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1#!/usr/bin/env python
2
3# Copyright 2017 Google Inc.
4#
5# Use of this source code is governed by a BSD-style license that can be
6# found in the LICENSE file.
7
8import fnmatch
9import multiprocessing
10import os
11import subprocess
12import sys
13
14
15public_header_args = [
16    '-Iinclude/core',
17    '-Iinclude/config',
18    '-Iinclude/android',
19    '-Iinclude/codec',
20    '-Iinclude/effects',
21    '-Iinclude/gpu',
22    '-Iinclude/gpu/gl',
23    '-Iinclude/pathops',
24    '-Iinclude/ports',
25    '-Iinclude/private',
26    '-Iinclude/svg',
27    '-Iinclude/utils',
28    '-Iinclude/utils/mac',
29    '-Iinclude/views',
30]
31
32all_header_args = [
33    '-Iinclude/core',
34    '-Iinclude/config',
35    '-Iinclude/android',
36    '-Iinclude/c',
37    '-Iinclude/codec',
38    '-Iinclude/effects',
39    '-Iinclude/gpu',
40    '-Iinclude/gpu/gl',
41    '-Iinclude/pathops',
42    '-Iinclude/ports',
43    '-Iinclude/private',
44    '-Iinclude/svg',
45    '-Iinclude/utils',
46    '-Iinclude/utils/mac',
47    '-Iinclude/views',
48    '-Isrc/codec',
49    '-Isrc/core',
50    '-Isrc/effects',
51    '-Isrc/effects/gradients',
52    '-Isrc/fonts',
53    '-Isrc/gpu',
54    '-Isrc/image',
55    '-Isrc/images',
56    '-Isrc/lazy',
57    '-Isrc/opts',
58    '-Isrc/pathops',
59    '-Isrc/ports',
60    '-Isrc/sfnt',
61    '-Isrc/sksl',
62    '-Isrc/utils',
63    '-Isrc/utils/win',
64    '-Isrc/xml',
65    '-Igm',
66    '-Itests',
67    '-Itools',
68    '-Itools/debugger',
69    '-Itools/flags',
70    '-Itools/gpu',
71    '-Itools/timer',
72    '-Ithird_party/etc1',
73    '-Ithird_party/externals/jsoncpp/include',
74    '-Ithird_party/externals/libjpeg-turbo',
75    '-Ithird_party/externals/sfntly/cpp/src',
76    '-Ithird_party/externals/zlib',
77    '-Ithird_party/gif',
78]
79
80ignore = [
81    '*/lex.*.h',
82    '*/osmesa_wrapper.h',
83    'debugger/QT/*',
84    'example/*',
85    'experimental/*',
86    'include/config/*',
87    'include/core/SkPostConfig.h',
88    'include/gpu/vk/*',
89    'include/ports/SkFontMgr_android.h',
90    'include/ports/SkFontMgr_fontconfig.h',
91    'include/ports/SkTypeface_win.h',
92    'include/private/*_impl.h',
93    'include/utils/mac/SkCGUtils.h',
94    'include/views/SkOSWindow_*.h',
95    'src/c/sk_c_from_to.h',
96    'src/core/*Template.h',
97    'src/core/SkBitmapProcState_*.h',
98    'src/core/SkFDot6Constants.h',
99    'src/core/SkLinearBitmapPipeline.h',
100    'src/core/SkLinearBitmapPipeline_*.h',
101    'src/core/SkUnPreMultiplyPriv.h',
102    'src/gpu/vk/*.h',
103    'src/opts/*_SSE2.h',
104    'src/opts/*_SSSE3.h',
105    'src/opts/*_neon.h',
106    'src/opts/*_sse.h',
107    'src/opts/Sk4px_*.h',
108    'src/ports/*',
109    'src/utils/*_win.h',
110    'src/utils/win/*',
111    'src/views/*',
112    'third_party/*',
113    'tools/fiddle/*',
114    'tools/viewer/*',
115]
116
117# test header for self-sufficiency and idempotency.
118# Returns a string containing errors, or None iff there are no errors.
119def compile_header(header):
120    args = ([]                 if fnmatch.fnmatch(header, 'include/c/*') else
121            public_header_args if fnmatch.fnmatch(header, 'include/*')   else
122            all_header_args)
123    cmd = ['c++', '--std=c++11'] + args + [ '-o', '/dev/null', '-c', '-x', 'c++', '-']
124    proc = subprocess.Popen(cmd, stdin=subprocess.PIPE,
125                            stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
126    proc.stdin.write('#include "%s"\n#include "%s"\n' % (header, header))
127    proc.stdin.close()
128    errors = proc.stdout.read().strip()
129    if proc.wait() != 0 or len(errors) > 0:
130        return '\n\033[7m ERROR: %s \033[0m\n%s\n\n' % (header, errors)
131    return None
132
133def main():
134    class N: good = True
135    # N.good is a global scoped to main() to make a print_and_exit_if() a closure
136    pool = multiprocessing.Pool()
137    def print_and_exit_if(r):
138        if r is not None:
139            sys.stdout.write(r)
140            N.good = False
141            pool.terminate()
142
143    os.chdir(os.path.join(os.path.dirname(__file__), os.pardir))
144    for path in subprocess.check_output(['git', 'ls-files']).splitlines():
145        if path.endswith('.h') and not any(fnmatch.fnmatch(path, pattern) for pattern in ignore):
146            pool.apply_async(compile_header, args=(path, ), callback=print_and_exit_if)
147    pool.close()
148    pool.join()
149    if N.good:
150        sys.stdout.write('all good :)\n')
151    else:
152        exit(1)
153
154if __name__ == '__main__':
155    main()
156
157