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55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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from __future__ import print_function
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import os, re, string, sys
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from mozbuild.util import FileAvoidWrite
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def find_in_path(file, searchpath):
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for dir in searchpath.split(os.pathsep):
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f = os.path.join(dir, file)
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if os.path.exists(f):
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return f
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return ''
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def header_path(header, compiler):
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if compiler == 'gcc':
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# we use include_next on gcc
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return header
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elif compiler == 'msvc':
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return find_in_path(header, os.environ.get('INCLUDE', ''))
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else:
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# hope someone notices this ...
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raise NotImplementedError(compiler)
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def is_comment(line):
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return re.match(r'\s*#.*', line)
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def main(outdir, compiler, template_file, header_list_file):
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if not os.path.isdir(outdir):
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os.mkdir(outdir)
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template = open(template_file, 'r').read()
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path_to_new = header_path('new', compiler)
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for header in open(header_list_file, 'r'):
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header = header.rstrip()
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if 0 == len(header) or is_comment(header):
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continue
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path = header_path(header, compiler)
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with FileAvoidWrite(os.path.join(outdir, header)) as f:
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f.write(string.Template(template).substitute(HEADER=header,
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HEADER_PATH=path,
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NEW_HEADER_PATH=path_to_new))
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if __name__ == '__main__':
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if 5 != len(sys.argv):
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print("""Usage:
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python {0} OUT_DIR ('msvc'|'gcc') TEMPLATE_FILE HEADER_LIST_FILE
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""".format(sys.argv[0]), file=sys.stderr)
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sys.exit(1)
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main(*sys.argv[1:])
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