LXR qemu/scripts/qapi-gen.py

   1#!/usr/bin/env python
   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
   7from __future__ import print_function
   8import argparse
   9import re
  10import sys
  11from qapi.common import QAPIError, QAPISchema
  12from qapi.types import gen_types
  13from qapi.visit import gen_visit
  14from qapi.commands import gen_commands
  15from qapi.events import gen_events
  16from qapi.introspect import gen_introspect
  17from qapi.doc import gen_doc
  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    gen_doc(schema, args.output_dir, args.prefix)
  54
  55
  56if __name__ == '__main__':
  57    main(sys.argv)
  58