicationKevin Wolf1-9/+9
The code that interprets the read JSON expression and appends types to the respective global variables was duplicated. We can avoid that by splitting off the part that reads from the file. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2013-05-23qapi: qapi-types.py, native list supportMichael Roth1-0/+23
Teach type generators about native types so they can generate the appropriate linked list types. Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Amos Kong <akong@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-09-26qapi: add "unix" to the set of reserved wordsPaolo Bonzini1-1/+3
It is #defined to 1. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-09-26qapi: do not protect enum values from namespace pollutionPaolo Bonzini1-4/+4
Enum values are always preceded by the uppercase name of the enum, so they do not conflict with reserved words. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-08-09qapi: avoid reserved keywordsBlue Swirl1-0/+16
Clang compiler complained about use of reserved word 'restrict' in SLIRP and QAPI. Prefix C keywords with "q_", adjust SLIRP accordingly. Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-08-01qapi: qapi.py: allow the "'" character to be escapedLuiz Capitulino1-10/+21
Support escaping the escape character, and make more robust (don't die for '', handle ' without matching '. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-07-23qapi: introduce "size" typeLaszlo Ersek1-0/+2
v1->v2: - fall back to uint64 rather than int Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-07-23qapi: generate C types for fixed-width integersLaszlo Ersek1-0/+4
(Long line folded using parens: <http://www.python.org/dev/peps/pep-0008/#maximum-line-length>.) Signed-off-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-03-26qapi: add c_fun to escape function namesFederico Simoncelli1-1/+4
Signed-off-by: Federico Simoncelli <fsimonce@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-11-30qapi: fix guardname generationMichael Roth1-3/+4
Fix a bug in handling dotted paths, and exclude directory prefixes from generated guardnames to avoid odd/pseudo-random guardnames in generated headers. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2011-10-04qapi: add code generation support for middle modeAnthony Liguori1-1/+3
To get the ball rolling merging QAPI, this patch introduces a "middle mode" to the code generator. In middle mode, the code generator generates marshalling functions that are compatible with the current QMP server. We absolutely need to replace the current QMP server in order to support proper asynchronous commands but using a middle mode provides a middle-ground that lets us start converting commands in tree. Note that all of the commands have been converted already in my glib branch. Middle mode only exists until we finish merging them from my branch into the main tree. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2011-07-21qapi: add qapi.py helper librariesMichael Roth1-0/+203
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com> Signed-off-by: Luiz Capitulino <lcapitulino@gmail.com>
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