catch2/scripts/generateSingleHeader.py

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#!/usr/bin/env python
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from __future__ import print_function
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import os
import sys
import re
import datetime
import string
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from scriptCommon import catchPath
from releaseCommon import Version
includesParser = re.compile( r'\s*#\s*include\s*"(.*)"' )
guardParser = re.compile( r'\s*#.*TWOBLUECUBES_CATCH_.*_INCLUDED')
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defineParser = re.compile( r'\s*#define')
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' )
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commentParser1 = re.compile( r'^\s*/\*')
commentParser2 = re.compile( r'^ \*')
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blankParser = re.compile( r'^\s*$')
seenHeaders = set([])
rootPath = os.path.join( catchPath, 'include/' )
outputPath = os.path.join( catchPath, 'single_include/catch.hpp' )
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includeImpl = True
for arg in sys.argv[1:]:
arg = string.lower(arg)
if arg == "noimpl":
includeImpl = False
print( "Not including impl code" )
else:
print( "\n** Unrecognised argument: " + arg + " **\n" )
exit(1)
out = open( outputPath, 'w' )
ifdefs = 0
implIfDefs = -1
def write( line ):
if includeImpl or implIfDefs == -1:
out.write( line )
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def parseFile( path, filename ):
global ifdefs
global implIfDefs
f = open( path + filename, 'r' )
blanks = 0
for line in f:
if ifParser.match( line ):
ifdefs = ifdefs + 1
elif endIfParser.match( line ):
ifdefs = ifdefs - 1
if ifdefs == implIfDefs:
implIfDefs = -1
m = includesParser.match( line )
if m:
header = m.group(1)
headerPath, sep, headerFile = header.rpartition( "/" )
if not headerFile in seenHeaders:
if headerFile != "tbc_text_format.h" and headerFile != "clara.h":
seenHeaders.add( headerFile )
write( "// #included from: {0}\n".format( header ) )
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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):
implIfDefs = 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:
write( line.rstrip() + "\n" )
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v = Version()
out.write( "/*\n" )
out.write( " * Catch v{0}\n".format( v.getVersionString() ) )
out.write( " * Generated: {0}\n".format( datetime.datetime.now() ) )
out.write( " * ----------------------------------------------------------\n" )
out.write( " * This file has been merged from multiple headers. Please don't edit it directly\n" )
out.write( " * Copyright (c) 2012 Two Blue Cubes Ltd. All rights reserved.\n" )
out.write( " *\n" )
out.write( " * Distributed under the Boost Software License, Version 1.0. (See accompanying\n" )
out.write( " * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\n" )
out.write( " */\n" )
out.write( "#ifndef TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED\n" )
out.write( "#define TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED\n" )
parseFile( rootPath, 'catch.hpp' )
out.write( "#endif // TWOBLUECUBES_SINGLE_INCLUDE_CATCH_HPP_INCLUDED\n\n" )
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print ("Generated single include for Catch v{0}\n".format( v.getVersionString() ) )