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
   7 from __future__ import print_function
   8
   9 import argparse
  10 import re
  11 import sys
  12
  13 from qapi.commands import gen_commands
  14 from qapi.doc import gen_doc
  15 from qapi.events import gen_events
  16 from qapi.introspect import gen_introspect
  17 from qapi.schema import QAPIError, QAPISchema
  18 from qapi.types import gen_types
  19 from qapi.visit import gen_visit
  20
  21
  22 def main(argv):
  23     parser = argparse.ArgumentParser(
  24         description='Generate code from a QAPI schema')
  25     parser.add_argument('-b', '--builtins', action='store_true',
  26                         help="generate code for built-in types")
  27     parser.add_argument('-o', '--output-dir', action='store', default='',
  28                         help="write output to directory OUTPUT_DIR")
  29     parser.add_argument('-p', '--prefix', action='store', default='',
  30                         help="prefix for symbols")
  31     parser.add_argument('-u', '--unmask-non-abi-names', action='store_true',
  32                         dest='unmask',
  33                         help="expose non-ABI names in introspection")
  34     parser.add_argument('schema', action='store')
  35     args = parser.parse_args()
  36
  37     match = re.match(r'([A-Za-z_.-][A-Za-z0-9_.-]*)?', args.prefix)
  38     if match.end() != len(args.prefix):
  39         print("%s: 'funny character '%s' in argument of --prefix"
  40               % (sys.argv[0], args.prefix[match.end()]),
  41               file=sys.stderr)
  42         sys.exit(1)
  43
  44     try:
  45         schema = QAPISchema(args.schema)
  46     except QAPIError as err:
  47         print(err, file=sys.stderr)
  48         exit(1)
  49
  50     gen_types(schema, args.output_dir, args.prefix, args.builtins)
  51     gen_visit(schema, args.output_dir, args.prefix, args.builtins)
  52     gen_commands(schema, args.output_dir, args.prefix)
  53     gen_events(schema, args.output_dir, args.prefix)
  54     gen_introspect(schema, args.output_dir, args.prefix, args.unmask)
  55     gen_doc(schema, args.output_dir, args.prefix)
  56
  57
  58 if __name__ == '__main__':
  59     main(sys.argv)