1#!/usr/bin/env python
2#
3# Copyright 2013 The Chromium Authors. All rights reserved.
4# Use of this source code is governed by a BSD-style license that can be
5# found in the LICENSE file.
6
7import fnmatch
8import optparse
9import os
10import sys
11
12from util import build_utils
13from util import md5_check
14
15
16def DoJavac(options):
17  output_dir = options.output_dir
18
19  src_dirs = build_utils.ParseGypList(options.src_dirs)
20  java_files = build_utils.FindInDirectories(src_dirs, '*.java')
21  if options.javac_includes:
22    javac_includes = build_utils.ParseGypList(options.javac_includes)
23    filtered_java_files = []
24    for f in java_files:
25      for include in javac_includes:
26        if fnmatch.fnmatch(f, include):
27          filtered_java_files.append(f)
28          break
29    java_files = filtered_java_files
30
31  # Compiling guava with certain orderings of input files causes a compiler
32  # crash... Sorted order works, so use that.
33  # See https://code.google.com/p/guava-libraries/issues/detail?id=950
34  java_files.sort()
35  classpath = build_utils.ParseGypList(options.classpath)
36
37  jar_inputs = []
38  for path in classpath:
39    if os.path.exists(path + '.TOC'):
40      jar_inputs.append(path + '.TOC')
41    else:
42      jar_inputs.append(path)
43
44  javac_cmd = [
45      'javac',
46      '-g',
47      '-source', '1.5',
48      '-target', '1.5',
49      '-classpath', ':'.join(classpath),
50      '-d', output_dir,
51      '-Xlint:unchecked',
52      '-Xlint:deprecation',
53      ] + java_files
54
55  def Compile():
56    # Delete the classes directory. This ensures that all .class files in the
57    # output are actually from the input .java files. For example, if a .java
58    # file is deleted or an inner class is removed, the classes directory should
59    # not contain the corresponding old .class file after running this action.
60    build_utils.DeleteDirectory(output_dir)
61    build_utils.MakeDirectory(output_dir)
62    suppress_output = not options.chromium_code
63    build_utils.CheckCallDie(javac_cmd, suppress_output=suppress_output)
64
65  record_path = '%s/javac.md5.stamp' % options.output_dir
66  md5_check.CallAndRecordIfStale(
67      Compile,
68      record_path=record_path,
69      input_paths=java_files + jar_inputs,
70      input_strings=javac_cmd)
71
72
73def main(argv):
74  parser = optparse.OptionParser()
75  parser.add_option('--src-dirs', help='Directories containing java files.')
76  parser.add_option('--javac-includes',
77      help='A list of file patterns. If provided, only java files that match' +
78        'one of the patterns will be compiled.')
79  parser.add_option('--classpath', help='Classpath for javac.')
80  parser.add_option('--output-dir', help='Directory for javac output.')
81  parser.add_option('--stamp', help='Path to touch on success.')
82  parser.add_option('--chromium-code', type='int', help='Whether code being '
83                    'compiled should be built with stricter warnings for '
84                    'chromium code.')
85
86  # TODO(newt): remove this once http://crbug.com/177552 is fixed in ninja.
87  parser.add_option('--ignore', help='Ignored.')
88
89  options, _ = parser.parse_args()
90
91  DoJavac(options)
92
93  if options.stamp:
94    build_utils.Touch(options.stamp)
95
96
97if __name__ == '__main__':
98  sys.exit(main(sys.argv))
99
100
101