generator.py revision 2a99a7e74a7f215066514fe81d2bfa6639d9eddd 
1#!/usr/bin/env python
2# Copyright (c) 2012 The Chromium Authors. All rights reserved.
3# Use of this source code is governed by a BSD-style license that can be
4# found in the LICENSE file.
5
6import os
7import sys
8import traceback
9
10# Note: some of these files are imported to register cmdline options.
11from idl_generator import Generator
12from idl_option import ParseOptions
13from idl_outfile import IDLOutFile
14from idl_parser import ParseFiles
15from idl_c_header import HGen
16from idl_thunk import TGen
17from idl_gen_pnacl import PnaclGen
18
19
20def Main(args):
21  # If no arguments are provided, assume we are trying to rebuild the
22  # C headers with warnings off.
23  try:
24    if not args:
25      args = [
26          '--wnone', '--cgen', '--range=start,end',
27          '--pnacl', '--pnaclshim',
28          '../native_client/src/untrusted/pnacl_irt_shim/pnacl_shim.c',
29          '--tgen',
30      ]
31      current_dir = os.path.abspath(os.getcwd())
32      script_dir = os.path.abspath(os.path.dirname(__file__))
33      if current_dir != script_dir:
34        print '\nIncorrect CWD, default run skipped.'
35        print 'When running with no arguments set CWD to the scripts directory:'
36        print '\t' + script_dir + '\n'
37        print 'This ensures correct default paths and behavior.\n'
38        return 1
39
40    filenames = ParseOptions(args)
41    ast = ParseFiles(filenames)
42    if ast.errors:
43      print 'Found %d errors.  Aborting build.\n' % ast.errors
44      return 1
45    return Generator.Run(ast)
46  except SystemExit, ec:
47    print 'Exiting with %d' % ec.code
48    sys.exit(ec.code)
49
50  except:
51    typeinfo, value, tb = sys.exc_info()
52    traceback.print_exception(typeinfo, value, tb)
53    print 'Called with: ' + ' '.join(sys.argv)
54
55
56if __name__ == '__main__':
57    sys.exit(Main(sys.argv[1:]))
58