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#!/usr/bin/env python
# Copyright 2017 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import fnmatch
import multiprocessing
import os
import subprocess
import sys
'''
If called with arguments, this script will verify that those headers are
self-sufficient and idempotent.
Otherwise, test all checked-in headers except for those in the ignore list.
'''
public_header_args = [
'-Iinclude/core',
'-Iinclude/config',
'-Iinclude/android',
'-Iinclude/codec',
'-Iinclude/effects',
'-Iinclude/gpu',
'-Iinclude/gpu/gl',
'-Iinclude/pathops',
'-Iinclude/ports',
'-Iinclude/private',
'-Iinclude/svg',
'-Iinclude/utils',
'-Iinclude/utils/mac',
'-Iinclude/views',
'-Ithird_party/vulkan',
]
all_header_args = [
'-Iinclude/core',
'-Iinclude/config',
'-Iinclude/android',
'-Iinclude/c',
'-Iinclude/codec',
'-Iinclude/effects',
'-Iinclude/gpu',
'-Iinclude/gpu/gl',
'-Iinclude/pathops',
'-Iinclude/ports',
'-Iinclude/private',
'-Iinclude/svg',
'-Iinclude/utils',
'-Iinclude/utils/mac',
'-Iinclude/views',
'-Isrc/codec',
'-Isrc/core',
'-Isrc/effects',
'-Isrc/effects/gradients',
'-Isrc/fonts',
'-Isrc/gpu',
'-Isrc/image',
'-Isrc/images',
'-Isrc/lazy',
'-Isrc/opts',
'-Isrc/pathops',
'-Isrc/ports',
'-Isrc/sfnt',
'-Isrc/shaders',
'-Isrc/sksl',
'-Isrc/utils',
'-Isrc/utils/win',
'-Isrc/xml',
'-Igm',
'-Itests',
'-Itools',
'-Itools/debugger',
'-Itools/flags',
'-Itools/gpu',
'-Itools/timer',
'-Ithird_party/etc1',
'-Ithird_party/externals/jsoncpp/include',
'-Ithird_party/externals/libjpeg-turbo',
'-Ithird_party/externals/sfntly/cpp/src',
'-Ithird_party/externals/zlib',
'-Ithird_party/gif',
'-Ithird_party/vulkan',
]
ignore = [
'*/lex.*.h',
'*/osmesa_wrapper.h',
'debugger/QT/*',
'example/*',
'experimental/*',
'include/config/*',
'include/core/SkPostConfig.h',
'include/gpu/vk/*',
'include/ports/SkFontMgr_android.h',
'include/ports/SkFontMgr_fontconfig.h',
'include/ports/SkTypeface_win.h',
'include/private/*_impl.h',
'include/utils/mac/SkCGUtils.h',
'include/views/SkOSWindow_*.h',
'src/c/sk_c_from_to.h',
'src/core/*Template.h',
'src/core/SkBitmapProcState_*.h',
'src/core/SkFDot6Constants.h',
'src/core/SkLinearBitmapPipeline.h',
'src/core/SkLinearBitmapPipeline_*.h',
'src/core/SkUnPreMultiplyPriv.h',
'src/gpu/vk/*',
'src/opts/*_SSE2.h',
'src/opts/*_SSSE3.h',
'src/opts/*_neon.h',
'src/opts/*_sse.h',
'src/opts/Sk4px_*.h',
'src/ports/*',
'src/utils/*_win.h',
'src/utils/win/*',
'src/views/*',
'third_party/*',
'tools/fiddle/*',
'tools/viewer/*',
]
# test header for self-sufficiency and idempotency.
# Returns a string containing errors, or None iff there are no errors.
def compile_header(header):
args = ([] if fnmatch.fnmatch(header, 'include/c/*') else
public_header_args if fnmatch.fnmatch(header, 'include/*') else
all_header_args)
cmd = ['c++', '--std=c++11'] + args + [ '-o', '/dev/null', '-c', '-x', 'c++', '-']
proc = subprocess.Popen(cmd, stdin=subprocess.PIPE,
stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
proc.stdin.write('#include "%s"\n#include "%s"\n' % (header, header))
proc.stdin.close()
errors = proc.stdout.read().strip()
if proc.wait() != 0 or len(errors) > 0:
return '\n\033[7m ERROR: %s \033[0m\n%s\n\n' % (header, errors)
return None
# for h in headers:
# compile_header(h)
# ...Except use a multiprocessing pool.
# Exit at first error.
def compile_headers(headers):
class N: good = True
# N.good is a global scoped to this function to make a print_and_exit_if() a closure
pool = multiprocessing.Pool()
def print_and_exit_if(r):
if r is not None:
sys.stdout.write(r)
N.good = False
pool.terminate()
for path in headers:
assert os.path.exists(path)
pool.apply_async(compile_header, args=(path, ), callback=print_and_exit_if)
pool.close()
pool.join()
if N.good:
sys.stdout.write('all good :)\n')
else:
exit(1)
def main(argv):
skia_dir = os.path.join(os.path.dirname(__file__), os.pardir)
if len(argv) > 1:
paths = [os.path.relpath(os.path.abspath(arg), skia_dir) for arg in argv[1:]]
os.chdir(skia_dir)
else:
os.chdir(skia_dir)
paths = [path for path in subprocess.check_output(['git', 'ls-files']).splitlines()
if path.endswith('.h')
and not any(fnmatch.fnmatch(path, pattern) for pattern in ignore)]
compile_headers(paths)
if __name__ == '__main__':
main(sys.argv)
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