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#! /usr/bin/env python
# MPark.Variant
#
# Copyright Michael Park, 2017
#
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt)
import os.path
import re
import subprocess
import sys
# Prints a single header version of `include/mpark/variant.hpp` to stdout.
processed = []
def process(header):
result = ''
with open(header, 'r') as f:
for line in f:
p = re.compile('^#include "(.+)"')
m = p.match(line)
if m is None:
result += line
else:
g = m.group(1)
include = os.path.normpath(os.path.join(os.path.dirname(header), g))
if include not in processed:
result += process(include)
result += '\n'
processed.append(include)
return result
root = subprocess.check_output(['git', 'rev-parse', '--show-toplevel']).strip()
result = process(os.path.join(root, 'include/mpark/variant.hpp'))
sys.stdout.write(result)
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