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#!/usr/bin/env python
import glob
import os
import re
import sys
# It's fragile to rely on the location of this script to find the top-level
# source directory.
TOP_LEVEL_DIRECTORY = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
WEBKIT_LIBRARIES = os.environ['WEBKIT_LIBRARIES'];
def main():
react_to_vsprops_changes()
react_to_webkit1_interface_changes()
def react_to_vsprops_changes():
vsprops_directory = os.path.join(WEBKIT_LIBRARIES, 'tools', 'vsprops')
newest_vsprops_time = mtime_of_newest_file_matching_glob(os.path.join(vsprops_directory, '*.props'))
obj_directory = os.path.join(os.environ['CONFIGURATIONBUILDDIR'], 'obj32')
# Visual Studio isn't smart enough to figure out it needs to rebuild these file types when
# .vsprops files change (even if we touch wtf/Platform.h below), so we delete them to force them
# to be rebuilt.
for extension in ('dep', 'manifest', 'pch', 'res'):
for filepath in glob.iglob(os.path.join(obj_directory, '*', '*.%s' % extension)):
delete_if_older_than(filepath, newest_vsprops_time)
# Touch wtf/Platform.h so all files will be recompiled. This is necessary
# to pick up changes to preprocessor macros (e.g., ENABLE_*).
wtf_platform_h = os.path.join(TOP_LEVEL_DIRECTORY, 'Source', 'WTF', 'wtf', 'Platform.h')
touch_if_older_than(wtf_platform_h, newest_vsprops_time)
def react_to_webkit1_interface_changes():
interfaces_directory = os.path.join(TOP_LEVEL_DIRECTORY, 'Source', 'WebKit', 'win', 'Interfaces')
newest_idl_time = mtime_of_newest_file_matching_glob(os.path.join(interfaces_directory, '*.idl'))
# WebKit.idl includes all the other IDL files, so needs to be rebuilt if any IDL file changes.
# But Visual Studio isn't smart enough to figure this out, so we touch WebKit.idl to ensure that
# it gets rebuilt.
touch_if_older_than(os.path.join(interfaces_directory, 'WebKit.idl'), newest_idl_time)
def mtime_of_newest_file_matching_glob(glob_pattern):
files = glob.glob(glob_pattern)
assert len(files), "Couldn't find any files matching glob %s" % glob_pattern
return max(map(os.path.getmtime, files))
def delete_if_older_than(path, reference_time):
if os.path.getmtime(path) < reference_time:
print 'Deleting %s' % path
os.remove(path)
def touch_if_older_than(path, reference_time):
if os.path.getmtime(path) < reference_time:
print 'Touching %s' % path
os.utime(path, None)
if __name__ == '__main__':
sys.exit(main())
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