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# Copyright 2017 Peter Dimov.
#
# Distributed under the Boost Software License, Version 1.0.
#
# See accompanying file LICENSE_1_0.txt or copy at
# http://www.boost.org/LICENSE_1_0.txt
import os.path
import re
import sys
included = []
def scan_header( prefix, dir, fn ):
path = os.path.join( prefix, dir, fn )
if path in included:
return
included.append( path )
with open( path, 'r' ) as header:
for line in header:
m = re.match( '[ \t]*#[ \t]*include[ \t]*(["<])([^">]*)[">]', line )
r = False
if m:
h = m.group( 2 )
hfn1 = os.path.join( prefix, h )
hfn2 = os.path.join( prefix, dir, h )
if m.group( 1 ) == '"' and os.path.exists( hfn2 ):
scan_header( prefix, os.path.join( dir, os.path.dirname( hfn2 ) ), os.path.basename( hfn2 ) )
r = True
elif os.path.exists( hfn1 ):
scan_header( prefix, os.path.dirname( h ), os.path.basename( h ) )
r = True
if not r:
sys.stdout.write( line )
scan_header( 'include', 'boost', 'mp11.hpp' )
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