"""
- Copyright (c) 2018-2020 Emil Dotchevski and Reverge Studios, Inc.
- Copyright (c) Sorin Fetche
+ Copyright 2018-2022 Emil Dotchevski and Reverge Studios, Inc.
+ Copyright (c) Sorin Fetche
- 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)
+ 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)
- This program generates a single header file from a file including multiple C/C++ headers.
+ This program generates a single header file from a file including multiple C/C++ headers.
- Usage:
+ Usage:
- python3 generate_single_header.py --help
+ python3 generate_single_header.py --help
- e.g. python3 generate_single_header.py -i include/boost/leaf/detail/all.hpp -p include -o include/boost/leaf.hpp boost/leaf
-
- Note:
-
- If unit tests are build by meson, you can enable the 'leaf_hpp' option (see meson_options.txt),
- in which case each time the tests are built, first boost/leaf.hpp will be rebuilt.
+ e.g. python3 generate_single_header.py -i include/boost/leaf/detail/all.hpp -p include -o test/leaf.hpp boost/leaf
"""
import argparse
import os
import re
+from datetime import date
+import subprocess
-included = []
+included = {}
+total_line_count = 11
def append(input_file_name, input_file, output_file, regex_includes, include_folder):
- line_count = 1
- for line in input_file:
- result = regex_includes.search(line)
- line_count += 1
- if result:
- next_input_file_name = result.group("include")
- if next_input_file_name not in included:
- included.append(next_input_file_name)
- print("%s" % next_input_file_name, flush=True)
- with open(os.path.join(include_folder, next_input_file_name), "r") as next_input_file:
- output_file.write('// >>> %s#line 1 "%s"\n' % (line, next_input_file_name))
- append(next_input_file_name, next_input_file, output_file, regex_includes, include_folder)
- output_file.write('// <<< %s#line %d "%s"\n' % (line, line_count, input_file_name))
- else:
- output_file.write(line)
+ global total_line_count
+ line_count = 1
+ for line in input_file:
+ line_count += 1
+ result = regex_includes.search(line)
+ if result:
+ next_input_file_name = result.group("include")
+ if next_input_file_name in included:
+ output_file.write("// Expanded at line %d: %s" % (included[next_input_file_name], line))
+ total_line_count += 1
+ else:
+ included[next_input_file_name] = total_line_count
+ print("%s (%d)" % (next_input_file_name, total_line_count))
+ with open(os.path.join(include_folder, next_input_file_name), "r") as next_input_file:
+ output_file.write('// >>> %s#line 1 "%s"\n' % (line, next_input_file_name))
+ total_line_count += 2
+ append(next_input_file_name, next_input_file, output_file, regex_includes, include_folder)
+ if not ('include/boost/leaf/detail/all.hpp' in input_file_name):
+ output_file.write('// <<< %s#line %d "%s"\n' % (line, line_count, input_file_name))
+ total_line_count += 2
+ else:
+ output_file.write(line)
+ total_line_count += 1
def _main():
- parser = argparse.ArgumentParser(
- description="Generates a single include file from a file including multiple C/C++ headers")
- parser.add_argument("-i", "--input", action="store", type=str, default="in.cpp",
- help="Input file including the headers to be merged")
- parser.add_argument("-o", "--output", action="store", type=str, default="out.cpp",
- help="Output file. NOTE: It will be overwritten!")
- parser.add_argument("-p", "--path", action="store", type=str, default=".",
- help="Include path")
- parser.add_argument("prefix", action="store", type=str,
- help="Non-empty include file prefix (e.g. a/b)")
- args = parser.parse_args()
+ parser = argparse.ArgumentParser(
+ description="Generates a single include file from a file including multiple C/C++ headers")
+ parser.add_argument("-i", "--input", action="store", type=str, default="in.cpp",
+ help="Input file including the headers to be merged")
+ parser.add_argument("-o", "--output", action="store", type=str, default="out.cpp",
+ help="Output file. NOTE: It will be overwritten!")
+ parser.add_argument("-p", "--path", action="store", type=str, default=".",
+ help="Include path")
+ parser.add_argument("--hash", action="store", type=str,
+ help="The git hash to print in the output file, e.g. the output of \"git rev-parse HEAD\"")
+ parser.add_argument("prefix", action="store", type=str,
+ help="Non-empty include file prefix (e.g. a/b)")
+ args = parser.parse_args()
- regex_includes = re.compile(r"""^\s*#[\t\s]*include[\t\s]*("|\<)(?P<include>%s.*)("|\>)""" % args.prefix)
- print("Rebuilding %s:" % args.input)
- with open(args.output, 'w') as output_file, open(args.input, 'r') as input_file:
- append(args.input, input_file, output_file, regex_includes, args.path)
+ regex_includes = re.compile(r"""^\s*#[\t\s]*include[\t\s]*("|\<)(?P<include>%s.*)("|\>)""" % args.prefix)
+ print("Rebuilding %s:" % args.input)
+ with open(args.output, 'w') as output_file, open(args.input, 'r') as input_file:
+ output_file.write(
+ '#ifndef BOOST_LEAF_HPP_INCLUDED\n'
+ '#define BOOST_LEAF_HPP_INCLUDED\n'
+ '\n'
+ '// LEAF single header distribution. Do not edit.\n'
+ '\n'
+ '// Generated on ' + date.today().strftime("%m/%d/%Y"))
+ if args.hash:
+ output_file.write(
+ ' from https://github.com/boostorg/leaf/tree/' + args.hash[0:7])
+ output_file.write(
+ '.\n'
+ '// Latest version of this file: https://raw.githubusercontent.com/boostorg/leaf/gh-pages/leaf.hpp.\n'
+ '\n')
+ append(args.input, input_file, output_file, regex_includes, args.path)
+ output_file.write(
+ '\n'
+ '#endif\n' )
+# print("%d" % total_line_count)
if __name__ == "__main__":
- _main()
+ _main()
projects / ceph.git / blobdiff