xref: /openbmc/qemu/scripts/qapi-gen.py (revision 740b1759)
1#!/usr/bin/env python3
2# QAPI generator
3#
4# This work is licensed under the terms of the GNU GPL, version 2 or later.
5# See the COPYING file in the top-level directory.
6
7
8import argparse
9import re
10import sys
11
12from qapi.commands import gen_commands
13from qapi.events import gen_events
14from qapi.introspect import gen_introspect
15from qapi.schema import QAPIError, QAPISchema
16from qapi.types import gen_types
17from qapi.visit import gen_visit
18
19
20def main(argv):
21    parser = argparse.ArgumentParser(
22        description='Generate code from a QAPI schema')
23    parser.add_argument('-b', '--builtins', action='store_true',
24                        help="generate code for built-in types")
25    parser.add_argument('-o', '--output-dir', action='store', default='',
26                        help="write output to directory OUTPUT_DIR")
27    parser.add_argument('-p', '--prefix', action='store', default='',
28                        help="prefix for symbols")
29    parser.add_argument('-u', '--unmask-non-abi-names', action='store_true',
30                        dest='unmask',
31                        help="expose non-ABI names in introspection")
32    parser.add_argument('schema', action='store')
33    args = parser.parse_args()
34
35    match = re.match(r'([A-Za-z_.-][A-Za-z0-9_.-]*)?', args.prefix)
36    if match.end() != len(args.prefix):
37        print("%s: 'funny character '%s' in argument of --prefix"
38              % (sys.argv[0], args.prefix[match.end()]),
39              file=sys.stderr)
40        sys.exit(1)
41
42    try:
43        schema = QAPISchema(args.schema)
44    except QAPIError as err:
45        print(err, file=sys.stderr)
46        exit(1)
47
48    gen_types(schema, args.output_dir, args.prefix, args.builtins)
49    gen_visit(schema, args.output_dir, args.prefix, args.builtins)
50    gen_commands(schema, args.output_dir, args.prefix)
51    gen_events(schema, args.output_dir, args.prefix)
52    gen_introspect(schema, args.output_dir, args.prefix, args.unmask)
53
54
55if __name__ == '__main__':
56    main(sys.argv)
57