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#!/usr/bin/env python3
from __future__ import print_function
import os
import io
import sys
import re
import datetime
from glob import glob
from scriptCommon import catchPath
def generate(v):
includesParser = re.compile( r'\s*#\s*include\s*"(.*)"' )
guardParser = re.compile( r'\s*#.*(TWOBLUECUBES_)?CATCH_.*_INCLUDED')
defineParser = re.compile( r'\s*#define\s+(TWOBLUECUBES_)?CATCH_.*_INCLUDED')
ifParser = re.compile( r'\s*#ifndef (TWOBLUECUBES_)?CATCH_.*_INCLUDED')
endIfParser = re.compile( r'\s*#endif // (TWOBLUECUBES_)?CATCH_.*_INCLUDED')
ifImplParser = re.compile( r'\s*#ifdef CATCH_CONFIG_RUNNER' )
commentParser1 = re.compile( r'^\s*/\*')
commentParser2 = re.compile( r'^ \*')
blankParser = re.compile( r'^\s*$')
seenHeaders = set([])
possibleHeaders = set([])
rootPath = os.path.join( catchPath, 'include/' )
outputPath = os.path.join( catchPath, 'single_include/catch2/catch.hpp' )
globals = {
'includeImpl' : True,
'ifdefs' : 0,
'implIfDefs' : -1
}
for arg in sys.argv[1:]:
arg = arg.lower()
if arg == "noimpl":
globals['includeImpl'] = False
print( "Not including impl code" )
else:
print( "\n** Unrecognised argument: " + arg + " **\n" )
exit(1)
# ensure that the output directory exists (hopefully no races)
outDir = os.path.dirname(outputPath)
if not os.path.exists(outDir):
os.makedirs(outDir)
out = io.open( outputPath, 'w', newline='\n', encoding='utf-8')
def write( line ):
if globals['includeImpl'] or globals['implIfDefs'] == -1:
out.write( line )
def getDirsToSearch( ):
return [os.path.join( rootPath, s) for s in ['', 'internal', 'reporters', 'internal/benchmark', 'internal/benchmark/detail']]
def collectPossibleHeaders():
dirs = getDirsToSearch()
for dir in dirs:
hpps = glob(os.path.join(dir, '*.hpp'))
hs = glob(os.path.join(dir, '*.h'))
possibleHeaders.update( hpp.rpartition( os.sep )[2] for hpp in hpps )
possibleHeaders.update( h.rpartition( os.sep )[2] for h in hs )
def insertCpps():
dirs = getDirsToSearch()
cppFiles = []
for dir in dirs:
cppFiles += glob(os.path.join(dir, '*.cpp'))
# To minimize random diffs, sort the files before processing them
for fname in sorted(cppFiles):
dir, name = fname.rsplit(os.path.sep, 1)
dir += os.path.sep
parseFile(dir, name)
def parseFile( path, filename ):
f = io.open( os.path.join(path, filename), 'r', encoding='utf-8' )
blanks = 0
write( u"// start {0}\n".format( filename ) )
for line in f:
if '// ~*~* CATCH_CPP_STITCH_PLACE *~*~' in line:
insertCpps()
continue
elif ifParser.match( line ):
globals['ifdefs'] += 1
elif endIfParser.match( line ):
globals['ifdefs'] -= 1
if globals['ifdefs'] == globals['implIfDefs']:
globals['implIfDefs'] = -1
m = includesParser.match( line )
if m:
header = m.group(1)
headerPath, sep, headerFile = header.rpartition( "/" )
if headerFile not in seenHeaders:
if headerFile != "tbc_text_format.h" and headerFile != "clara.h":
seenHeaders.add( headerFile )
if headerPath == "internal" and path.endswith("internal/"):
headerPath = ""
sep = ""
if os.path.exists( path + headerPath + sep + headerFile ):
parseFile( path + headerPath + sep, headerFile )
else:
parseFile( rootPath + headerPath + sep, headerFile )
else:
if ifImplParser.match(line):
globals['implIfDefs'] = globals['ifdefs']
if (not guardParser.match( line ) or defineParser.match( line ) ) and not commentParser1.match( line )and not commentParser2.match( line ):
if blankParser.match( line ):
blanks = blanks + 1
else:
blanks = 0
if blanks < 2 and not defineParser.match(line):
write( line.rstrip() + "\n" )
write( u'// end {}\n'.format(filename) )
def warnUnparsedHeaders():
unparsedHeaders = possibleHeaders.difference( seenHeaders )
# These headers aren't packaged into the unified header, exclude them from any warning
whitelist = ['catch.hpp', 'catch_reporter_teamcity.hpp', 'catch_with_main.hpp', 'catch_reporter_automake.hpp', 'catch_reporter_tap.hpp', 'catch_reporter_sonarqube.hpp']
unparsedHeaders = unparsedHeaders.difference( whitelist )
if unparsedHeaders:
print( "WARNING: unparsed headers detected\n{0}\n".format( unparsedHeaders ) )
write( u"/*\n" )
write( u" * Catch v{0}\n".format( v.getVersionString() ) )
write( u" * Generated: {0}\n".format( datetime.datetime.now() ) )
write( u" * ----------------------------------------------------------\n" )
write( u" * This file has been merged from multiple headers. Please don't edit it directly\n" )
write( u" * Copyright (c) {} Two Blue Cubes Ltd. All rights reserved.\n".format( datetime.date.today().year ) )
write( u" *\n" )
write( u" * Distributed under the Boost Software License, Version 1.0. (See accompanying\n" )
write( u" * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\n" )
write( u" */\n" )
write( u"#ifndef TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED\n" )
write( u"#define TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED\n" )
collectPossibleHeaders()
parseFile( rootPath, 'catch.hpp' )
warnUnparsedHeaders()
write( u"#endif // TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED\n\n" )
out.close()
print( "Generated single include for Catch v{0}\n".format( v.getVersionString() ) )
if __name__ == '__main__':
from releaseCommon import Version
generate(Version())
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